Bad clunk when I get on the gas
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Junior Member
Joined: Nov 2004
Posts: 25
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From: Delaware
Car: 1990 Camaro RS
Engine: 90 Caprice 5.7
Transmission: 700R4 Auto
Bad clunk when I get on the gas
Ive seen stuff about the rear clunkin around every rotation but mine isnt like that. If I stomp or just get on it enough to get out in traffic it feels likethe rear is going to rip out of the car. I was thinking the universles mite be the problem, but it seems to be a little to bad to be them. Is my rear going to burst into flames? Ive been plannnin on buying an axle with new gears anyway, 373 or 411. Any input on the rear or my axle search would be greatly apprieciated
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Joined: Apr 2000
Posts: 5,321
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From: Northern CA.
Car: '82 Z28
Engine: 350
Transmission: TH400 4,000 stall
Axle/Gears: Currie 9", 4.56 gears
Trans mount or torque arm mount. Get under the car and try to lift the transmission tail to see if the mount seperates. Also give a tug on the torque arm to see if it moves around. Of course, make sure the car is secure before doing any of that.
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Joined: Aug 2004
Posts: 572
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From: Port Huron Mi
Car: 87 Formula
Engine: 350 tpi
Transmission: 700r4
Axle/Gears: Stock 9 bolt
Id check the tranny mount i borke 3 of them on my 89 in 4 months thery are easy to check and just to make sure its nto a simple $8 part before you replace a $800 dollar part thinkin thats it. Gm had a very bad design on the tranny mount and they are known to break
Kevin
Kevin
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Junior Member
Joined: Nov 2004
Posts: 25
Likes: 0
From: Delaware
Car: 1990 Camaro RS
Engine: 90 Caprice 5.7
Transmission: 700R4 Auto
Originally posted by FndmntlsOfPimpn
Id check the tranny mount i borke 3 of them on my 89 in 4 months thery are easy to check and just to make sure its nto a simple $8 part before you replace a $800 dollar part thinkin thats it. Gm had a very bad design on the tranny mount and they are known to break
Kevin
Id check the tranny mount i borke 3 of them on my 89 in 4 months thery are easy to check and just to make sure its nto a simple $8 part before you replace a $800 dollar part thinkin thats it. Gm had a very bad design on the tranny mount and they are known to break
Kevin
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Joined: Oct 2000
Posts: 659
Likes: 0
From: Chesapeake, VA
Car: '86 TransAm WS6
Engine: 305 TPI
Transmission: Custom TH700R4
To quote myself (we do this thread every few weeks around here):
Checking the trans mount is easy.
1. Get the car off the ground. I like Rhino Ramps for this kind of work.
2. Remove the single nut holding the trans mount to the crossmember.
3. Place your jack under the transmission pan.
4. Using a large block of wood to distruibute the force of the jack, gently start lifting the transmission.
5. Once the weight is off of the trans mount, you should be able to see large cracks in the rubber bushing. Pieces of this may fall out. If this is not the case, you are now two bolts and 5 minutes away from a full R&R of the transmission mount anyway, so:
6. Get off your cheap, lazy butt and call Summit for the ES poly mount.
7. Install new poly mount, lower car and enjoy new, tighter feeling driveline.
1. Get the car off the ground. I like Rhino Ramps for this kind of work.
2. Remove the single nut holding the trans mount to the crossmember.
3. Place your jack under the transmission pan.
4. Using a large block of wood to distruibute the force of the jack, gently start lifting the transmission.
5. Once the weight is off of the trans mount, you should be able to see large cracks in the rubber bushing. Pieces of this may fall out. If this is not the case, you are now two bolts and 5 minutes away from a full R&R of the transmission mount anyway, so:
6. Get off your cheap, lazy butt and call Summit for the ES poly mount.
7. Install new poly mount, lower car and enjoy new, tighter feeling driveline.
Member
Joined: Apr 2004
Posts: 278
Likes: 0
From: Sin City
Car: '86 IROC, '87 Volvo 240, '09 Malibu
Engine: LB9 5.0L
Transmission: 700R4
Originally posted by thecoolone
Is it ok to NOT use a torque wrench on the tranny mount bolts?
Don't have one.
Is it ok to NOT use a torque wrench on the tranny mount bolts?
Don't have one.
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