Storm L4-1600cc 1.6L DOHC (1991)
Control Module: All Technical Service Bulletins
A/T Control Module - Replacement Update
Number: 91-519-7A
Section: 7A
Date: OCT. 1992
Corporate Bulletin No.: 237103
ASE No: A2
Subject:
AUTOMATIC TRANSAXLE CONTROL MODULE (TCM) REPLACEMENT
Model and Year:
1990-91 GEO STORM GSI WITH 4-SPEED AUTOMATIC TRANSAXLE
SERVICE UPDATE
This bulletin is an amendment to Section 7A of the 1990-91 Geo Storm Service Manuals ST371-90 and ST370-91. Refer to this bulletin for information
concerning Transaxle Control Module (TCM) replacement procedures on 1990-91 Geo Storm GSi vehicles equipped with the JF403E 4-speed automatic
transaxle.
On-Vehicle Service
Transaxle Control Module (TCM)
Remove or Disconnect
1.
Negative (-) battery cable.
2.
Switch bezel from instrument panel (pry off with a screwdriver or similar tool) and disconnect electrical connectors from switches.
3.
Cigar lighter bezel from instrument panel (pry off with a screwdriver or similar tool) and disconnect cigar lighter electrical connector.
4.
Two screws and hood latch release handle from hood latch release cable and knee bolster.
5.
Five screws, one nut, one bolt and knee bolster from instrument panel (Figure 1).
