Description
QU40248 Dana 80 Flanged Pinion Seal for 2001-2002 Dodge Ram 2500 and Ram 3500 This seal fits late production housings with deep seal bores. This seal can be identified by an external flange that seats against the front face of the axle housing. A band of sealant is factory installed to seal against leaks between the seal and housing. This seal is used in conjunction with QU40251 V-Seal.
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Dan the Gear Man® Tech Notes:
Verify Seal Needed
Oil Seal Leaks
Matching Parts
Applications
Tech Note 1: Verify Seal Needed
Many 2001 and almost all 2002 Dodge Ram Dana 80 rear axles use this deep shell seal that has a metal flange that limits seal installation depth. Early and mid production Dodge Dana 80 rear axles use a shallow shell pinion seals (QU40335) that seat against a step in the housing bore when fully installed. The two seal types are NOT interchangeable.
Tech Note 2: Oil Seal Leaks
Oil seal leaks can be very vexing with rear axle applications. The most common cause is simply the axle vent system is plugged. When this happens, pressure builds up as the axle warms up during operation until the weakest seal fails. The cure is easy, clean the vent hose and/or fittings (usually found on the left axle tube). Another common cause is a seal wears a groove in the pinion yoke. In these cases, replacing the yoke is the way to go.
Installing stainless steel wear sleeves marketed by most major seal manufacturers would seem like a viable alternative, unfortunately, this type of repair rarely lasts long. Why? A wear sleeve increases the diameter of the yoke or spindle by 0.020"-0.040". When a stock seal, engineered for the original yoke or spindle diameter is installed over a wear sleeve, the larger installed diameter of the sleeve causes the seal to run hotter and wear much faster than normal. Result: Rapid seal wear and presto! the oil leak is back.
Tech Note 3: Matching Parts
Matching Parts for QU40248 Pinion Seal:
QU40251 Outer Pinion V-Seal
QU40709 U-Joint Strap and Bolt Kit
QU40061 Pinion Nut
QU40250 Pinion Washer
QU10636 Pinion Yoke
QU40095 Outer Pinion Slinger
QU40218 Limited Slip Lubricant
Exploded View XV2011 2000-2002 Dodge Ram 2500, Ram 3500 Dana 80 Rear Axle
Applications
Dodge:
Ram 2500 and Ram 3500 with Dana 80 Rear Axles: Late 2001*, 2002
*Late 2001 with Axle Tag Numbers: 606709, 606710, 606711, 606712, 606713, 606742
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