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Piston, Engine|Service and Repair > < All Technical Service Bulletins for Piston:|89622|Page 1069
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Piston: All Technical Service Bulletins
Engine - Piston-to-Bore Clearances

Bulletin:

88-6-18

Date:

June, '88

Ref. No.:  88-142-6

Corp. Ref. No.: 836109
SUBJECT:

PISTON-TO-BORE CLEARANCES

MODELS AFFECTED: 1982-88 SKYHAWKS WITH L-4 OHV ENGINES (VIN CODES 1, G, P)

SERVICE MANUAL UPDATE

Service manual specification for the piston-to-bore clearance needs to be corrected. Following is the current model year correction, along with a
restatement of past model years:

1987-88 Skyhawks With VIN Code 1 Engines:

Piston-to-bore clearance

=

.001"

-

.0022"

(.025 mm

-

.055 mm)

Piston-to-pin clearance

=

.0004"

-

.0009"

(.010 mm

-

.022 mm)

1982 thru 1986 Skyhawks With VIN Code G, P Engines:

Piston-to-bore clearance

=

.0007"

-

.0017"

(.017 mm

-

.043 mm)

Piston-to-pin clearance

1982-1984

=

.0003"

-

.0004"

(.007 mm

-

.009 mm)

1985-1986

=

.0002"

-

.0007"

(Production)

(.005 mm

-

.010 mm)

1985-1986

=

.0004"

-

.0009"

(Revised Service Parts)

(.010 mm

-

.022 mm)

Please take appropriate action to correct your service manual and inform your service personnel.

This bulletin is for information only.

Piston, Engine|Service and Repair > < All Technical Service Bulletins for Piston:|89622|Page 1069