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-   -   2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacement (http://www.saturnfans.com/forums/showthread.php?t=268427)

BrandonKastning 04-08-2021 07:46 PM

2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacement
 
5 Attachment(s)
Hey there everyone!

I have successfully removed the Lower Intake Manifold and Prepped the Removal & Replacement of my Thermostat w/ Thermostat Housing.

[B][U]Tools Needed:[/U][/B]
[LIST][*]Torque Wrench (Ratchet) [*]E12 Torx Socket[*]Ratchet Extenders and Adapters[*]New Thermostat w/ Thermostat Housing[*]Waterproof RTV[*]Gasket Scraper[*]New Lower Intake Manifold Gaskets[*]Gasket Scraper Hooks (This helps to pull the gaskets out easy).[*]Lucas White Lithium Grease[*]Hand Held Portable Vacuum (Optional) -- Helped a lot; picked it up after learning from 2BaldGuys on YouTube regarding the L300 Thermostat video and Front Camshaft Gasket Replacement video.[*]Anti-Seize Lubricant (For Bolts)[*]3M Automotive Masking Tape (For Covering Ports) -- Working well.[*]Automotive Rags (For cleaning up the gasket areas and areas around the area you are working on).[/LIST]
[B][U]Whats left? [/U][/B]
[LIST][*]Clean the lower intake manifold
[*]Replace the lower intake manifold gaskets (Both sides)
[*]Removing the Thermostat for cleaning (which requires the Front Camshaft Guard/Mount to be removed; I started and will be opening a thread on this). This should allow me to release the Thermostat from the Front and also give me access to to remove the Front Camshaft Cover and replace the gasket in that one also before sealing it up nicely.[/LIST]
Attached Pictures is Gallery A:

Best Regards,

~ Brandon Kastning :us: :yes:
~ TruthSword
WE THE PEOPLE ONLINE
[URL="http://wethepeopleonline.com"]http://wethepeopleonline.com[/URL]
U.S. Const. Art. VI, Clause 2, 3 (September 17, 1787).

BrandonKastning 04-08-2021 07:47 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
5 Attachment(s)
Gallery Part-B:

BrandonKastning 04-08-2021 07:48 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
5 Attachment(s)
Gallery Part-C:

BrandonKastning 04-08-2021 07:50 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
5 Attachment(s)
Gallery Part-D:

BrandonKastning 04-08-2021 07:51 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
2 Attachment(s)
Gallery Part-E:

BrandonKastning 04-09-2021 09:40 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
5 Attachment(s)
Today after removing the Front Camshaft Cover Guard/Mount; I decided to try and remove the Thermostat all the way (it is connected to a long shaft that connects to a coolant hose in the front). It's not easy to move back and forth; however when I applied pressure pulling on the hose towards me, while at the same time using a Gasket Scraper / Dominator Pry Bar to press up on Thermostat + Housing unit.

What I realized is when I spun the thermostat housing (rotational) while pulling on the hose that connects to the long shaft; it appeared to as if it was making it more possible to release the Thermostat + Housing from bondage).

Does anyone know what step is required to fulling release the Thermostat Housing (relieving pressure from the long shaft that connect -- somehow pulling the shaft since there is very little room to move the Thermostat forward). Extremely tight fit here.

If anyone has any suggestions; I would appreciate it! Thank you everyone!

Gallery 1/2 for today:


Best Regards,

~ Brandon Kastning :us: ;)
~ TruthSword

BrandonKastning 04-09-2021 09:43 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
3 Attachment(s)
Gallery 2/2 for today:

fdryer 04-09-2021 11:09 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
1 Attachment(s)
The t-stat elbow housing ends at the large end. The extension tube fits into the large end with two O-rings - a slip fit with O-rings providing a seal against coolant pressure. Bare aluminum corrodes from normal exposure and may bond the two tubes from corrosion. Spraying penetrating fluid and twisting the extension tube should break the bonds and loosen the the tubes for removal. Check your service manual for this.

