Phoenix L4-151 2.5L VIN 5 2-bbl (1982)
Crankshaft Gear/Sprocket: Technical Service Bulletins
Engine - Install Gear Kit When Servicing Timing Gears
Bulletin Number:
90-6-21
Reference Number:
936103R
Publish Date:
2/90
Subject:
SERVICING CAMSHAFT/CRANKSHAFT GEARS (INSTALL TORSIONAL DAMPER)
Models
Affected:
1977-90 ALL MODELS WITH 2.5L ENGINE CODES R,U,V,2
This bulletin replaces 89-6-29D issued 10/89. This bulletin has been revised to
provide a separate torsional damper for 1985-86 VIN Code U engines which require a
distributor timing mark and to include the 1990 model year. Also, to delete the
third paragraph re:
The 1985-86 Grand Am and Phoenix models as the revised parts
are now available.
When servicing the camshaft and/or crankshaft gears on 2.5L engines, it is recommended that a new gear set kit be used to replace the individual gears.
The gear kit is comprised of a set of camshaft and crankshaft gears for improved wear resistance.
It is also recommended that a crankshaft torsional damper be installed along with the gear set kit. The damper reduces critical crankshaft vibrations
thereby decreasing camshaft and crankshaft gear wear. When the new damper is installed, the old crankshaft pulley may be discarded. If the engine
currently has a damper, it should be reinstalled.
IMPORTANT:
The camshaft/crankshaft gear kit should be installed any time the camshaft or crankshaft gears need to be replaced.
The kit part numbers are as follows:
Gear Kit
Applicable
Torsional Damper
VIN Engine Code
Part Number
Model Years
Part Number
R, V, 2
10101790 :
1977
- 1986
NOT APPLICABLE -
Use existing crank pulley
R
10101790
1987 - 1990
10101369
U
10101789
1985 - 1986
10112485
U
10101789
1987 - 1989
10124651
GMSPO has superseded the individual camshaft gear part numbers with the gear kit part numbers.
Parts are currently available from GMSPO.
Part is expected to be available on February 12, 1990. Until then, normal part orders will not be accepted by GMSPO. Only verifiable emergency VIP
orders will be accepted. SPO will make every effort to obtain parts. All parts will be placed on 400 control to waive VIP surcharges. However, the part
will be shipped premium transportation at dealer's expense. All other order types will be canceled as incorrectly ordered while the 400 control is in place.
For vehicles repaired under warranty use:
Labor Operation:
J0840
For 1987-90 6000
Labor Time :
3.9 Hours
A/C Add
.2 Hour
To Replace Crankshaft Gear - Add
.1 Hour
Locking Wheel Covers and/or Nuts
- Add
.2 Hour
For 1986-89 Grand Am
Labor Time :
4.7 Hours
A/C - Add
.1 Hour
To Replace Crankshaft Gear - Add
.1 Hour
Locking Wheel Covers and/or Nuts
- Add
.2 Hour
