Major operations possible with the engine in the car
The following work can be carried out without having to remove the engine: a) Cylinder head - removal and refitting.
b) Valve clearances - adjustment (see Chapter 1).
c) Sump - removal and refitting.
d) Rocker gear - overhaul.
e) Crankshaft front oil seal - renewal .
f) Pistons/connecting rods - removal and refitting.
g) Engine mountings - renewal.
h) Oil filter - removal and refitting.
I) Oil pump - removal and refitting.
See also:
Exhaust gas oxygen (HEGO) sensor (2.0 litre DOHC/1.6 & 1.8 litre (R6A type)
CVH) - removal and refitting
Note: Do not touch the tip of the HEGO
sensor as this will drastically shorten its
service life.
Note: A new sealing ring should be used on
refitting.
Removal
1 Ensure that the engine and the ex ...
General information
1.6 litre engine
The 1.6 litre CVH engine was introduced in
September 1991, to replace the 1.6 litre
SOHC engine used previously in the Sierra
range. The engine is broadly similar to the 1.8
litr ...
Cylinder head and pistons - decarbonising
OHV engines
1 With the cylinder head removed (Section 4),
the carbon deposits should be removed from
the combustion spaces using a scraper and a
wire brush fitted into an electric drill. Take care ...