I didn't use pb blaster when loosening the extension tube from t-stat housing. Beware, the extension tube is bolted to a bracket on the engine closest to the radiator. Forcing the extension tube without removing the bolt may result in breaking off the ear where the bolt fastens it to the bracket. The bolt must be removed to free the extension tube for removal from the t-stat housing. Replace the two O-rings and use soapy water to fit the extension tube back into the t-stat housing. Secure the extension tube with the single bolt.

Rj 2000 LS2 04-09-2021 11:17 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
[url]https://www.youtube.com/watch?v=oaHGIioi02A[/url]

[url]https://www.youtube.com/watch?v=1JGNmbNgyCc[/url]

BrandonKastning 04-10-2021 02:29 AM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
fdryer,

Thank you for the break down on that. I have the two O-rings from the L81 gasket kit i'm sure. Oh, in fact; I do for certain. I remember putting them on that piece of paper and matching them.

I will try and locate the extension tube bolt which I was unaware of. I appreciate bringing this to my attention.

Also, good pic. Did you have to remove the coolant hose to pull the extension tube far enough to release the thermostat housing from the two O-rings + extension tube?

Thanks again!

Best Regards,

Brandon Kastning :us: :arr:

[QUOTE=fdryer;2359290]The t-stat elbow housing ends at the large end. The extension tube fits into the large end with two O-rings - a slip fit with O-rings providing a seal against coolant pressure. Bare aluminum corrodes from normal exposure and may bond the two tubes from corrosion. Spraying penetrating fluid and twisting the extension tube should break the bonds and loosen the the tubes for removal. Check your service manual for this.

I didn't use pb blaster when loosening the extension tube from t-stat housing. Beware, the extension tube is bolted to a bracket on the engine closest to the radiator. Forcing the extension tube without removing the bolt may result in breaking off the ear where the bolt fastens it to the bracket. The bolt must be removed to free the extension tube for removal from the t-stat housing. Replace the two O-rings and use soapy water to fit the extension tube back into the t-stat housing. Secure the extension tube with the single bolt.[/QUOTE]

Rj 2000 LS2 04-10-2021 09:18 AM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
Brandon, Answers to your questions are in the two videos above!

Disclaimer for anyone reading this thread:
[url]https://www.permatex.com/products/ga.../?locale=en_us[/url]

DIRECTIONS:
1) For best results, clean and dry all surfaces with a residue-free solvent such as Permatex® Brake & Parts Cleaner.

2) Cut nozzle to desired bead size. Gaskets are best formed using a 1/16” to 1/4” bead.

3) Apply a continuous, even bead of silicone to one surface, surrounding all bolt holes. Assemble parts immediately while silicone is still wet.

4) Finger tighten until material begins to squeeze out around flange.

5) Allow to dry for one hour then retighten 1/4 to 1/2 turn.

6) Silicone will skin over in one hour and fully cure in 24 hours under normal conditions. Allow more time for cold or very dry conditions.

7) Clean uncured silicone from hands, tools and clothing with Fast Orange® Hand Cleaner.

NOTE: Not recommended for use on head gaskets or parts in contact with gasoline.

These directions are straight from the Permatex! Brandon, you have invented a new mythology to use RTV. I hope you know your engine will be puking oil much worse than before! Good job!

fdryer 04-10-2021 03:15 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
[QUOTE=BrandonKastning;2359304].... Did you have to remove the coolant hose to pull the extension tube far enough to release the thermostat housing from the two O-rings + extension tube?....[/QUOTE]
T-stat replacement was awhile ago. I don't recall exact procedures but logic tells me I would have drained coolant then removed that tight bended upper radiator hose from the extension tube before removing the bolt securing the front of the tube. The chances of breaking the mounting ear off occurs if the tube bolt is overlooked and attempting to remove the tube with bolt still secured in place. The relatively thin aluminum extension tube with a small mounting ear is delicate and easily snapped when removing the t-stat housing with tube still connected (leverage arm physics). Once the upper engine parts were removed so I could see the t-stat housing, reviewing service manual procedures repeatedly, I think I made sure access to the extension tube was clear before removing the bolt to allow both removed in one piece or twisting and loosening the extension tube or t-stat housing to disconnect them from each other. I can't remember if the two pieces came out as one assembly before separating them.

