Workhorse W Series User Manual

WORKHORSE CUSTOM CHASSIS
Service Manual
W SeriesWCC
SECTION
6.2
PAGE
103
Engine Mechanical
W Series Chassis
TOC
© 2006 WorkhorseCustom Chassis — All Rights Reserved
ENGINE WILL NOT CRANK - CRANKSHAFT WILL NOT ROTATE
Cause Correction
Seized accessory drive system component or starter motor 1. Remove the accessory drive belts.
2. Confi rm that the engine will rotate. Rotate the crankshaft by hand at
the balancer or fl ywheel location.
3. Repair or replace the components, as required.
Seized automatic transmission torque converter 1. Remove the torque converter-to-fl ywheel bolts.
2. Confi rm that the engine will rotate. Rotate the crankshaft by hand at
the crankshaft balancer or fl ywheel location.
3. Repair or replace the components, as required.
Broken timing chain 1. Inspect the timing chain, gears.
2. Repair or replace the components, as required.
Seized timing chain or timing gears 1. Inspect the timing chain and gears for foreign material or a seized
chain.
2. Repair or replace the components, as required.
Seized or broken camshaft 1. Inspect the camshaft and camshaft bearings.
2. Repair or replace components, as required.
Bent valve in cylinder head 1. Inspect the valves and cylinder heads.
2. Repair or replace components, as required.
Seized oil pump 1. Inspect the oil pump assembly.
2. Repair or replace, as required.
Hydraulically locked cylinder:
• Coolant/antifreeze in cylinder
• Oil in cylinder
• Fuel in cylinder
1. Remove the spark plugs and inspect for fl uid in the cylinder. When
rotating the eingine with the spark plutgs removed, the piston, on
compression stroke, will push fl uid from the combustion chamber.
Refer to the Coolant in Combustion Chamber.
2. Inspect for failed/broken head gaskets.
3. Inspect for cracked engine block or cylinder head.
4. Inspect for a sticking fuel injector.
5. Repair or replace the components, as required.

Workhorse W Series Specifications

General

Brand	Workhorse
Model	W Series
Category	Engine
Language	English