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Old 01-31-2005, 03:00 PM   #1
slickdonkey
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1993 SL2
Default When should 1993 SL2 timing chain be replaced?

I don't think the timing chain on my 1993 Saturn SL2 has ever been replaced, and I'm up to almost 150k miles. I've had it in for regular 30k inspections at Saturn and they've never recommended replacing it. Why not? Does a chain last a lot longer than a traditional belt?

Also, is this a job I could do myself without major headache? I would say I'm an "intermediate" mechanic.

Thanks!

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Old 01-31-2005, 03:15 PM   #2
alleninpa
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Default Re: When should 1993 SL2 timing chain be replaced?

Your car has 150K, if it isn't broke, then don't fix it.
It may be a headache. If I recall, getting a good seal after you put the timing chain cover back on is a pain.
Chains generally last much longer than belts, and the belts go for 100k now. It should last as long as your engine.

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Old 01-31-2005, 06:49 PM   #3
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Default Re: When should 1993 SL2 timing chain be replaced?

If you have 150K, Id consider doing it soon. Every engine we've picked up at the junkyards has had 100k or more on the clock and has needed them. We alway do a tear down and the timing chain is always stretched at least a link longer than a new one and the tensioner is at the end of its limit.

The first timing chain I did was done with the engine in the car. Never again. Much easier to do it out of the car. You can do it in the car, just take your time, make sure the surfaces are clean and dry, and use black RTV sealant. The let it sit a day or so to ensure a good seal before running the engine.

You dont want to wait for the chain to break. Because then you'll be replacing a broken engine instead.

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