BrandonKastning 04-10-2021 03:34 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
fdryer,

Okay, no worries. I now know what you are saying when referring to the "ear" that holds the bolt. Mine is slightly cracked; probably my fault sometime throughout this process. However it still will hold a bolt from the looks of things. So I am good in those regards.

Thank you for a good detailed answer!



[QUOTE=fdryer;2359319]T-stat replacement was awhile ago. I don't recall exact procedures but logic tells me I would have drained coolant then removed that tight bended upper radiator hose from the extension tube before removing the bolt securing the front of the tube. The chances of breaking the mounting ear off occurs if the tube bolt is overlooked and attempting to remove the tube with bolt still secured in place. The relatively thin aluminum extension tube with a small mounting ear is delicate and easily snapped when removing the t-stat housing with tube still connected (leverage arm physics). Once the upper engine parts were removed so I could see the t-stat housing, reviewing service manual procedures repeatedly, I think I made sure access to the extension tube was clear before removing the bolt to allow both removed in one piece or twisting and loosening the extension tube or t-stat housing to disconnect them from each other. I can't remember if the two pieces came out as one assembly before separating them.[/QUOTE]

BrandonKastning 04-10-2021 03:45 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
5 Attachment(s)
Hey Everyone!

Today's progress so far.

I have successfully separated the thermostat + housing from the extension tube with the two O-Rings affixed to them.

I didn't need to use PB Blaster as an emergency option as mentioned by fdryer. (That's a plus!).

The recipe for me to separate the thermostat + housing from the extension tube was to use a Dominator Gasket Scraper + Dominator Pry Bar.

The Dominator Gasket Scraper (I wedged in between the "ear" fdryer mentions; well, more toward the left of it. However they seem built together.).

The Dominator Pry Bar (I used this to pry on the left of the left bolt hole and the right side.Swiveling left and right and alternating. I eventually felt a pop and it was released).

Note: I had to remove one of the E12 Bolts on the lower intake to free it to even get me this far.

How does one go about getting the thermostat + housing out of the "bay" (or the thermostat + housing's home). :)

There doesn't seem to be enough room to release it. Do I have to remove all the E12 bolts on the lower intake and remove that or is there a special positioning that will allow a release for cleaning and so I can reach the two extension tube O-Rings and then replace the new Thermostat?


Picture Gallery A:

Best Regards,

~ Brandon Kastning :us: :arr:

BrandonKastning 04-10-2021 03:46 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
5 Attachment(s)
Gallery Part-B:

BrandonKastning 04-10-2021 03:47 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
5 Attachment(s)
Gallery Part-C:

BrandonKastning 04-10-2021 03:49 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
5 Attachment(s)
Gallery Part-D:

BrandonKastning 04-10-2021 03:50 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
4 Attachment(s)
Gallery Part-E:

BrandonKastning 04-11-2021 03:43 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
An update: A neighbor man said something to me while I was doing something else on my car. Asked if I needed a hand; I said no; he insisted, when I said yes, I grabbed the thermostat and it came right out. We spent the morning chatting ever since.

I will do a cleaning next and replace the O-Rings on the extension tube. My concern is the placing the thermostat back in (since I had difficulties pulling it out) and wasn't "looking" or taking pictures of the thermostat when it came out; so I don't know the angle(s).

fdryer 04-11-2021 04:54 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
Ask your neighbor. A helping hand works in mysterious ways when stuck with one point of view. There will always be someone smarter. The best part is the smarter person helps without imparting negative feelings.

BrandonKastning 04-11-2021 09:45 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
[QUOTE=fdryer;2359381]Ask your neighbor. A helping hand works in mysterious ways when stuck with one point of view. There will always be someone smarter. The best part is the smarter person helps without imparting negative feelings.[/QUOTE]

fdryer,

Thanks. I would rather not receive a helping hand.

