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Old 04-14-2008, 08:21 PM   #1
quickster
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2002 SL2
Default Replacing Engine/Trans.Mounts

This week-end, if the weather co-operates, I plan on replacing all TAM components on my 2002 SL-2. My question is, do I loosen and re-torque the two nuts on the engine strut bracket (fore/aft preload) while it's still on the jackstands, or do I wait until the car is sitting on all four tires? Any advice that might make the lower transmission mount easier to change,would be great. At first look, the inner fenderwell looks like it could be in the way when raising the transmission.

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Old 04-14-2008, 08:44 PM   #2
hrbchan
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Default Re: Replacing Engine/Trans.Mounts

I believe you have to remove the jack under the oil pan or transmission before loosing and tightening the 2 nuts, but you might still need to raise your car or put it on stands, as there is not enough room to get into that area.

It's not that difficult to take the lower engine mount or tranny mount out, but much harder to put the new one back in as the new one is not "compressed" (see attached). I finally used a 2x4 with the cradle as pivot point to move the transmission horizontally for a few mm to let the new one slide in the position. Also, the 2 nuts on the frame side of the top mount should be loosed to give more room for the engine to move. After replacing the bottom tranny mount, replacing the top is a breeze.

Enjoy the "new" quiet and smooth Saturn after the new mounts installed. It's a huge difference.
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File Type: jpg IMG_2690a.JPG (69.2 KB, 182 views)

Last edited by hrbchan; 04-14-2008 at 08:52 PM..

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Old 04-14-2008, 09:07 PM   #3
quickster
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Default Re: Replacing Engine/Trans.Mounts

Thanks hrbchan.
I'm trying to picture where and how you used the 2x4. I forgot to add that mine is an automatic transmission which is bigger, not much room to raise it. Is yours also an automatic? Was the fenderwell an issue? I'll definitely take your advice on loosening two nuts on engine mount. I was also thinking of loosening the transmission dogbone also, or is it necessary? Thanks again.

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Old 04-14-2008, 09:23 PM   #4
hrbchan
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Default Re: Replacing Engine/Trans.Mounts

Mine is automatic transmission. The fender is easy to remove, only 1 plastic screw, and 1 snap-on.

After I removed the old tranny mount, I found that I need an extra 2mm to slide the new one in. No matter how I jacked up the tranny, the space/gap seems unchanged. Then I tried move the tranny horizontally to the passenger side by using a 3 feet 2x4, as it's not easy to move the tranny by hand. Just that little move, the tranny mount dropped to the position. Then I lowered the tranny slowly to align the 2 holes to put the screws back.

Loose the top tranny dogbone and the top engine mount will help put the new tranny mount back, as it provides more room for movement.

I only replaced the top engine mount and the tranny mount. According to some senior guys like Wolfman said, the dogbones are normally OK, as they are not bearing the weight.

Also see attached a pic of the 2 nuts. There are 3 holes in that area. It's the 2 inside ones.
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Last edited by hrbchan; 04-14-2008 at 09:35 PM..

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Old 04-15-2008, 04:44 AM   #5
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Default Re: Replacing Engine/Trans.Mounts

Now I understand. Thanks for explaining. I was thinking when you said horizontally, you meant front to back. Now I know exactly. What I meant about the fender was after removing the splash shields, the metal frame or fenderwell at the top, closest to the transmission looks very close to the tranny. But it must not be an issue, so I wont worry about it. I took everything apart to have a look this past week-end, that's why I know the engine dogbone is shot. The transmission dogbone is the only one I didn't investigate, so I figured if I'm going to change the other three, I may as well change that one also. Do you think I should replace any of the nuts, and if so, will the hardware store have them? Thanks hrbchan for all your advice and the pictures are a great help.

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Old 04-15-2008, 07:32 AM   #6
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Default Re: Replacing Engine/Trans.Mounts

This may help-----------
http://www.saturnfans.com/forums/showthread.php?t=37578

Jerry

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