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Old 07-09-2006, 10:32 AM   #1
aaront
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Default 2000 LS2 Timing Belt Replacement

I have around 90K miles on my 2000 LS2 and when I changed the water pump a few years ago, I spilled some coolant on the belt (actually a good bit). Since I am in the process of chaging the power steering pump, I am going to change the belt as I would rather change it now than valves later.

I checked on the Alldata site and it seems that the instructions are heavy on checking that all the marks line up and the belt replacement itself is rather simple. Has anyone changed their belt recently and can I assume it is similar to a serpentine belt replacement if I block everything in place real well?

Thanks.
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Old 07-09-2006, 11:48 AM   #2
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Default Re: 2000 LS2 Timing Belt Replacement

There are detailed instructions in Haynes Manual.
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Old 07-09-2006, 02:32 PM   #3
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Default Re: 2000 LS2 Timing Belt Replacement

Thanks for the reply.

The Alldata instructions are very thorough and I guess I was amazed at the amount of steps involved. My initial thoughts were that if I blocked everything up, I could remove it like a serpentine belt only moving the tensioner pulley. However, it looks like I may have to remove the pulleys just to get the belt off then verify all the marks line up after replacement. I am checking with local Auto Parts stores to see if they have the locking tool for rent.

The Alldata instructions have been extremely good to me and these are very thorough. Maybe it was my wishful thinking that it would only take 5 steps instead of 30. Reading other posts, I will plan on a methodical approach and set aside about 4 hours or so.

I would appreciate any advice from anyone who has already changed one if there is anything they scratched their head about then ultimately figured out. After I finish, I will post my thoughts on how it went for those who are in the same position down the road.
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Old 07-09-2006, 06:58 PM   #4
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Default Re: 2000 LS2 Timing Belt Replacement

I too have read the instructions from the Alldata site - it looks like a straightforward job especially if the Baum timing tool kit is available.

The timing tool kit seems to be a necessity, but at $300, it seems a lot for a one time job. One member here stated he replaced the timing belt without it - he simply threaded the new belt through making sure the 4 cams and crank did not change position. A Saab web site has a procedure with their engines - very similiar to the Saturn V6.. http://www.thesaabsite.com/900new/NG...eplacement.htm

To me the important things in a successful job are:
1. All 4 cams and the crank are lined up when the new belt is replaced - one tooth off any gear is not acceptable
2. The proper belt tension is maintained. That begs the question. After 100,000 miles, should the tensioners be replaced also? How does one know if the tensioners are weak? Serpentine belt tensioners weaken with age and use, so why wouldn't these also weaken?

Please keep us advised, I am very curious how you made out. My 2001 V6 has only 55,000 miles on it, but will probably keep it for at least another 50,000 or more. I really like it.
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Old 07-10-2006, 12:25 PM   #5
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Default Re: 2000 LS2 Timing Belt Replacement

Thanks Greg

I am in the middle of the job right now and will try to block everything up myself. I am taking pictures during the process and will put them up as soon as I can. Thanks again for the alternate website, I will check that out.

At least there is plenty of room to work on this with the mount out.
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Old 07-13-2006, 03:10 PM   #6
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Default Re: 2000 LS2 Timing Belt Replacement

See the threads on "Service Wrench Light after timing belt replace" and "Service Wrench Light problem solved - P0327".
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Old 07-08-2021, 08:59 PM   #7
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Default Re: 2000 LS2 Timing Belt Replacement

Quote:
Originally Posted by aaront View Post
I am in the middle of the job right now and will try to block everything up myself. I am taking pictures during the process and will put them up as soon as I can. Thanks again for the alternate website, I will check that out.
Hi aaront,

I'm getting ready to do the timing belt replacement on my 2000 LS2. I see that you did it and posted a few pictures, but there are a few other details I'm curious about.
  1. Did you end up doing this with the timing belt tool kit, or were you able to just line up the cam & crankshaft marks with the nearby flange marks, along with making sure the belt paint marks are in the correct teeth?
  2. If you used the tool kit, did you buy it or rent it somewhere?
  3. Did you use the Haynes instructions or the Alldata?
  4. Any gotchas or lessons learned that you can remember? (I know it's been awhile since you did this job)