Good advice for someone who is not me!

BrandonKastning 04-11-2021 10:01 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
5 Attachment(s)
Alright;

Since I pulled the Thermostat out and installed my new one with success until the very end when my gasket fell out *again*; only this time it happened after RTV was applied and I successfully attached the thermostat housing to the extension tube with the "pop" of the dual O-Rings.

I learned various maneuvers that I hope helps someone in the future.

1) By pressing down on the big hose to the left of the Dip Stick; this will raise the Thermostat Extension Tube (when the thermostat is not installed).

This was useful for when I was replacing the O-Rings on it (Not as easy as it looks and truly requires a gasket pick tool). I used White Lithium Grease; worked great.

2) Using a pry bar or a gasket scraper on the metal piece with the ear that fdryer cautioned me to be careful with; does indeed break. I did it! However; when using the pry bar or gasket scraper (I will be trying again keeping my gasket scraper furthest left). When pulling this metal piece outwards, causes the extension tube to move toward you... which is absolutely critical in "breaking the dual O-Rings" from the Thermostat Housing and for fitting the Thermostat replacement in.

3) When replacing the old thermostat + housing... the easiest way I figured out how to do this. Is push down on the big front hose; this flips it up (extension tube); freshly lubed and greased up with new O-Rings... then at the same time; rotate the thermostat + housing sideways so the thermostat is facing the drivers side of the car. Once you get the extension tube in the hole; THEN rotate the thermostat + housing face down and then you will have to use a gasket scraper or another method to pull the metal piece; which pulls the extension tube so you can fit the thermostat + housing in the very very very tight place it belongs.

Learning these 3 tips; should grant me a success my next attempt at a successful install and a solved thread.

I bought more Permatex Waterproof Grey for another attempt.

oh... This brings me to #4) If you look at my Thermostat that I removed... it doesn't look the same (the gasket) as my new one. I now know why; I believe without proving it that a rubber gasket O-Ring; just like the one that fell out before I could bolt the E10 Torx Bolts down on a successful replacement as seen in the following picture Galleries was placed inside and then RTV was put on top to create a seal so it does not fall out *twice* in my case; first time; and then the second time, regardless of lithium grease; fell out right before I could put my bolts in.

:eek:

Start again another day!

Below is Gallery A:

Best Regards,

Brandon Kastning :us::D

BrandonKastning 04-11-2021 10:02 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
5 Attachment(s)
Gallery Part-B:

BrandonKastning 04-11-2021 10:03 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
5 Attachment(s)
Gallery Part-C:

BrandonKastning 04-11-2021 10:07 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
5 Attachment(s)
Gallery Part-D:

BrandonKastning 04-11-2021 10:08 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
5 Attachment(s)
Gallery Part-E:

BrandonKastning 04-11-2021 10:09 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
5 Attachment(s)
Gallery Part-F:

BrandonKastning 04-11-2021 10:11 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
5 Attachment(s)
Gallery Part-G:

BrandonKastning 04-11-2021 10:13 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
5 Attachment(s)
Gallery Part-H:

BrandonKastning 04-11-2021 10:15 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
5 Attachment(s)
Gallery Part-I:

BrandonKastning 04-12-2021 11:19 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
5 Attachment(s)
It appears as if I am not destined to keep this car.

For some reason the bolt hole on the right side won't allow either bolts to proceed past a certain point.

I removed the anti seize and used a paper clip to try and clean the hole out (wasn't anything in there but a little bit of dirt).

I brought them down at the same time (both bolts); pressed forward on the thermostat while ratcheting the right bolt down and it gets very tight at a certain point with much room to go before a torque down. (I refuse to break another bolt head like my engine mount).

I have a strong feeling that it's impossible to safely run this engine without both bolts all the way in. And I have zero idea besides having my holes re-drilled to remedy this situation. My guess is I used too much anti seize OR ruined it somehow bringing the bolt out on the initial removal of the already installed thermostat.

