volvo Workshop Repair Guides

Volvo Workshop Service and Repair Manuals

Differential Cover|Adjustments|Page 2955 > < Tools - Installing Clutch and Pressure Plate|Page 2950
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Differential Cover: Adjustments

SPEEDOMETER PICK-UP, ADJUSTMENT AND SEALING

Adjustment of clearance

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Permissible clearance:

12 Toothed wheel - 0.85 ± 0.35 mm (0.0335 ± 0.0138 in)
48 Toothed wheel - 0.60 ± 0.20 mm (0.0236 ± 0.0079 in)
12 Toothed wheel - 0.60 ± 0.13 mm (0.0335 ± 0.0051 in)

Remove oil level plug on inspection cover

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Insert feeler gauge between pick-up and toothed wheel. (0.85 mm or 0.60 mm as applicable)

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Turn pinion

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Move feeler gauge forwards and backwards.

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Measure with progressively thicker gauges (in steps of 0.1 mm) until gauge catches between pick-up and toothed wheel.

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Note clearance.

Remove and measure thickness of existing shim under pick-up

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Undo pick-up nut with box spanner.

Calculate new shim thickness

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Example:
Measured clearance  1.25
Permissible clearance  0.85
Difference 

0.40

Existing shim 

1.60

Reduction 

0.40

New shim 

1.20

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Shims are available in thicknesses of 0.5 to 3.0 mm (0.0197- 0.1181 in), increasing in steps of 0.1 mm (0.0039 in).

Install pick-up and new shim

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Recheck clearance.

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Refit oil level plug

Differential Cover|Adjustments|Page 2955 > < Tools - Installing Clutch and Pressure Plate|Page 2950