How to replace the rear automatic motor and transmission mount on 2003 Buick Park Avenue?

In order to replace the rear automatic transmission mount first lift and support the vehicle. Pull off the power steering gear heat shield, and disconnect the power steering pressure hose and return hose from the Rack And Pinion and hang them from the exhaust pipe. Once you support the transaxle using a transaxle support stand it is now clear to remove nuts off the mount bracket along with the lower bolts and nut from the mount. Then, remove the three retaining bolts from the mount bracket, and remove the mount and mount bracket from the vehicle. For installation, install the mount and the mount bracket on the vehicle and apply thread lock compound gm p/n 12345493 or equivalent to the rear transmission bracket bolts. Mount the bracket onto the mounting surface such that the countersunk hole on the bracket aligns with the threaded hole in the mounting surface. Then install the retaining bolts to the mount bracket and tighten them in at 63 nm (46 ft. Lbs.) of torque. Mount the lower bolts and nut onto the transmission mount, tighten them to 50 nm (37ft.lbs.) and the upper nut on the mount, tighten to 50 nm (37ft.lbs.). Then remove the transaxle support stand, reinstall the power steering return hose and pressure hose to the Rack And Pinion and then the power steering gear heat shield. Finally, lower the vehicle.

OEM 2003 Buick Park Avenue Motor And Transmission Mount

Motor and Trans Mount

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6 Motor And Transmission Mounts found

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2003 Buick Park Avenue Transmission Mount, White, Rear Part Number: 25723646
$72.16 MSRP: $113.04
You Save: $40.88 (37%)
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Product Specifications
- Other Name: Mount Assembly-Transmission Rear *White; Engine Mount Bracket; Transfer Case Mount; Motor Mount; Rear Mount; Mount, Transmission Mounting
- Position: Rear
- Replaces: 25693540, 25705524
- Item Weight: 2.30 Pounds
- Item Dimensions: 9.3 x 8.3 x 6.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25723646
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2003 Buick Park Avenue Submodels:
- Base, Ultra | 6 Cyl 3.8 L GAS
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2003 Buick Park Avenue Transmission Mount Part Number: 25736430
$87.67 MSRP: $137.33
You Save: $49.66 (37%)
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Product Specifications
- Other Name: Mount, Transmission Mounting; Engine Mount Bracket; Transfer Case Mount; Motor Mount; Front Mount; Front Bracket; Mount
- Position: Front
- Replaces: 25706431
- Item Weight: 7.10 Pounds
- Item Dimensions: 10.4 x 7.6 x 7.4 inches
- Condition: New
- SKU: 25736430
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2003 Buick Park Avenue Submodels:
- Base, Ultra | 6 Cyl 3.8 L GAS
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2003 Buick Park Avenue Transmission Mount, Driver Side Part Number: 25695932
Product Specifications
- Other Name: Trans Mount; Engine Mount Bracket; Transfer Case Mount; Motor Mount; Side Transmission Mount; Mount; Mount, Transmission Mounting
- Position: Driver Side
- Replaces: 25662258, 25691733, 25689177, 25713700
- Item Weight: 4.00 Pounds
- Item Dimensions: 8.1 x 6.8 x 4.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25695932
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2003 Buick Park Avenue Submodels:
- Base, Ultra | 6 Cyl 3.8 L GAS
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2003 Buick Park Avenue Motor Mount, Passenger Side Part Number: 25710672
Product Specifications
- Other Name: Mount; Engine Mount Bracket; Transfer Case Mount; Transmission Mount; Mount, Engine Mount Dampening; Mount, Engine Mounting
- Position: Passenger Side
- Replaces: 25638464, 25681326, 25715770, 25695085, 25695931, 25691731, 25713699
- Item Weight: 4.00 Pounds
- Item Dimensions: 8.3 x 7.1 x 4.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25710672
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Buick Park Avenue Submodels:
- Base, Ultra | 6 Cyl 3.8 L GAS
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2003 Buick Park Avenue Support Part Number: 25740662
Product Specifications
- Other Name: Bracket, Engine Mounting; Engine Mount Bracket; Transmission Mount; Motor Mount; Bracket
- Replaces: 25647356
- Item Weight: 6.20 Pounds
- Item Dimensions: 12.5 x 9.2 x 8.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25740662
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Buick Park Avenue Submodels:
- Base, Ultra | 6 Cyl 3.8 L GAS
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2003 Buick Park Avenue Rear Mount Bracket Part Number: 25677169
Product Specifications
- Other Name: Bracket; Engine Mount Bracket; Motor Mount; Rear Bracket; Bracket, Transmission Mounting Support
- Position: Rear
- Item Weight: 6.30 Pounds
- Item Dimensions: 9.6 x 5.6 x 4.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25677169
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Buick Park Avenue Submodels:
- Base, Ultra | 6 Cyl 3.8 L GAS

2003 Buick Park Avenue Motor And Transmission Mount

With a comprehensive array of OEM 2003 Buick Park Avenue Motor And Transmission Mount, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2003 Buick Park Avenue Motor And Transmission Mount are backed by the manufacturer's warranty and are offered at competitive prices in the market. Rest assured, you can shop with complete confidence.

2003 Buick Park Avenue Motor And Transmission Mount Parts and Q&A

Q: How to replace the rear automatic motor and transmission mount on 2003 Buick Park Avenue?
A: In order to replace the rear automatic transmission mount first lift and support the vehicle. Pull off the power steering gear heat shield, and disconnect the power steering pressure hose and return hose from the Rack And Pinion and hang them from the exhaust pipe. Once you support the transaxle using a transaxle support stand it is now clear to remove nuts off the mount bracket along with the lower bolts and nut from the mount. Then, remove the three retaining bolts from the mount bracket, and remove the mount and mount bracket from the vehicle. For installation, install the mount and the mount bracket on the vehicle and apply thread lock compound gm p/n 12345493 or equivalent to the rear transmission bracket bolts. Mount the bracket onto the mounting surface such that the countersunk hole on the bracket aligns with the threaded hole in the mounting surface. Then install the retaining bolts to the mount bracket and tighten them in at 63 nm (46 ft. Lbs.) of torque. Mount the lower bolts and nut onto the transmission mount, tighten them to 50 nm (37ft.lbs.) and the upper nut on the mount, tighten to 50 nm (37ft.lbs.). Then remove the transaxle support stand, reinstall the power steering return hose and pressure hose to the Rack And Pinion and then the power steering gear heat shield. Finally, lower the vehicle.