Camshaft - Radial Clearance
84audi1Applies To 4000
5000
Group
15
Subject
Cylinder Head
Part Identifier N/A
Key Points
Camshaft radial clearance
A 58
Number
84-02
March 2, 1984
Camshaft radial clearance, checking
Work sequence
- remove camshaft sprocket
- remove camshaft and cam followers (mark followers)
- remove oil seal
- clean camshaft bearing caps, seats and journals
- place camshaft on cylinder head so cam lobes do not touch valve spring retainers or valves
- lay Plastigage across journal
- install bearing caps in correct position and tighten to 20 N-m (14 ft.lb.)
CAUTION
Do not rotate camshaft.
- remove bearing caps
- compare width of Plastigage with measuring scale
^ wear limit - 0.1 mm (0.004 in.)
Note
If this limit is exceeded, check the radial clearance again with a new camshaft. If the clearance with a new camshaft also exceeds the wear limit, the cylinder head must be replaced.
- after completing repairs, check and adjust valve clearances