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Old 07-20-2010, 06:20 PM   #1
sbr65nj
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Default Engine mount bolts snapped much oil!!

Well same story that I have read in other posts. My 2000 SL2 has the two bolts that attach to the engine snapped clean off. There is alot of oil in that part of the engine as well. I noticed that some recommend a left handed cobalt drill set i just ordered a set and lets see if that assists the removal. I am ordering a new OEM mount (top and mounts by the front strut ) and studs. Lets see what happens..

The oil is pooled near the top of the engine. Where would be my first place to check where the oil is coming from? It sort of looks like the valve cover cover gasket area, but it is hard to tell.. Any advice? please help!!

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Old 07-20-2010, 06:48 PM   #2
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Default Re: Engine mount bolts snapped much oil!!

Here are some pics of the affected area. If you will notice bolts (studs) are snapped clean off!!!
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File Type: jpg IMG00071-20100720-1840.jpg (164.1 KB, 102 views)
File Type: jpg IMG00072-20100720-1841.jpg (124.4 KB, 98 views)
File Type: jpg IMG00073-20100720-1841.jpg (103.8 KB, 97 views)

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Old 07-20-2010, 07:38 PM   #3
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Default Re: Engine mount bolts snapped much oil!!

I only see one bolt (stud) missing from the top center of the motor mount.

There is a lot going on there. The three studs are attached to the top of the timing chain cover. That is also right where your cam cover seals to the head. Several opportunites for oil to get out.

I would suspect the other three motor mount could be work out to put that much strain on those studs.

What happened?

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Old 07-20-2010, 08:02 PM   #4
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Default Re: Engine mount bolts snapped much oil!!

all three bolts have snapped. The center one is missing altogether...

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Old 07-20-2010, 09:23 PM   #5
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Default Re: Engine mount bolts snapped much oil!!

Were you drag racing?

In any case, I bet your 'dog bones' are probably shot. You may have cracked the timing chain cover. I would check it all very closely before you bolt it back together.

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Old 07-20-2010, 09:32 PM   #6
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Default Re: Engine mount bolts snapped much oil!!

When placing the cam cover gasket on, you're supposed to put a dab of RTV on both sides where the timing cover meets the block. I'm guessing the last person who worked on it did not do that.

edit: I take that back. You have a hole in your cam cover, right to the left of the bolt that is holding it on behind the top mount. You can see it clearly in the last picture - circled in the attachment. Need to hit the junkyard for a new cover

place a block of wood under the oil pan and jack it up just enough to take the weight off the mount. Remove the two bolts that hold the mount to the fender and pull the mount off.

You might be lucky and have enough of the stud sticking out to remove them with pliers. The studs are only supposed to be in there at 10-12 ft/lbs of torque
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File Type: jpg untitled.JPG (37.8 KB, 82 views)

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Last edited by alordofchaos; 07-20-2010 at 09:46 PM..

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Old 07-20-2010, 09:39 PM   #7
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Default Re: Engine mount bolts snapped much oil!!

You were absolutely right!!! Nice big crack over there. I guess tomorrow I get on the phone with some junk yards and see what I can find. Crack is there clear as day!!! Boy I feel stupid...

Last edited by sbr65nj; 07-20-2010 at 09:48 PM..

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Old 07-20-2010, 09:42 PM   #8
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Default Re: Engine mount bolts snapped much oil!!

Heh, you replied while I was editing my post.

You have a hole in your cam cover - take a look at the attachment I added in the post above - it's circled in red

Probably from the top mount hitting the cover

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Old 07-20-2010, 11:26 PM   #9
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Default Re: Engine mount bolts snapped much oil!!

found some valve covers on Ebay. Hopefully the better reputed sellers will supply me with a non-bent or warped specimen. Will let you all know how it turns out...

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Old 07-21-2010, 08:10 AM   #10
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Default Re: Engine mount bolts snapped much oil!!

There are several thraeds on snapped chain cover mount studs. In my case, the problem was using an low cost after market mount (the unsatisfactory frown design) that failed taking two studs with it, and bending the third.

Can't tell yo mount type, but I woudl suspect it is a frown design, and shoul be repaled when you put in the new studs. Also, check your other moutns.

