How to replace the rear Differential Seal on GMC Jimmy?

To remove the rear wheel, start by loosening the lug nuts and raising the rear of the vehicle on jackstands. Disconnect the driveshaft and secure it out of the way. Use an inch-pound torque wrench to check the torque required to rotate the pinion on semi-floating axles and record the reading. Make alignment marks on the pinion shaft, nut, and flange, and count the number of threads visible between the nut and shaft. Use a special tool or large pliers to loosen the self-locking pinion nut. Remove the nut and withdraw the companion flange, using a puller if necessary. Pry out the old seal and discard it. Lubricate the new seal and tap it into position with a seal installation tool or large socket. To install, align the mating marks and install the companion flange, tightening the pinion nut if needed. Apply non-hardening sealant to the spline ends on the flange. Install the washer and pinion nut, tightening it until the original number of threads are exposed. Measure the torque required to rotate the pinion and tighten the nut incrementally until it matches the recorded figure, slightly exceeding it to compensate for the new oil seal. Connect the driveshaft, install the wheels, and lower the vehicle, tightening the lug nuts to the proper torque.

Genuine GMC Jimmy Differential Seal

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6 Differential Seals found

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GMC Jimmy Differential Drive Pinion Gear Seal
Part Number: 26064028
$28.59 MSRP: $47.33
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Product Specifications
- Other Name: SEAL, Differential Drive Pinion Shaft Bearing; Pinion Seal
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-2001 GMC Jimmy | 2 DOOR, 4 DOOR | 6 Cyl 4.3L
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GMC Jimmy Differential Drive Pinion Gear Seal
Part Number: 12471523
$13.21 MSRP: $24.93
You Save: $11.72 (48%)
Ships in 1 Business Day
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Product Specifications
- Other Name: SEAL, Differential Drive Pinion Shaft Bearing; Pinion Seal
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2001 GMC Jimmy | 2 DOOR, 4 DOOR | 6 Cyl 4.3L
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GMC Jimmy Differential Drive Pinion Gear Seal
Part Number: 26026792
$19.02 MSRP: $34.10
You Save: $15.08 (45%)
Product Specifications
- Other Name: SEAL, Differential Drive Pinion Shaft Bearing; Pinion Seal
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-2001 GMC Jimmy | 2 DOOR, 4 DOOR | 6 Cyl 4.3L
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GMC Jimmy Differential Drive Pinion Gear Seal
Part Number: 26033578
Product Specifications
- Other Name: SEAL, Differential Drive Pinion Shaft Bearing; Pinion Seal
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-1997 GMC Jimmy | 2 DOOR, 4 DOOR | 6 Cyl 4.3L
- 1985-1991 GMC Jimmy | 1/2 TON | 6 Cyl 2.8L, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel
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GMC Jimmy Seal Assembly, Propeller Shaft Png Flange Oil
Part Number: 458859
Product Specifications
- Other Name: SEAL, Differential Drive Pinion Shaft Bearing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1991 GMC Jimmy | 1/2 TON | 6 Cyl 2.8L, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel
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GMC Jimmy Seal,Front Differential Drive Pinion Gear
Part Number: 14039587
Product Specifications
- Other Name: SEAL, Differential Drive Pinion Shaft Bearing; Pinion Seal, Seal, Yoke Seal
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-2001 GMC Jimmy | 2 DOOR, 4 DOOR | 6 Cyl 4.3L

GMC Jimmy Differential Seal

GMC Jimmy Differential Seal retains the important gear oil within the axle and keeps out grit and moisture. It closes off the gears, which allow the right and left wheels to rotate at varying speeds. The Differential Seal is positioned at intervals around the pinion or axle shaft, and the synthetic rubber lip has a spring-backed lip that clings to the metal surface, keeping the oil in place even when the shaft turns thousands of times per minute. The Differential Seal layout applied on open differentials in early GMC Jimmy trucks was also applied on subsequent limited-slip units. In both instances, the purpose of the Differential Seal has been to maintain lubrication so that neither design overheats nor chatters during cornering. Engineers have provided two primary models over the years: the common OE model and a more heavy-duty performance version, which is found on models designed to be applied for towing or on trails. The latter has a stiffer rubber compound and a broader outer flange that does not cock when the loads spike, but installation procedures remain the same. Monitoring for seepage and replacement of a worn Differential Seal can keep the differential quiet, smooth, and ready for more miles in any GMC Jimmy.

Each OEM GMC Jimmy Differential Seal we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

GMC Jimmy Differential Seal Parts Questions & Experts Answers

Differential Drive Pinion Gear Seal
26026792
Q: How to replace the rear Differential Seal on GMC Jimmy?
A:
To remove the rear wheel, start by loosening the lug nuts and raising the rear of the vehicle on jackstands. Disconnect the driveshaft and secure it out of the way. Use an inch-pound torque wrench to check the torque required to rotate the pinion on semi-floating axles and record the reading. Make alignment marks on the pinion shaft, nut, and flange, and count the number of threads visible between the nut and shaft. Use a special tool or large pliers to loosen the self-locking pinion nut. Remove the nut and withdraw the companion flange, using a puller if necessary. Pry out the old seal and discard it. Lubricate the new seal and tap it into position with a seal installation tool or large socket. To install, align the mating marks and install the companion flange, tightening the pinion nut if needed. Apply non-hardening sealant to the spline ends on the flange. Install the washer and pinion nut, tightening it until the original number of threads are exposed. Measure the torque required to rotate the pinion and tighten the nut incrementally until it matches the recorded figure, slightly exceeding it to compensate for the new oil seal. Connect the driveshaft, install the wheels, and lower the vehicle, tightening the lug nuts to the proper torque.