How to replace the Crankshaft seals on Ford Thunderbird?

To replace the front seal, there is need to first remove the negative terminal of the battery, then follow the removal of the; fan assembly and shroud, the drivebelt and if equipped upper and lower shields. Place a mark on the crankshaft pulley and on the vibration damper so as to guide it when it will be reassembled, unscrew and take out the pulley and remove the vibration with a puller in order not to damage it. Scrub the crankshaft nose and the seal contact face and slightly pry out the worn out seal with the bore and crankshaft being checked for any signs of damage. If necessary, fit or rivet a special sleeve over any grooves in the balancer to obviate leakage. Smooth some oil to the lip of new seal and push it in to the bore until it fits tightly and you may use a socket or pipe of equal diameter. This is where balance pins are normally situated and if placing a new vibration damper, then balance pins should be well placed and the contact surface greased or oiled. Calling face the damper with the Woodruff key and set it with a soft-face hammer; then replace all other parts + and start the motor and check for leaks. For the rear seal, just drop the transmission and the flywheel/Drive plate, then just gently pry out the old seal without having to scratch the Crank shaft. Scrub the internal cylinder and the crankshaft and look for more damage, lubricate the edge of the new seal and than put it in the cylinder nicely and if possible use the tool. Last and before anything else, replace the rear cover plate, the flywheel or drive plate, as well as the transmission.

Genuine Ford Thunderbird Crankshaft Seal

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7 Crankshaft Seals found

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Ford Thunderbird Seal Assy - Crankshaft Oil
Part Number: E5ZZ-6701-A
$15.47 MSRP: $28.17
You Save: $12.70 (46%)
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Product Specifications
- Other Name: Rear Main Seal
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1982-1990 Ford Thunderbird | 4 Cyl 2.3L, 6 Cyl 3.3L, 6 Cyl 3.8L, 8 Cyl 4.2L, 8 Cyl 5.0L | 3AT C3, 3AT C5, 4AT A4LD, 4AT AOD, 5MT
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Ford Thunderbird Seal Assy - Crankshaft Oil
Part Number: F4AZ-6701-A
$28.67 MSRP: $40.83
You Save: $12.16 (30%)
Ships in 1-2 Business Days
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Product Specifications
- Replaces: F3AZ-6701-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1994-1997 Ford Thunderbird | 8 Cyl 4.6L | 4AT 4R70W, 5MT
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Ford Thunderbird Seal Assy - Crankshaft Oil
Part Number: F1SZ-6701-A
$31.81 MSRP: $46.50
You Save: $14.69 (32%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1991-1997 Ford Thunderbird | 6 Cyl 3.8L, 8 Cyl 5.0L | 4AT 4R70W, 4AT AOD, 5MT
- 1987-1989 Ford Thunderbird | 4 Cyl 2.3L, 6 Cyl 3.8L, 8 Cyl 5.0L | 4AT A4LD, 4AT AOD, 5MT
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Ford Thunderbird Bracket Fender Mounting
Part Number: F3LY16D157A
$27.49 MSRP: $37.56
You Save: $10.07 (27%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Bracket - Fender Mounting; Fender Bracket, Upper Rail Upper Bracket
- Position: Driver Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1989-1997 Ford Thunderbird | 6 Cyl 3.8L, 8 Cyl 4.6L, 8 Cyl 5.0L | 4AT 4R70W, 4AT AOD, 5MT
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Ford Thunderbird Seal Assy - Crankshaft Oil
Part Number: E8DZ-6701-A
$24.51 MSRP: $35.83
You Save: $11.32 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaced by: F37Z-6701-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1981-1989 Ford Thunderbird | 4 Cyl 2.3L, 6 Cyl 3.3L, 6 Cyl 3.8L, 8 Cyl 4.2L, 8 Cyl 5.0L | 3AT C3, 3AT C4, 3AT C5, 4AT A4LD, 4AT AOD, 5MT
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Ford Thunderbird Seal Assy - Crankshaft Oil
Part Number: 3W4Z-6701-AA
Product Specifications
- Other Name: Crankshaft Seal, Rear Main Seal
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2005 Ford Thunderbird | 8 Cyl 3.9L DOHC EFI NA | 5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission NAAO 5R55N, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Thunderbird Seal Assembly Crankshaft Oil
Part Number: F1CZ6701B
Product Specifications
- Other Name: Seal Assy - Crankshaft Oil; Front Cover Seal, Rear Main Seal
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1987-1989 Ford Thunderbird | 4 Cyl 2.3L, 6 Cyl 3.8L, 8 Cyl 5.0L | 4AT A4LD, 4AT AOD, 5MT

Ford Thunderbird Crankshaft Seal

The Crankshaft Seal in Ford Thunderbird vehicles is a component situated right at the front part of the cranking mechanism of the vehicles and its function includes to eliminate the likelihood of oil leakage in the crankcase. This round seal is usually made of both metal and rubber and basically assists in ensuring that the rubbers of the engine are well lubed to reduce the friction and thus reduce on the wearing of the engine parts. In Ford Thunderbird models, there have been many kinds of Crankshaft Seals used through the years with the major distinctions being in material selection, as well as design changes to optimize sturdiness and performance. A bad Crankshaft Seal is characterized by oil leaks which are likely to occur in older cars, and therefore, must be replaced for the proper functioning of the engine. Crankshaft Seal is very vital or important for the Ford Thunderbird, the maintenance of which should occur periodically.

We provide a wide range of Ford Thunderbird Crankshaft Seal at the best prices possible. If you need Ford Thunderbird Crankshaft Seal, you can shop with confidence on our website. All our OEM parts come with a manufacturer's warranty and are delivered to your door step with a fast delivery service.

Ford Thunderbird Crankshaft Seal Parts Questions & Experts Answers

Seal Assy - Crankshaft Oil
F1SZ-6701-A
Q: How to replace the Crankshaft seals on Ford Thunderbird?
A: To replace the front seal, there is need to first remove the negative terminal of the battery, then follow the removal of the; fan assembly and shroud, the drivebelt and if equipped upper and lower shields. Place a mark on the crankshaft pulley and on the vibration damper so as to guide it when it will be reassembled, unscrew and take out the pulley and remove the vibration with a puller in order not to damage it. Scrub the crankshaft nose and the seal contact face and slightly pry out the worn out seal with the bore and crankshaft being checked for any signs of damage. If necessary, fit or rivet a special sleeve over any grooves in the balancer to obviate leakage. Smooth some oil to the lip of new seal and push it in to the bore until it fits tightly and you may use a socket or pipe of equal diameter. This is where balance pins are normally situated and if placing a new vibration damper, then balance pins should be well placed and the contact surface greased or oiled. Calling face the damper with the Woodruff key and set it with a soft-face hammer; then replace all other parts + and start the motor and check for leaks. For the rear seal, just drop the transmission and the Flywheel/Drive plate, then just gently pry out the old seal without having to scratch the Crank shaft. Scrub the internal cylinder and the crankshaft and look for more damage, lubricate the edge of the new seal and than put it in the cylinder nicely and if possible use the tool. Last and before anything else, replace the rear cover plate, the flywheel or drive plate, as well as the transmission.