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SMU - Revised Rear Axle Fluid Capacity and Fluid Level Checking Specification

Subject:Revised Rear Axle Fluid Capacity and Fluid Level Checking Specification

Models:2005-2007 Buick Rainier
2005-2007 Chevrolet TrailBlazer Models
2005-2007 GMC Envoy Models



This bulletin is being issued to revise the rear axle fluid capacity and fluid level checking specification in the Rear Axle sub-section of the Service Manual. Please replace the current information in the Service Manual with the following information.

The following information has been updated within SI. If you are using a paper version of this Service Manual, please make a reference to this bulletin on the affected page.

2005-2006 Model Year

Application

L6 Engine (LL8)

V8 Engine (LH6)

V8 Engine (LS2)

Metric

English

Metric

English

Metric

English

Differential Fluid - Rear

  • Chevrolet, GMC Short W/B - 8.0 Inch Axle

1.7 L

The correct fluid level is 0-10 mm below the fill plug opening.

3.6 pints

The correct fluid level is 0-0.4 in below the fill plug opening.

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  • Buick Short W/B, All Long W/B, Chevrolet and GMC Short W/B with 18" Wheels - 8.6 Inch Axle

2.0 L

The correct fluid level is 0-10 mm below the fill plug opening.

4.2 pints

The correct fluid level is 0-0.4 in below the fill plug opening.

2.0 L

The correct fluid level is 0-10 mm below the fill plug opening.

4.2 pints

The correct fluid level is 0-0.4 in below the fill plug opening.

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  • Chevrolet Short W/B w/RPO G86 - 9.5 Inch LD Axle

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2.6 L*

The correct fluid level is 15-40 mm below the fill plug opening.

5.5 pints*

The correct fluid level is 0.6-1.6 in below the fill plug opening.

* With a complete drain/refill, add 163 ml (5.5 oz) of limited slip axle lubricant additive to the axle in addition to the axle lubricant.

2007 Model Year

Application

Specification

Metric

English

Differential Fluid - Rear Axle

  • 4.2L Engine (RPO LL8)

1.7 L

The correct fluid level is 0-10 mm below the fill plug opening.

3.6 pt

The correct fluid level is 0-0.4 in below the fill plug opening.

  • 4.2L Engine (RPO LL8) w/opt. 18 inch wheels

2.0 L

The correct fluid level is 0-10 mm below the fill plug opening.

4.3 pt

The correct fluid level is 0-0.4 in below the fill plug opening.

  • 5.3L Engine (RPO LH6)

2.0 L

The correct fluid level is 0-10 mm below the fill plug opening.

4.3 pt

The correct fluid level is 0-0.4 in below the fill plug opening.

  • 6.0L Engine (RPO LS2)

2.6L

The correct fluid level is 15-40 mm below the fill plug opening.*

5.5 pt

The correct fluid level is 0.6-1.6 in below the fill plug opening.*

* With a complete drain/refill, add 163 ml (5.5 oz) of Limited Slip Axle Lubricant to the axle in addition to the axle lubricant.