2007 GMC Sierra 3500 Classic SLT 6.6L motor
Tapping noise from engine area all the time. Noise does seem at time to be very little after warm up. Vehicle runs fine. Does not misfire or smoke. Noise is not a double tap as when injectors are going out. I ran my scanner and tried to cancel and isolate the ...
FIX posted 6/3/2015
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Message Closed w/FIX
Vehicle Data2007 GMC Sierra 3500 Classic SLT
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Message Closed w/FIX
Vehicle Data
2007 GMC Sierra 3500 Classic SLT
VIN | 1GTHK33D87 |
Engine | 6.6 L / 8 cyl / DIESEL |
Trans | 6-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Affected | Motor |
Conditions | Noisy |