Piston and Connecting Rod Disassemble (LDE, LED, LFJ, LXV, 2H0,
LUW, LFH)
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Note: Note
installation position of the piston in respect of the connection
rod.
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2. |
Detach the piston from the
connection rod. |
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Note: Do not damage
the bore.
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3. |
Remove the retainer (1) from
the piston eye. |
4. |
Press the piston pin out of
the piston. |
5. |
Remove the piston rings, using
piston ring pliers (1). |
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Remove oil carbon from the groove with a split piston ring,
filed to a wedge-shape. |
6. |
Measure the piston ring
gap. |
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• |
Tension the piston ring in the
cylinder and measure the gap with a feeler gauge. |
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Rectangular compression ring (1): 0.20-0.40 mm
(0.007-0.015 in) |
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Tapered compression ring (2): 0.40-0.60 mm (0.015-0.023
in) |
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Oil scraper ring (3): 0.25-0.75 mm (0.009-0.029 in) |
7. |
Check piston ring vertical
play with a feeler gauge (1) in the piston ring groove.
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Permissible vertical play: |
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• |
Rectangular compression ring
(1): 0.04-0.08 mm (0.001-0.003 in) |
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• |
Tapered compression ring (2):
0.03-0.07 mm (0.001-0.002 in) |
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• |
Oil scraper ring (3):
0.03-0.13 mm (0.001-0.005 in) |
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