
16. INSPECT CAMSHAFT THRUST CLEARANCE
(a) Clean and install the camshaft and bearing caps.
(b) Using a dial gauge, measure the thrust clearance while moving the camshaft back and forth.
Standard thrust clearance: 0.08 — 0.19 mm (0.0031 — 0.0075 in.)
Maximum thrust clearance: 0.30 mm (0.0118 in.)
If clearance is greater than maximum, replace the camshaft and/or cylinder head.
17. INSPECT VALVE LIFTER OIL CLEARANCE
(a) Using a micrometer, measure the diameter of the valve lifter.
Valve lifter diameter: 27.975 — 27.985 mm (1.1014 — 1.1018 in.)
(b) Using a dial indicator, measure the inside diameter of the cylinder head bore.
Lifter bore diameter: 28.000 — 28.021 mm (1.1024 — 1.1032 in.)
(c) Subtract the valve lifter measurement from the cylinder head bore.
Standard oil clearance: 0.015 — 0.046 mm (0.0006 — 0.0018 in.)
Maximum oil clearance: 0.10 mm (0.0039 in.)
If clearance is greater than maximum, replace the cylinder head and/or valve lifter.
18. INSPECT INTAKE, EXHAUST MANIFOLDS AND AIR IN-TAKE CHAMBER
Using a precision straight edge and thickness gauge, check the surfaces contacting the cylinder head or intake manifold for warpage.
Maximum warpage:
Intake manifold 0.10 mm (0.0039in.)
Exhaust manifold 7M-GE 0.75 mm (0.0295in.)
7M-GTE 0.50 mm (0.0197in.)
Intake chamber 0.10 mm (0.0039in.)
Intake Manifold
Exhaust Manifold
Air Intake Chamber
EM2682
EM2683
EM2684
EM2662