Cavalier/Z24 L4-134 2.2L (1991)
Backup Lamp Switch: Service and Repair
Automatic Transmission
On vehicles equipped with automatic transmission, the neutral start and back-up light switches are combined into one unit and must be replaced as an
assembly.
1.
Disconnect battery ground cable.
2.
On 1989 Skyhawk and 1989-90 Cavalier models, remove console assembly as follows:
a.
Apply parking brake and block wheels, then place gear shift lever in Neutral position.
b.
Remove front ashtray, then remove two console attaching screws through ashtray opening.
c.
Carefully pry button from center of shift lever knob, then remove snap ring retaining knob.
d.
Pull front of console trim cover upward, then lift trim cover from console and disconnect wire connector.
e.
Remove three screws attaching front of console to mounting bracket.
f.
Remove rear ashtray, then remove screw attaching console to rear support.
g.
Remove console assembly. On models equipped with arm rest, it may be necessary to remove arm rest assembly to provide clearance
for console removal.
3.
On Sunbird models, remove console assembly as follows:
a. Position gear selector in Neutral and block wheels. Do not apply parking brake.
b. Carefully pry accessory trim panel, right and left side panels outward from console assembly.
c. Remove console to instrument panel attaching nuts.
d. Remove console assembly to console upper bracket attaching screws.
e. Disconnect tape and disc player electrical connectors, then remove upper console bracket.
f.
Remove shift lever knob to shift lever attaching setscrew or retainer, then pry shift lever trim plate upward.
g. Remove rear ashtray to console rear trim plate attaching screws, then remove rear ashtray.
h. Remove console rear trim plate to console rear bracket attaching screw.
i.
On models equipped with armrest, remove armrest inner compartment attaching screw, then remove armrest to console rear bracket
attaching screws, then remove armrest assembly.
j.
On all models, remove parking brake assembly and console from console mounting brackets.
4.
On 1991-92 Cavalier models, remove console assembly as follows:
a. Carefully pry accessory trim panel outward.
b. Open ashtray, then remove attaching screw.
c. Remove shift lever knob to shift lever attaching retainer.
d. Disconnect cigar lighter electrical connector, then remove shifter trim plate.
e. Remove upper and lower A/C-Heater control attaching screws.
f.
Disconnect radio electrical connector and antenna lead, then remove radio assembly.
g. Disconnect A/C-Heater control electrical connectors and vacuum harness, then remove bowden cable to A/C-Heater control attaching screw,
then remove A/C-Heater control assembly.
h. Remove console to instrument panel attaching screws.
i.
Remove console rear storage compartment attaching screws.
j.
Disconnect remaining console electrical connectors, then remove console assembly.
k. Remove console extension to front console bracket and shift control bracket attaching screws, then remove console extension.
5.
On all models, disconnect wire connector from Neutral Safety/Back-up light switch.
6.
Remove screws attaching switch to shifter lever, then remove switch.
7.
If the same switch is to be reinstalled, proceed as follows:
a.
Place shift lever in Neutral position.
b. Position switch to shift lever and loosely install attaching screws.
c.
Rotate switch on shifter to align adjustment hole with carrier tang, then insert a 3/32 inch maximum diameter pin into hole to a depth of 9/64
inch.
d.
On models, except 1991-92 Cavalier, torque switch attaching screws to 22 ft. lbs., then remove gauge pin. On 1991-92 Cavalier models,
torque switch attaching screw to 18 ft. lbs., then remove gauge pin.
8.
If a new replacement switch is to be installed, proceed as follows:
a.
Position shift lever in the Neutral position.
b.
Align shift shaft flats to switch flats.
c. On models except 1991-92 Cavalier, torque switch attaching bolts to 22 ft. lbs. On 1991-92 Cavalier models, torque switch attaching bolts to
18 ft. lbs. If mounting bolts do not align with mounting holes ensure shift shaft is in Neutral position. Do not rotate switch.
d. Ensure engine will only start in Park or Neutral.
e. If engine will start in any other position place shift lever in Neutral position.
f.
Position switch to shift lever and loosen switch attaching screws.
g. Rotate switch on shifter assembly to align service adjustment hole with carrier tang hole, then insert a 3/32 inch maximum diameter gauge pin
into hole to a depth of 5/8 inch.
h. Torque switch attaching screws to previous specified torque, then remove gauge pin.
9.
Install console and connect battery ground cable.
10.
Check to ensure that vehicle will not start in any shift lever position except Neutral and Park.
