OHC and DOHC Petrol
Engines
Cylinder Bore
|
Reboring cylinder
|
12 ST, 13 N, 13 S,
13 NB, C 13 N, 14 NV,
C 14 NZ,
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16 SH, 18 E, C 18 NT,
C 18 NE
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18 SE, E 18 NV, 20 NE,
20 SEH, C 20 NE,
C 20 XE, 20 XE,
20 XEJ
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|
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E 16 NZ, C 16 NZ,
16 SV, C 16 LZ,
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Permissible Oversize
to
0.5 mm (see Parts
microfiche)
|
|
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After reboring,
destroy the original index on the crankcase and stamp in the new oversize
index.
|
|
Bore
|
Permissible
out-of-round: 0.013 mm
Permissible
taper: 0.013 mm
Measure
out-of-round at 4 different levels of the bore
|
|
Piston projection
above upper
edge of cylinder block
|
0 mm
for 1.6 Ltr. = 0.4 mm
|
0.33 mm
|
0.4 mm
|
|
Piston
|
|
Type
|
12 ST, 13 N, 13 S,
13 NB, C 13 N,
E 16 NZ, C 16 NZ,
16 SV, C 16 LZ
|
16 SH, 18 E, C 18 NT,
C 18 NE
Recessed piston
|
18 SE, E 18 NV, 20 NE,
20 SEH, C 20 NE
|
|
Clearance
|
In
short blocks and cylinder blocks with complete pistons, the piston clearance
is:
|
|
|
0.02 mm
|
0.01 mm to 0.03
mm*)
|
|
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In
rebuilding (oversize), depending upon the piston available, clearances of
|
|
|
0.01 to 0.03 mm
|
0.02 to 0.04 mm
|
0.01 to 0.03 mm*)
|
|
|
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are permissible
|
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* On C 20 XE, 20 XE
and 20 XEJ 0.02 to 0.04 mm
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