GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Brush Length--Standard 1.2kW

12.3 mm

0.44 in

Brush Length--Minimum 1.2kW

7 mm

0.28 in

Brush Length--Standard 1.4kW

16.5 mm

0.65 in

Brush Length--Minimum 1.4kW

12.0 mm

0.47 in

Commutator Run-Out--Standard

0.05 mm

0.002 in

Commutator Run-Out--Maximum

0.40 mm

0.015 in

Commutator Outside Diameter--Standard

29.4 mm

1.16 in

Commutator Outside Diameter--Minimum

28.8 mm

1.13 in

Commutator Insulation Depth--Standard

0.4-0.6 mm

0.015-0.023 in

Commutator Insulation Depth--Minimum

0.2 mm

0.008 in

Direction of Rotation

Clockwise as viewed from pinion

Number of Pinion Teeth

8

Output

1.2 and 1.4 kwatts

Rating

30 seconds

Solenoid Operating Voltage

8 volts maximum

Starter Motor Current Draw--No--Load-1.2 kW

90 Amps maximum at 11 Volts at 2500 RPM

Starter Motor Current Draw--No--Load--1.4 kW

90 amps max. at 11 volts at 3000 RPM

Starter Motor Current Draw--Load -1.2 kW (11 N·m / 97 lb in of torque 880 RPM)

300 amps at 7.5 volts

Starter Motor Current Draw--Load -1.4 kW (10 N·m / 89 lb in of torque 1000 RPM)

300 amps at 7.7 volts

Starter Motor Current Draw--Locked Rotor -1.2 kW (20 N·m / 14 lb ft of torque)

760 amps max. at 4 volts

Starter Motor Current Draw--Locked Rotor -1.4 kW (23 N·m / 17 lb ft of torque)

980 amps max. at 4 volts

Voltage

12 volts