motor mount help plz
wwolf28
07-08-2007, 10:20 PM
98 gtp..motor mount is bad. Chiltons doesn't help with the how to get it out or how hard it will be. I have seen a pic of the mount its self but when i look under the car there is a plate welded to the frame and i cant see the bolts that hold the thing to the frame. going to look again tomorrow but if any one can help it would be appreciated.
thx
thx
eippermx
07-09-2007, 09:29 PM
This is what worked for me, YOUR MILEAGE WILL VARY! :bananadie
What you basically need for this job:
a. Floor Jack (preferable to a bottle jack)
b. Basic metric socket/wrench set
c. Car ramps
d. Small chunk of 2 by 4 wood
e. Safety stand
f. Dextron, Coolant and catch pan.
g. Flare wrench (brake line wrench) 5/8"
1. Drive your car up the ramps. ( By doing this you free up your floor jack.)
2. Jack up the passenger side front. I placed my floor jack underneath the front corner of the cradle (behind front of the tire) where the corner is re-enforced.
3. Jack up the car until the the wheel is off the passenger side ramp.
4. Place a safety stand on the BACK corner of the cradle on the passenger side behind the wheel. I did this so I could free up the front of the car so I could move around underneath to place the jack exactly were I wanted it.
5. Lower car on to jack stand and remove floor jack.
6. Remove the serpentine belt.
7. Remove front passenger wheel (19 mm).
8. Remove the power steering lines from the power steering pump.
9. Remove the two nuts (15 mm) beneath the front motor mount.
10. Remove the two nuts (15 mm) holding the top of the engine motor mount bracket.
11. Drain the radiator.
12. Remove the lower end hose from the radiator.
13. Now get up, pop the hood and disconnect the ground on the battery (8 mm). Just a safety precaution.
14. Disconnect the dogbones by removing the two bolts from their engine brackets. (15 mm socket & wrench). No need to completely remove them by removing them off the top of the radiator frame.
15. Remove the upper radiator hose from the T-stat housing.
16. Maneuver your floor jack under the engine and over to the transmission pan.
17. Place a chunk of 2 by 4 wood between the jack and tranny pan where it will bridge across the front triangular area of the pan located towards the front of the motor (NOT the front of the car).
Note: By jacking here you will balance both the tranny and engine as you jack up the entire unit off of the front motor mount.
18. Carefully jack up the motor/tranny until enough room is made to pop out the front motor mount.
19. IMPORTANT!!!!!!!!!
***IF you buy an aftermarket motor mount fit check the mount inside its cradle. Make sure the bottom bolts line up and it will seat properly.
***In my case, with a motor mount bought from Autozone, I had to use my grinder and round off the "ears" / corners (the end that faces towards the radiator) off of it to fit properly in the mount cradle.
***From other forum threads, I understand that the GM OEM motor mount fits like a glove and there is no need to modify the mount.
20. When you lower the engine, if you find that the holes in the bracket do not line up with the mount, just gently jiggle the motor to move it into alignment with the new motor mount.
21. Everything is reverse of the procedure to install the mount.
22. If your dogbones don't line up, grab the motor and rock it forward a touch while sliding each bolt back into place.
That's the procedure I used to change out my front motor mount on my GP.
What you basically need for this job:
a. Floor Jack (preferable to a bottle jack)
b. Basic metric socket/wrench set
c. Car ramps
d. Small chunk of 2 by 4 wood
e. Safety stand
f. Dextron, Coolant and catch pan.
g. Flare wrench (brake line wrench) 5/8"
1. Drive your car up the ramps. ( By doing this you free up your floor jack.)
2. Jack up the passenger side front. I placed my floor jack underneath the front corner of the cradle (behind front of the tire) where the corner is re-enforced.
3. Jack up the car until the the wheel is off the passenger side ramp.
4. Place a safety stand on the BACK corner of the cradle on the passenger side behind the wheel. I did this so I could free up the front of the car so I could move around underneath to place the jack exactly were I wanted it.
5. Lower car on to jack stand and remove floor jack.
6. Remove the serpentine belt.
7. Remove front passenger wheel (19 mm).
8. Remove the power steering lines from the power steering pump.
9. Remove the two nuts (15 mm) beneath the front motor mount.
10. Remove the two nuts (15 mm) holding the top of the engine motor mount bracket.
11. Drain the radiator.
12. Remove the lower end hose from the radiator.
13. Now get up, pop the hood and disconnect the ground on the battery (8 mm). Just a safety precaution.
14. Disconnect the dogbones by removing the two bolts from their engine brackets. (15 mm socket & wrench). No need to completely remove them by removing them off the top of the radiator frame.
15. Remove the upper radiator hose from the T-stat housing.
16. Maneuver your floor jack under the engine and over to the transmission pan.
17. Place a chunk of 2 by 4 wood between the jack and tranny pan where it will bridge across the front triangular area of the pan located towards the front of the motor (NOT the front of the car).
Note: By jacking here you will balance both the tranny and engine as you jack up the entire unit off of the front motor mount.
18. Carefully jack up the motor/tranny until enough room is made to pop out the front motor mount.
19. IMPORTANT!!!!!!!!!
***IF you buy an aftermarket motor mount fit check the mount inside its cradle. Make sure the bottom bolts line up and it will seat properly.
***In my case, with a motor mount bought from Autozone, I had to use my grinder and round off the "ears" / corners (the end that faces towards the radiator) off of it to fit properly in the mount cradle.
***From other forum threads, I understand that the GM OEM motor mount fits like a glove and there is no need to modify the mount.
20. When you lower the engine, if you find that the holes in the bracket do not line up with the mount, just gently jiggle the motor to move it into alignment with the new motor mount.
21. Everything is reverse of the procedure to install the mount.
22. If your dogbones don't line up, grab the motor and rock it forward a touch while sliding each bolt back into place.
That's the procedure I used to change out my front motor mount on my GP.
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