Vanagon L4-1588cc 1.6L DSL SOHC (1983)
Valve Clearance: Adjustments
With Mechanical Lifters
Valve Play, Checking and Adjusting
Check and adjust valve play when engine is warm (coolant temperature above 35°C, cylinder head warm to touch)
Adjust valve play, using adjusting disc (thickness: 3.00-4.25)
Desired values, warm:
Intake valve 0.20-0.30 mm
Exhaust valve 0.40-0.50 mm
After preforming repairs on the cylinder head, adjust the valve play with a cold engine
Desired values, cold:
Intake valve 0.15-0.25 mm
Exhaust valve 0.35-0.45 mm
NOTE:
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After cylinder head repairs, valve play must be checked and if necessary adjusted after approx. 1000 miles
-
Thickness of valve adjusting disc is etched on underside. When installing be sure that markings face downward towards cam follower. Discs can
be reused if not worn or damaged.
Sequence
- adjust crankshaft and camshaft so that the cam lobes of the cylinder being adjusted point upwards
Valve play, checking
A = Exhaust valve
B = Intake valve
Valve play, adjusting
NOTE: When adjusting valves, pistons must not be at TDC. Turn crankshaft about 1/4 turn past TDC so that valves do not contact pistons when cam
followers are pressed down.
- press cam follower downwards with tool 2078
- remove adjusting disc with tool 10-208
- install required adjusting disc (numbering must point downwards)