Valves and springs - refit
- Make
- Land Rover
- Model
- Engines Engine Overhaul Manual v8 4.0 4.6
- Section
- Valves and springs - refit
ENGINE
OVERHAUL
13
Engines fitted with secondary air injection (SAI)
1. Using a 5/8 in x 20 TPI (threads per inch) UNF
tap having a class 2A thread, remove deposits
from secondary air injection adapter tappings
in cylinder head.
CAUTION: Ensure that tap used has 20
TPI.
Valves and springs - refit
1. Fit new valve stem oil seals, lubricate valve
stems, fit valves, valve springs and caps,
compress valve springs using LRT-12-034
and fit collets.
2. Using a wooden dowel and mallet, lightly tap
each valve stem two or three times to seat
valve cap and collets.
3. Fit spark plugs and tighten to 20 Nm (15 lbf.ft).
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