How to replace the extension house oil seal on Dodge Ramcharger?

This procedure applies to the A-230 and Overdrive-4 transmissions only. The extension housing oil seal is located at the extreme rear of the transmission, where the driveshaft is attached. If leakage at the seal is suspected, raise the rear of the vehicle and support it securely on jack stands, ensuring the front wheels are blocked to prevent rolling. A leaking seal will result in transmission lubricant buildup on the front of the driveshaft, potentially dripping from the dust shield at the rear of the transmission. Begin by removing the driveshaft, then place a container beneath the rear of the extension housing to collect any spilled oil. Carefully pry the oil seal and bushing (for A-230 transmissions) out of the rear of the transmission using a screwdriver or pry bar, taking care not to damage the splines on the transmission output shaft. To install the new oil seal, use a large section of pipe or a very large deep socket as a drift, driving it into the bore squarely and ensuring it is completely seated. Finally, install a new bushing using the same method.

Genuine Dodge Ramcharger Manual Transmission Extension Housing Seal

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Dodge Ramcharger Seal-TRANS.EXT.TO YOKE
Part Number: 4058047
$29.71 MSRP: $42.75
You Save: $13.04 (31%)
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Product Specifications
- Other Name: Oil Seal, w/Long Extension, A727
- Replaced by: 5003408AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 1984-1993 Dodge Ramcharger | Sport Utility 4WD | 6 Cyl 3.7L, 6 Cyl 3.9L, 6 Cyl 5.9L Diesel, 8 Cyl 5.2L, 8 Cyl 5.9L, All Engines

Dodge Ramcharger Manual Transmission Extension Housing Seal

The Dodge Ramcharger Manual Transmission Extension Housing Seal is a structural seal that prevents lubrication of the gear from leaking out at the location of the driveshaft slip yoke as it exits the transmission. The Manual Transmission Extension Housing Seal has a robust lip that seals against the yoke and the housing to prevent fluid leaks that could cause reduced fluid levels, inadequate lubrication, overheating, or damage to the gears. If the seal fails on a Dodge model, telltale spots on the driveway are hard to miss. An early check of the fluid and part replacement will keep you from incurring costly transmission damage. Throughout several generations of the Ramcharger, the basic lip design of the Manual Transmission Extension Housing Seal stayed consistent. However, the housing bushing must still be in decent condition. A bad bushing allows the yoke to wobble, which defeats a new seal. The routine inspection of the Dodge powertrain often finds damage to the Manual Transmission Extension Housing Seal early. The Ramcharger line did not include any special variants. Each Dodge truck will use the same Manual Transmission Extension Housing Seal with a good bushing to keep Ramcharger four and five speed gearboxes dry.

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Dodge Ramcharger Manual Transmission Extension Housing Seal Parts Questions & Experts Answers

Seal-TRANS.EXT.TO YOKE
4058047
Q: How to replace the extension house oil seal on Dodge Ramcharger?
A:
This procedure applies to the A-230 and Overdrive-4 transmissions only. The extension housing oil seal is located at the extreme rear of the transmission, where the driveshaft is attached. If leakage at the seal is suspected, raise the rear of the vehicle and support it securely on jack stands, ensuring the front wheels are blocked to prevent rolling. A leaking seal will result in transmission lubricant buildup on the front of the driveshaft, potentially dripping from the dust shield at the rear of the transmission. Begin by removing the driveshaft, then place a container beneath the rear of the extension housing to collect any spilled oil. Carefully pry the oil seal and bushing (for A-230 transmissions) out of the rear of the transmission using a screwdriver or pry bar, taking care not to damage the splines on the transmission output shaft. To install the new oil seal, use a large section of pipe or a very large deep socket as a drift, driving it into the bore squarely and ensuring it is completely seated. Finally, install a new bushing using the same method.