Symptom List

WARNING: This page is about a different car, the 2002 Pontiac Montana, 2002 Oldsmobile Silhouette, and 2002 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:

Base Engine Misfire without Internal Engine Noises. See Fig 1 .
Base Engine Misfire with Abnormal Internal Lower Engine Noises. See Fig 2 .
Base Engine Misfire with Abnormal Valve Train Noise. See Fig 3 .
Base Engine Misfire with Coolant Consumption. See Fig 4 .
Base Engine Misfire with Excessive Oil Consumption. See Fig 5 .
Engine Compression Test .
Engine Noise on Start-Up, but Only Lasting a Few Seconds. See Fig 6 .
Upper Engine Noise, Regardless of Engine Speed. See Fig 7 .
Lower Engine Noise, Regardless of Engine Speed. See Fig 9 .
Engine Noise Under Load. See Fig 10 .
Engine Will Not Crank - Crankshaft Will Not Rotate. See Fig 11 .
Oil Consumption Diagnosis .
Oil Pressure Diagnosis and Testing .
Oil Leak Diagnosis .
Drive Belt Chirping Diagnosis .
Drive Belt Squeal Diagnosis .
Drive Belt Whine Diagnosis. See Figure .
Drive Belt Rumbling Diagnosis .
Drive Belt Vibration Diagnosis .
Drive Belt Falls Off Diagnosis .
Drive Belt Excessive Wear Diagnosis .
Drive Belt Tensioner Diagnosis. See Figure .

Fig 1: Base Engine Misfire without Internal Engine Noises
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Fig 2: Base Engine Misfire with Abnormal Internal Lower Engine Noises
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Fig 3: Base Engine Misfire with Abnormal Valve Train Noise
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Fig 4: Base Engine Misfire with Coolant Consumption
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Fig 5: Base Engine Misfire with Excessive Oil Consumption
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Fig 6: Engine Noise on Start-Up, but Only Lasting a Few Seconds
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Fig 7: Upper Engine Noise, Regardless of Engine Speed (1 Of 2)
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Fig 8: Upper Engine Noise, Regardless of Engine Speed (2 Of 2)
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Fig 9: Lower Engine Noise, Regardless of Engine Speed
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Fig 10: Engine Noise Under Load
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Fig 11: Engine Will Not Crank - Crankshaft Will Not Rotate
Courtesy of GENERAL MOTORS CORP.