How to replace the input transfer case seal on 2001 Chevrolet Astro?

The first step to replace the Transfer Case input shaft seal requires vehicle elevation followed by Transfer Case assembly extraction while you maintain the integrity of Transfer Case and shaft sealing surfaces throughout seal replacement since seal mishandling can result in leakage or force additional component replacement. The second step requires removal of the Transfer Case input shaft seal. Install the new seal by orienting its part numbers toward the technician's view while ensuring it sits level with the Transfer Case surface. For Transfer Case input shaft seal installation use j 42738 seal installer (J 42738) to position the seal directly onto the input shaft. The process ends by reattaching the Transfer Case assembly followed by fluid level inspection and final vehicle descent.

OEM 2001 Chevrolet Astro Transfer Case Seal

Transfer Case Output Shaft Seal

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2 Transfer Case Seals found

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2001 Chevrolet Astro Output Shaft Seal, Rear
Part Number: 12547638
$75.02 MSRP: $128.84
You Save: $53.82 (42%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Seal, Transfer Case Rear Output Shaft; Automatic Transmission Seal; Gasket; Extension Seal; Seal, Transfer Case
- Position: Rear
- Item Weight: 0.50 Pounds
- Item Dimensions: 4.0 x 3.8 x 1.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12547638
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2001 Chevrolet Astro Submodels:
- Base, LS, LT | 6 Cyl 4.3 L GAS
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2001 Chevrolet Astro Extension Housing Seal, Rear
Part Number: 24232325
$14.36 MSRP: $23.64
You Save: $9.28 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Seal, Rear Bearing Retaining; Automatic Transmission Extension Housing Seal; Transmission Seal; Seal, Transmission Rear Main Bearing; Seal, Transmission Extension
- Position: Rear
- Replaces: 24201470
- Item Weight: 0.40 Pounds
- Item Dimensions: 3.7 x 3.8 x 1.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 24232325
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2001 Chevrolet Astro Submodels:
- Base, CL, CS, LS, LT | 6 Cyl 4.3 L GAS

2001 Chevrolet Astro Transfer Case Seal

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2001 Chevrolet Astro Parts Questions & Experts Answers

Q: How to replace the input transfer case seal on 2001 Chevrolet Astro?
A: The first step to replace the Transfer Case input shaft seal requires vehicle elevation followed by Transfer Case assembly extraction while you maintain the integrity of Transfer Case and shaft sealing surfaces throughout seal replacement since seal mishandling can result in leakage or force additional component replacement. The second step requires removal of the Transfer Case input shaft seal. Install the new seal by orienting its part numbers toward the technician's view while ensuring it sits level with the Transfer Case surface. For Transfer Case input shaft seal installation use j 42738 seal installer (J 42738) to position the seal directly onto the input shaft. The process ends by reattaching the Transfer Case assembly followed by fluid level inspection and final vehicle descent.