How to replace the front output transfer case seal on 2003 GMC Envoy?

Vehicle elevation is the first step to replace the front transfer case output shaft seal on trailblazer ext and envoy xl models. Start by removing the transfer case shield when present then the front propeller shaft followed by the dust shield which protects the front output shaft. Use a screwdriver to provide gentle tapping pressure along the edge of the front output shaft seal until it becomes loose enough for tooling out using a pry. The front output shaft seal replacement requires the output shaft seal installer (J45236) with the front output shaft seal positioned on the j45236-2. The j45236-1 can be used to set the front output shaft seal after which both j45236-1 and j45236-2 should be discarded. After installing the front output shaft dust shield the next step should be mounting the front propeller shaft. Test the transfer case fluid level before replacing any shields that might be present and then lower the vehicle.

OEM 2003 GMC Envoy Transfer Case Seal

Transfer Case Output Shaft Seal

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2 Transfer Case Seals found

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2003 GMC Envoy Extension Seal, Rear Part Number: 88935685
$77.21 MSRP: $120.93
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Product Specifications
- Other Name: Seal, Transfer Case Rear Output Shaft; Transfer Case Gasket; Seal, Transfer Case
- Position: Rear
- Item Weight: 0.40 Pounds
- Item Dimensions: 3.8 x 3.9 x 1.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 88935685
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2003 GMC Envoy Submodels:
- Denali, SLE, SLT | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
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2003 GMC Envoy Extension Housing Seal, Rear Part Number: 24232325
$14.64 MSRP: $24.12
You Save: $9.48 (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 2003 GMC Envoy Submodels:
- Denali, SLE, SLT | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS

2003 GMC Envoy Transfer Case Seal

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2003 GMC Envoy Transfer Case Seal Parts and Q&A

Q: How to replace the front output transfer case seal on 2003 GMC Envoy?
A: Vehicle elevation is the first step to replace the front transfer case output shaft seal on trailblazer ext and envoy xl models. Start by removing the transfer case shield when present then the front propeller shaft followed by the dust shield which protects the front output shaft. Use a screwdriver to provide gentle tapping pressure along the edge of the front output shaft seal until it becomes loose enough for tooling out using a pry. The front output shaft seal replacement requires the output shaft seal installer (J45236) with the front output shaft seal positioned on the j45236-2. The j45236-1 can be used to set the front output shaft seal after which both j45236-1 and j45236-2 should be discarded. After installing the front output shaft dust shield the next step should be mounting the front propeller shaft. Test the transfer case fluid level before replacing any shields that might be present and then lower the vehicle.