The Haynes instructions look pretty intimidating, so I'm dreading this project. I hope this repair attempt isn't the final chapter in the life story for my LS2. I refuse to pay someone to do this repair, so it's my success or the junk yard!
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Old 07-08-2021, 09:17 PM   #8
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Default Re: 2000 LS2 Timing Belt Replacement

That is a 15 year old thread, you will not get a reply. Please start a new thread to ask your question or search some more. If you want 30 pages with pictures there is a thread in the new posts section.
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Old 07-09-2021, 11:04 AM   #9
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Default Re: 2000 LS2 Timing Belt Replacement

hi lw- interesting question. mine is a 4 cyl. 01 L100 with 190k since new in 2000(not a v6 with rubber belt) . a few years ago my indy shop replaced its noisy timing chain, guide and tensioner. luckily avoided the engine destroying itself from a busted or jumped chain. all been running fine since. have contemplated doing the pump job myself when needed. cant afford to lay the car up for 2-3 weekends. no leaks of coolant or noise from the water pump but it is the original. figure that is on the horizon . never had a water pump last that long. replaced many of them on rwd vehicles. also figure this job is a 2 or 3 on the hellacious scale of 1-5. what think you? trick seems to be to hold the timing sprocket and chain securely with bolts and a faceplate tool bolted to the inspection hole and then take the pump off from the backside. appreciate your opinions if you did this job. thanks tons bob f
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Old 07-10-2021, 09:48 AM   #10
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Default Re: 2000 LS2 Timing Belt Replacement

Hello.

Click on my user name and search for threads that I've started. The only thing I would change to that post is that I started using carriage bolts and rubber washers to hold the cam shafts in place.

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Old 07-10-2021, 10:24 AM   #11
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Default Re: 2000 LS2 Timing Belt Replacement

Just realized that searching my posts wasn't the best advice.

Hope this link works better.

http://www.saturnfans.com/forums/sho...85#post1206685
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Old 07-18-2021, 11:09 AM   #12
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Default Re: 2000 LS2 Timing Belt Replacement

So I ended up buying the timing belt tool kit used from Ebay, and I'm pretty glad I did. I'm an amateur garage mechanic, so it was reassuring to me to have the feedback that the tool provided to let me know that all my marks were properly within specifications rather than "eyeballing it".

Weekend project complete: replaced timing belt, replaced three idle/tension pulleys, replaced water pump, replaced serpentine belt, replaced serpentine belt tensioner, flushed the coolant, and cleaned the engine compartment. I wanted to replace the front crankshaft seal, but for the life of me, I couldn't get the crankshaft bolt to break loose.

194K miles and still going!
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Old 07-31-2021, 09:42 PM   #13
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Default Re: 2000 LS2 Timing Belt Replacement

If anyone knows the Saab timing belt tool product number or has the timing belt tool for sale or for rent, please reply.

Last edited by fan; 07-31-2021 at 09:54 PM. Reason: clarification
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Old 08-01-2021, 01:18 PM   #14
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Default Re: 2000 LS2 Timing Belt Replacement

I've learned that the original 3.0L V6 engine was designed between GM and Saab then used in Saabs and Vectras. If I'm not mistaken GM then exported the Vectra with US federal mods for the American market and labeled it the LS then L300 line. Cadillac used this engine in their Catera.

If the same engine hasn't been altered mechanically then either Saab or GM 3.0 timing belt assignment kits should be interchangeable. I've seen both on eBay over the years when shopping for the kit but decided to try it without. It can be done and proven several times from members here using various work arounds to hold the camshafts in place.
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Old 08-03-2021, 02:11 PM   #15
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Default Re: 2000 LS2 Timing Belt Replacement

Thanks
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