Corvette V8-5.7L VIN G (1997)
number must be written, using a permanent marker, on the returned driveline support tube before returning the unit to the supplier for analysis.
To increase the effectiveness of the program, the removed driveline support assembly must be returned immediately (not later than 1 week after date of
receipt of replacement unit). Under no circumstances may the removed driveline support be retained or purchased by the dealer.
The removed driveline support must be returned complete, as removed from the vehicle without examination. Dealerships returning units that have been
even partially disassembled will be judged as violating this procedure and as such will be subject to being billed for all materials furnished.
The exchange unit will have an envelope attached to it. This envelope will contain:
^ Return shipping label
^ Reporting form
D. Removal and Installation of Driveline Support Assembly.
Notice:
failure to follow proper installation procedure may result in damaging engine crankshaft thrust bearing.
1.
Remove (2) dust plugs / screws from front of complaint driveline support tube.
2.
Install and tighten (2) M10-1.5 x 55 mm retaining screws to 35 N.m (26 lb ft) (installed screws stay with complaint assembly).
Important:
Excessive torque on screws may permanently deform propeller shaft front bearing bore and inhibit proper bearing rotation.
3.
Loosen hub clamp screw located inside front bell housing.
4.
Remove driveline support assembly per published procedure.
5.
DO NOT REMOVE THE M10-1.5 x 55 mm RETAINING SCREWS FROM EXCHANGE ASSEMBLY AT THIS TIME. Install exchange
driveline support assembly per published procedure (use care not to move propeller shaft; insertion force not greater than 556 Newtons (125 lb)).
6.
Install hub clamp screw "finger tight". DO NOT TIGHTEN HUB CLAMP SCREW.
7.
Remove (2) M10-1.5 x 55 mm retaining screws from EXCHANGE driveline support tube.
8.
Install (2) dust plugs / screws to front of exchange driveline support tube to 50 N.m (37 lb ft).
9.
Run engine to operating temperature (idle or drive for at least 10 minutes).
10. Allow vehicle to cool down to room temperature.
11. Tighten hub clamp screw to 130 N.m (96 lb ft).
12. Install access plug to front bell housing.
E. Preparation For Shipping
Fold the report form, copy of repair order and staple them to the complaint tag and secure the tag to a bell housing bolt hole of the removed unit.
Using a permanent marker, write the T.A.N. case number on the tube of the removed driveline support assembly.
Repack the removed unit into the original shipping container.
Important:
For automatic transmission driveline support assemblies only. The two (2) M10-1.5 X 55 mm retaining screws must remain installed and properly
tightened to prevent propeller shaft movement during shipment.
F. Shipping Instructions
Place the return shipping label on the original shipping container.
If possible, use carrier specified by Unidrive.
The removed driveline support assembly is to be shipped truck freight "COLLECT" to:
UNIDRIVE
20210 9 Mile Rd.
St. Clair Shores, MI 48080