Using a dremmel tool sanding disc, I cut a slot in the top of the snapped studs and was able to back them out with a flat blade screwdrive.

Last edited by DonP; 07-21-2010 at 08:19 AM..

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Old 07-21-2010, 11:18 PM   #11
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Default Re: Engine mount bolts snapped much oil!!

I was able to remove the stud stubs from the engine block with a vise grip. All three are out. Here is a picture of the valve cover. As much as you fine folks may suspect I did not shoot my car!!!
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Old 07-21-2010, 11:28 PM   #12
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Default Re: Engine mount bolts snapped much oil!!

At least a cam cover should be easier to replace than the timing cover.

Keeping in mind that those studs are bolted in to the timing cover. ..not the block.

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Old 07-21-2010, 11:46 PM   #13
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Default Re: Engine mount bolts snapped much oil!!

Is it just the pic?? Why does you cam cover look munged sbr65nj?

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Old 07-22-2010, 12:23 AM   #14
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Default Re: Engine mount bolts snapped much oil!!

Quote:
Originally Posted by off-track View Post
Is it just the pic?? Why does you cam cover look munged sbr65nj?
When the engine mount studs broke, the engine shook/moved severely and the mount, still firmly moored on the frame side, slammed into the cam cover, cracking and denting it. It may well have rubbed that hole in the cover as well.

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Old 07-22-2010, 11:23 AM   #15
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Default Re: Engine mount bolts snapped much oil!!

The original location for the TSB showing the mount replacment seems to be unavailable so I added it here
http://alordofchaos.com/Saturn_S_Series.aspx

Note the torque values are pretty low - you don't want to strip anything out.

You'll want to clean that oil out before putting in the new studs. I had two loosen (and I think one snapped, but I forget now). I added some thread locker as suggested in the TSB and they seem to be OK now.

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Old 07-22-2010, 02:20 PM   #16
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Default Re: Engine mount bolts snapped much oil!!

FYI all. The engine mount is still intact!!,and it is not an aftermarket unit. I mounted it into my 97 SL2 (2nd car) to see and it was still aligned and was not collapsed and it worked like new. As it is an OEM unit it as not the smiley faced design! I am replacing the two dogbone strut mounts and Transmission mount. I was able to find a used valve cover (VC)from a reputable vendor on EBay for about $45 delivered and. A new VC gasket has been ordered. So with a little elbow grease and a little luck car should be back on the road early next week.

One symptom that now in retrospect I had been wondering about was that in reverse the car made a lot of noise. In forward gears it was fine. Probably the engine bouncing around while in reverse due to the lack of an attached engine mount.

Good female friend of mine told me that she will be disappointed about the aftermath of repair. She had remarked previously that she liked the vibrations. Oh well can't please them all. IMHO much better to have engine properly mounted with intact valve cover...

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Old 07-22-2010, 04:47 PM   #17
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Default Re: Engine mount bolts snapped much oil!!

Quote:
Originally Posted by sbr65nj View Post
Good female friend of mine told me that she will be disappointed about the aftermath of repair. She had remarked previously that she liked the vibrations. Oh well can't please them all.
At the risk of straying WAAAY off-topic (not to mention off-color), I reckon you'll find a "workaround" for this situation as well.....

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Old 07-23-2010, 01:54 AM   #18
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Default Re: Engine mount bolts snapped much oil!!

All the parts won't be in till beginning of next week. Sooo it will remain where it is leaking oil and on its wood blocks supporting the engine. Hopefully neighbors wont give me dirty looks. Will get back with you all then.

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Old 08-13-2010, 12:50 PM   #19
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Cool Re: Engine mount bolts snapped much oil!!

End of story...

1) The EBay part fit perfectly. was about $45 or so with shipping. Seller even cleaned it somewhat before shipping.
2) replaced all engine mounts except the top mount which is OEM and only two years old. Runs really quietly now.
3) While I was in there I replaced the Intake Manifold Gasket. Was causing the severe engine vibration that may well have caused or exacerbated the problem.

Car drives like new, not bad for a 14K car that has 153K of mileage.

Stuart

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