WORKHORSE CUSTOM CHASSIS
Service Manual
W SeriesWCC
SECTION
6.2
PAGE
15
Engine Mechanical
W Series Chassis
TOC
© 2006 WorkhorseCustom Chassis — All Rights Reserved
Intermittent
Test the vehicle under the same conditions that the customer reported in order to verify the system is operating
properly.
Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
• Base Engine Misfi re without Internal Engine Noises
• Base Engine Misfi re with Abnormal Internal Lower Engine Noises
• Base Engine Misfi re with Abnormal Valve Train Noise
• Base Engine Misfi re with Coolant Consumption
• Base Engine Misfi re with Excessive Oil Consumption
• Engine Noise on Start-Up, but Only Lasting a Few Seconds
• Upper Engine Noise, Regardless of Engine Speed
• Lower Engine Noise, Regardless of Engine Speed
• Engine Noise Under Load
• Engine Will Not Crank - Crankshaft Will Not Rotate
• Coolant in Combustion Chamber
• Coolant in Engine Oil
• Engine Compression Test
• Cylinder Leakage Test
• Oil Consumption Diagnosis
• Oil Pressure Diagnosis and Testing
• Oil Leak Diagnosis
• Drive Belt Chirping, Squeal, and Whine Diagnosis
• Drive Belt Rumbling and Vibration Diagnosis
• Drive Belt Falls Off and Excessive Wear Diagnosis
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General