
1990 GMC C3500 Sierra 7.4L Alternator
Hello Techs. This GMC truck has a problem of distroying the alternator front bearing or pulley over a matter of a month to a year. Five alternators have been replaced on this vehicle all rebuilt 105 amp units. Alt belt lenght has been chacked 97". Engine has n...
FIX posted 2/11/2005
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Message Closed w/FIX
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VIN | 1GDJC34N1L |
Engine | 7.4 L / 8 cyl / GAS |
Trans | 3-speed Automatic |
Delivery | FI |
Affected | Alternator |
Conditions | Unit Failure |
Message Closed w/FIX
Vehicle Data
1990 GMC C3500 Sierra
VIN | 1GDJC34N1L |
Engine | 7.4 L / 8 cyl / GAS |
Trans | 3-speed Automatic |
Delivery | FI |
Affected | Alternator |
Conditions | Unit Failure |