Engine dismantling, examination, renovation and reassembly - general information
Dismantling
1 Refer to Chapter 2, Part A, Section 18,
paragraphs 1 to 8 inclusive.
2 A suitable selection of splined and Torx sockets will be required to remove many of the bolts when dismantling the engine.
3 Before dismantling the main engine components, the following externallymounted ancillary components can be removed, with reference to the relevant Chapters of this Manual and the relevant Sections of this Chapter, where applicable.
Inlet manifold (and carburettor, if applicable)
Exhaust manifold
Alternator.
Coolant pump, and thermostat
Alternator/coolant pump drivebelt tensioner
Distributor cap, HT leads and spark plugs
Oil pressure warning lamp switch
Crankshaft speed/position sensor
Oil filter
Dipstick
Engine mounting brackets (if not already done)
Crankcase ventilation pipe and hoses
Clutch
Alternator mounting bracket.
Air conditioning compressor mounting bracket (where applicable).
Engine lifting brackets.
Examination and renovation 4 Refer to Chapter 2, Part A, Section 18, but note that the connecting rod bolts should be renewed on reassembly, and when renewing the cylinder head bolts, the latest type bolts with hexagonal heads should always be used.
Reassembly
5 Proceed as described in Chapter 2, Part A,
Section 18, noting the following:
6 If they have been removed, new cylinder
head bolts (both M11 and M8, of the latest
type with hexagonal heads), flywheel bolts,
and connecting rod bolts must be used.
See also:
Cooling, heating and ventilation systems
The cooling system is of the pressurised pump-assisted thermo-syphon
type. The system consists of the radiator, water pump, thermostat, electric
cooling fan, expansion tank and associated hoses. ...
Crankshaft rear oil seal - renewal
Note: New flywheel/driveplate bolts must be
used on refitting.
1 Remove the flywheel/driveplate and the
engine adapter plate.
2 Extract the seal using an oil seal removal
tool if available. It ma ...
Radiator fan thermal switch - testing, removal and refitting
Testing
1 The thermal switch is located on the side of
the thermostat housing on early OHV engine
models and in the thermostat housing cover
on later OHV versions. On all CVH engines, the
switch ...
