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Old 09-19-2000, 12:43 PM   #1
patrick 96sl2
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Default Engine Mounts

Hi Everyone,

I noticed on my 96 SL2 that I have lost yet another top engine mount. I believe this is the 3rd or 4th one. Does anyone have any suggestions on how to make them last longer or would an aftermarket engine mount be better, if there is such a thing.

I know the heat here in Phoenix is probably tough on them, but this is ridiculous.

Thanks in advance for your suggestions.
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Old 09-19-2000, 07:25 PM   #2
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Yes, heat is probably a major factor. Agressive driving can also shorten their life, in my experience.

SPS (http://www.donet.com/~sps/) has some stiffer ones, but I don't know if they last longer. There have also been some posts on SPOC about using WindowWeld (I think it is a silicone adhesive to seal windshields) to firm them up, but I couldn't find any links to that information just now, after a quick search of my bookmarks.

Jim
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Old 09-19-2000, 11:18 PM   #3
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I'm not sure how to make them last longer but I'm in New Jersey and replaced the one in our 97 SW1 and 94 SL2 (top mounts). I think we are just leadfoots to keep up with heavy, heavy traffic and wear them out, It has been a very mild summer here so I think it must be all the hard stop and go. Its not a major repair about $150 each time. The life of the timing chain has me more concerned.
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Old 09-20-2000, 09:43 AM   #4
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I do mostly highway driving and with only 20k mi. they had to change mine. Maybe it is the heat.
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Old 09-20-2000, 04:32 PM   #5
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i had heard that the early s series saturns had better top engine mounts while the newer s series saturns have mounts that are wimpier. if you replace, then go with the older design is what i have been told.
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Old 09-22-2000, 08:55 PM   #6
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They've always been a replacement item, even on the older models; I replaced the one on my '92 SC twice (once under warranty, once myself) and once on my '98 SC2 (under warranty, just before I traded for my '00 LW2). Think of it as an every 25,000 mile maintenance item, minimum. Learn to do it yourself, and the price tag is cut in half (the part is about $75.00 from Saturn).
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Old 09-23-2000, 01:07 AM   #7
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How are you supposed to know if your top motor mount is bad? I've never replaced mine and I have 126,000 miles on my '94 SL2. I have replaced the two lower motor mounts, but only to get stiffer mounts. I didn't notice anything wrong with them.

Jon
 
Old 09-23-2000, 01:07 PM   #8
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Usually, you'll notice vibration penetrates the interior much more than before; have you had the car since new? It's not tlike it's good one day, bad the next, so the change can sneak up on you. If you notice alot of interior bits are vibrating/buzzing when you wind up the rpm's, the top engine mount ("torque axis engine mount") is generally the culprit.

If you replace it, you'll probably feel like you've got a new car again!
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Old 09-26-2000, 08:44 PM   #9
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Yeah, I have replaced my top mount just about every 25 to 30K and you're right: the car rides really great when they're new. I've had a minor driveline vibration since new that is most noticable when sitting at a light with my foot on the brake (automatic). I can not FEEL the vibration, due to the excellent padded steering wheel, but my radio antenna vibrates, and before I replaced my rear view mirror with an aftermarket model (LaneChanger II) which is heavier, the rear view mirror used to shake at stoplights too. Whenever the drivetrain harshness comes out or the vibration gets worse I know I am about ready for a new motor mount.

I think you could test yourself: with the engine turned off (and cool!) try pushing against the top of the motor and see if there is a lot of give. Or have someone rev the motor while you have the hood up and watch.

All that vibration is not good for your driveline parts. Blame it on Saturn's torquey engine, but as noted it is not an expensive repair.

Jim
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Old 09-27-2000, 10:48 AM   #10
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Daaym! At 25k that should be on the O-Manual as routine maintenance. Definitely a cheap mount, Saturn.
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Old 09-27-2000, 12:10 PM   #11
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My 00SW2 has about 27K on it now - what exactly is "a lot" of give? on the order of an inch?

-=Chris
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Old 09-27-2000, 10:50 PM   #12
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Sorry, I can't describe it any better.

I've just spent an hour searching for the article I'd previously read, wihout success.

The following information is provided as an explanation of how a qualified tech might do it, I do not recommend that you do it yourself (I don't want any liability). The Haynes Saturn Repair Manual suggests jacking up the vehicle and then jacking up the engine under the oil pan (with a block of wood between the oil pan and the jack) to remove the weight from the mounts (DO NOT PLACE ANY PART OF YOUR BODY UNDER ENGINE WHILE IT IS SUPPORTED BY JACKS). Next inspect the mounts for cracks, tears, or hardening of the rubber, or separation from the metal part. Then "check for relative movement between the mounts and the engine or frame (use a large screwdriver or prybar to attempt to move the mounts). If movement is noted, lower the engine and tighten the mount fasteners."

To read more about non Saturn replacement options see the following post on Topica:

http://www.topica.com/lists/spoc/read/message.html?mid=701582004

If in doubt, I'd recommend that you ask your Service Tech to check them out the next time you go in for service. I hope that this helps.

Jim
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