Here is Picture Gallery A:

BrandonKastning 04-12-2021 11:20 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
5 Attachment(s)
Gallery B:

BrandonKastning 04-12-2021 11:21 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
5 Attachment(s)
Gallery C:

BrandonKastning 04-12-2021 11:23 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
4 Attachment(s)
Gallery D:

Rj 2000 LS2 04-12-2021 11:29 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
You could have coolant in the holes which is preventing the bolts to seat properly. Or, perhaps you mistakenly are using the wrong bolts. Either way, don't force them. Use a vacuum to suck up anything in the holes. Bolts should be finger tight (providing there is no rust etc...) and only require torque when the bolt head contacts the surface of that being secured. Don't try to drill them out. You don't want to drill on a hole into the engine or any part for that matter. Just take your time and check all possibilities first. Sometimes, sleeping on it and looking at it fresh tomorrow will help.

fdryer 04-12-2021 11:37 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
The bolts are too long. Somewhere somehow, either you're using a new thinner mounting ear t-stat housing or used bolts for something else. The t-stat housing mounting holes appear to match the threaded holes on the engine.

Those two bolts simply bottomed into the threaded holes leaving a large space between the bolt head and t-stat housing (seated on the engine block). Find two shorter bolts. It's not recommended to use anti seize on these bolts because anti seize is used in areas requiring high torque where corrosion may occur between dissimilar metals. Blue loctite is recommended. The bolts must be shorter than the sum of t-stat mounting ear thickness and the depth of the threaded holes. Subtracting two or more millimeters from this should match the nearest bolt length available. The shorter bolt will allow correct tightening torque without hitting the bottom of the threaded holes.

BrandonKastning 04-13-2021 08:15 AM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
fdryer,

I don't know how that is possible. However the thermostat's do look different. Minor differences.

I did check and swap the bolts (left to right) and I received the same results. (The left one goes down all the way) and the right one does not.

Where would I go about getting new bolts to try?



[QUOTE=fdryer;2359484]The bolts are too long. Somewhere somehow, either you're using a new thinner mounting ear t-stat housing or used bolts for something else. The t-stat housing mounting holes appear to match the threaded holes on the engine.

Those two bolts simply bottomed into the threaded holes leaving a large space between the bolt head and t-stat housing (seated on the engine block). Find two shorter bolts. It's not recommended to use anti seize on these bolts because anti seize is used in areas requiring high torque where corrosion may occur between dissimilar metals. Blue loctite is recommended. The bolts must be shorter than the sum of t-stat mounting ear thickness and the depth of the threaded holes. Subtracting two or more millimeters from this should match the nearest bolt length available. The shorter bolt will allow correct tightening torque without hitting the bottom of the threaded holes.[/QUOTE]

BrandonKastning 04-13-2021 08:36 AM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
fdryer,

After reviewing what you said; I carefully compared the thermostats. And you are indeed correct; they are very different as far as the housing and thermostat design regardless of the "compatibility checker" for my car on Amazon.

I found the exact original one on ebay. I am purchasing this now. I don't know where to get bolts though; hopefully the ones that match identical will work with my existing bolts.

Thanks fdryer!

Best Regards,

~ Brandon

[QUOTE=fdryer;2359484]The bolts are too long. Somewhere somehow, either you're using a new thinner mounting ear t-stat housing or used bolts for something else. The t-stat housing mounting holes appear to match the threaded holes on the engine.

Those two bolts simply bottomed into the threaded holes leaving a large space between the bolt head and t-stat housing (seated on the engine block). Find two shorter bolts. It's not recommended to use anti seize on these bolts because anti seize is used in areas requiring high torque where corrosion may occur between dissimilar metals. Blue loctite is recommended. The bolts must be shorter than the sum of t-stat mounting ear thickness and the depth of the threaded holes. Subtracting two or more millimeters from this should match the nearest bolt length available. The shorter bolt will allow correct tightening torque without hitting the bottom of the threaded holes.[/QUOTE]

lrbraner 04-13-2021 08:45 AM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
Any decent hardware will have a selection of metric bolts.

