OHC and DOHC Petrol Engine
Adjusting Values 12 ST, 13 N, 13 S, 13 NB, C 13 N, 14 NV, C 14 NZ,
16 SH, 16 SV,
C
16 LZ, E 16 NZ, C 16 NZ, 18 E, 18 SE, E 18 NV, C 18 NT,
C
18 NE, 20 NE, 20 SEH, C 20 NE, C 20 XE, 20 XE, 20 XEJ
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Valve
clearance Hydraulic valve lash adjuster.
Inlet No
adjustment necessary
Exhaust
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Distributor
- dwell angle Electronic dwell angle control
Distributor -
dwell time
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Ignition timing Pointer on
oil pump housing or rear toothed belt cover (on DOHC engine) must align with
notch on pulley
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Spark plug
electrode gap 0.7 to 0.8 mm except C 16 LZ: 1.1 mm
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Compression The difference
in pressure between the individual cylinders in an engine must not exceed 1
kp/cm2
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Pressure
loss test Pressure loss per cylinder with
engine in perfect condition
no more than max. 25%
i.e. at piston max. 5%
and at valves max. 20%
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