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Genuine Oldsmobile Cutlass Differential Seal
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3 Differential Seals found
Oldsmobile Cutlass Differential Drive Pinion Gear Seal
Part Number: 26026792$19.02 MSRP: $34.10You Save: $15.08 (45%)
Oldsmobile Cutlass Differential Seal
The Oldsmobile Cutlass Differential Seal keeps gear oil inside the differential while blocking dirt and moisture, allowing smooth power transfer through every turn. Positioned at both the front and rear housings, the Differential Seal surrounds the axle shafts and forms a resilient synthetic rubber barrier so fluid loss and contaminant intrusion do not erode gears or bearings. Major versions rely on specialized rubber blends, though some add a flanged lip or latex film to steady fitment and close tiny surface flaws. Regardless of style, each Differential Seal pursues the same goal, limit leaks that would starve the open or limited slip units of lubricant and trigger chatter or premature wear. A quick visual check of the Differential Seal every 3,000 miles helps a Cutlass driver catch seepage early. Worn Differential Seal units can be swapped without full axle removal by prying the old ring free, tapping the new one flush, and topping the case with fresh 75W-90 fluid, keeping every Oldsmobile driveline quiet and ensuring the lasting agility of the Oldsmobile Cutlass.
Each OEM Oldsmobile Cutlass 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.
Oldsmobile Cutlass Differential Seal Parts Questions & Experts Answers
- Q: How to replace a differential seal on Oldsmobile Cutlass?A:Place the vehicle over an inspection pit or raise the rear end to provide adequate working clearance. Disconnect the driveshaft and tie it to the body sideframe. Using a torque wrench, check the torque required to rotate the pinion and record this for use later. Scribe or dot punch alignment marks on the pinion stem, nut, and flange so that they can be refitted in the same relative position. Count the number of threads visible between the end of the nut and the end of the pinion stem and record for use later. A suitable tool must now be used to hold the pinion flange quite still while the self-locking pinion nut is removed. Unscrew and remove the pinion nut. Withdraw the companion flange using a two or three-legged extractor engaged behind the flange. Pry out the old seal and discard it. Lubricate the lips of a new seal with extreme pressure lithium-based grease and tap it into position. Align the mating marks made before dismantling and install the companion flange. Smear a non-hardening jointing compound on the ends of the splines visible in the center of the companion flange. Install the thrust-washer and nut, but tighten the nut carefully so that the original number of threads is exposed. Measure the torque required to rotate the pinion and tighten the nut fractionally until the figure compares with that recorded before dismantling. In order to compensate for the drag of the new oil seal, the nut should be further tightened so that the rotational torque of the pinion exceeds that recorded before dismantling by between 1 and 5 lbf-in. Reconnect the driveshaft, install the brake drum and wheel, and lower the vehicle.