BrandonKastning 04-13-2021 08:52 AM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
[QUOTE=lrbraner;2359497]Any decent hardware will have a selection of metric bolts.[/QUOTE]

lrbraner,

Thank you! I just found the correct bolts and the correct thermostat that matches perfectly to the one I pulled by picture comparison.

I found the correct bolt here on ebay:

[url]https://www.ebay.com/itm/1-GENUINE-GM-24455322-BOLT-Thermostat-Outlet-Housing-M8-X-30-Stainless/264676470869[/url]

($13 / bolt) - and it's showing a torx head as opposed to a strange 13mm that I used to pull and put those in.

I ended up getting 2 x bolts GM Part # 24455322 from [URL="https://www.gmpartsgiant.com"]https://www.gmpartsgiant.com
[/URL]

and ordering

"Genuine GM Thermostat Housing 55353492 New"

which is the exact same one I pulled.

Hope this does the trick! Thanks for noticing the bolts RJ/fdryer. I was puzzled when they weren't torx. I just don't remember pulling the old ones and them not being torx heads.

Automotive is sure expensive! wow!

Best Regards,

~ Brandon

BrandonKastning 04-16-2021 04:44 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
5 Attachment(s)
Hey everyone!

I believe today is the day that I succeeded on the thermostat.

If anyone believes otherwise by looking at the pictures; please let me know. I couldn't get the extension hose tube to move forward anymore with it bolted down and torqued to 12 ft. lbs.

In the beginning galleries you can see the comparison between the 3 thermostats. The original; the "knock off" that will NOT work with a 2001 Saturn L300 3.0L V6. Amazon "matched it" with my vehicle make, model and year (apparently it doesn't always work).

The bolts are identical in length; (the original GM ones I ordered and the old strange 13mm bolts I pulled from the 1st thermostat).

I used both GM replacement E12 bolts and torqued them to 12 ft. lbs after ratcheting them down equally before switching to a torque wrench.

The whole process I banged up the ear fdryer mentioned and cautioned (re-iterated); it is fragile if you are prying down on it with a pry bar.

Some tricks are, again the hose maneuvers (pushing down - will bring the extension tube upwards so that you can slide the thermostat in).

The difference between the original GM thermostat and the "knock off" amazon one... are two differences that make it incompatible with my car.

1) The height of the [right side] bolt foundation.

2) Not as "skinny" ; in the previous galleries of me installing the "knock off" thermostat; I was able to use a Pry Bar for the hose in front -- popping up the extension tube to slide in the replacement. (This does not work on the GM original replacement) ; you MUST place the thermostat face down first; then press forward on the water tube and the metal bar "the ear" as fdryer called it.

Even once it's in; keep pressing as much as possible to ensure a snug fit. *I can't get mine anymore*. I pushed the dip stick backwards and toward the drivers side of the car and "the ear" is all the way forward now.

Looks solid!



Here are the following galleries.

Gallery A:

Best Regards,

~ Brandon Kastning :us: ;)

BrandonKastning 04-16-2021 04:45 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
5 Attachment(s)
Gallery B:

BrandonKastning 04-16-2021 04:46 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
5 Attachment(s)
Gallery C:

BrandonKastning 04-16-2021 04:47 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
5 Attachment(s)
Gallery D:

BrandonKastning 04-16-2021 04:48 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
5 Attachment(s)
Gallery E:

BrandonKastning 04-16-2021 04:49 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
5 Attachment(s)
Gallery F:

BrandonKastning 04-16-2021 04:50 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
5 Attachment(s)
Gallery G:

BrandonKastning 04-16-2021 04:51 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
5 Attachment(s)
Gallery H:

BrandonKastning 04-16-2021 04:52 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
5 Attachment(s)
Gallery I:

BrandonKastning 04-16-2021 04:54 PM

Re: 2001 Saturn L300 (L81/3.0L V6) - Lower Intake Manifold Gasket/Thermostat Replacem
 
5 Attachment(s)
Gallery J:


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