SL L4-1.9L SOHC VIN 9 (1991)
1.
Turn PCM retaining screw with a screwdriver 1/4 turn counterclockwise and remove the PCM from the electronic brake control module and PCM
bracket assembly.
2.
Disconnect the connections from the PCM and remove the PCM from the vehicle.
3.
Make sure the anti-rattle foam is secure in the electronic brake control module and PCM bracket assembly before installation of the new PCM. If
the foam is present, proceed to step 4. If the foam is not present, proceed to steps 3a through 3c and install an adhesive-back foam shim stock.
a.
Cut five, 2-3/4" inch pieces of Kent Industries, 1-1/4" x 1/8" Adhesive-Back Shim Stock (P/N 451) or equivalent.
b.
Install two pieces of the adhesive-back shim stock to the front-side (vertical side as viewed in vehicle) of the electronic brake control module and
PCM bracket assembly, starting 1/2 inch in from the outer edge. The second piece should be spaced 1/2 inch in from the first piece before
installing. (Refer to illustration.)
c.
Install three pieces of the adhesive-back shim stock to the top-side (horizontal side as viewed in the vehicle) of the electronic brake control module
and PCM bracket assembly, starting one inch in from the outer edge. The second and third pieces should be spaced one inch away from the other
pieces before installing. (Refer to illustration.)
NOTICE: To prevent PCM pin damage, make sure connectors are aligned with PCM connector housings before installing the connectors.
4.
Plug the connectors into the new PCM and push the new PCM up into the bracket assembly until two clicks are heard.
IMPORTANT: To help prevent PCM pin damage, a Mylar strip may be over the connector pins on the PCM. Do not remove this Mylar strip.
When the connector is installed it will push the Mylar strip to the base of the connector.
