V8 Engine 3.5 3.9 4.2
ENGINE
32
OVERHAUL
Oil pressure by-pass valve - refit
1. Lubricate new ’O’ ring with engine oil and fit to
by-pass valve plug.
2. Lubricate by-pass valve spring, plunger and
plunger bore with engine oil.
3. Assemble plunger to by-pass valve spring,
insert plunger and spring into bore.
4. Fit by-pass valve plug, depress plug and fit
circlip.
5. Ensure circlip is fully seated in groove.
Oil pressure relief valve - refit
1. Lubricate new ’O’ ring with engine oil and fit to
relief valve plug.
2. Lubricate relief valve spring, piston and piston
bore with engine oil.
3. Assemble piston to relief valve spring, insert
piston and spring into piston bore.
4. Fit relief valve plug, depress plug and fit circlip.
5. Ensure circlip is fully seated in groove.
