V8 Engine Overhaul - Oil Pressure By-pass Valve Inspection
ENGINE
30
OVERHAUL
6. Place a straight edge across housing.
7. Using feeler gauges, check clearance between
straight edge and rotors:
Maximum clearance = 0.1 mm (0.004 in)
Oil pressure by-pass valve - inspection
1. Clean by-pass valve components and plunger
bore in timing cover.
2. Check plunger and bore for scoring and that
plunger slides freely in bore with no perceptible
side movement.
3. Check by-pass valve spring for damage and
distortion; check spring free length:
Spring free length = 60.0 mm (2.4 in).