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Workhorse L18 Manuals
Manuals and User Guides for Workhorse L18. We have
1
Workhorse L18 manual available for free PDF download: Service Manual
Workhorse L18 Service Manual (130 pages)
2006 ENGINE MECHANICAL
Brand:
Workhorse
| Category:
Engine
| Size: 0.61 MB
Table of Contents
Table of Contents
2
8.1L (L18) Engine
4
Fastener Tightening Specifi Cations L18 (8.1L) Engine
4
Engine Mechanical Specifi Cations L18 (8.1L) Engine
8
Diagnostic Starting Point - Engine Mechanical - (8.1L/ L18 Engine)
14
Base Engine Misfi Re with Abnormal Valve Train Noise
18
Base Engine Misfi Re with Coolant Consumption
19
Base Engine Misfi Re with Excessive Oil Consumption
19
Engine Noise on Start-Up, but Only Lasting a few Seconds
20
Upper Engine Noise, Regardless of Engine Speed
21
Lower Engine Noise, Regardless of Engine Speed
23
Engine Noise under Load
25
Engine will Not Crank - Crankshaft will Not Rotate
26
Coolant in Combustion Chamber
27
Coolant in Engine Oil
28
Engine Compression Test
29
Cylinder Leakage Test
30
Oil Consumption Diagnosis
32
Oil Pressure Diagnosis and Testing
33
Oil Leak Diagnosis
34
Drive Belt Chirping, Squeal, and Whine Diagnosis
37
Diagnostic Aids
42
Drive Belt Falls off and Excessive Wear Diagnosis
46
Base Engine Misfi Re with Abnormal Valve Train Noise
50
Crankcase Ventilation System Description L18 (8.1L) Engine
51
Drive Belt System Description
53
Drive Belt Chirping, Squeal, and Whine Diagnosis
54
Drive Belt Rumbling and Vibration Diagnosis
59
Engine Mechanical
59
Drive Belt Falls off and Excessive Wear Diagnosis
60
Drive Belt Tensioner Diagnosis
64
Engine Component Description (LQ4/LR4)
64
Lubrication Description
67
Separating Parts
68
Replacing Engine Gaskets
69
Use of Room Temperature Vulcanizing (RTV) and Anaerobic Sealer
71
4.8L/6.0 (Lr4/Lq4) Engines
75
Fastener Tightening Specifi Cations
75
(Lr4/Lq4 Vin V/U)
75
Engine Mechanical Specifi Cations (LR4 VIN V)
80
Engine Mechanical Specifi Cations (LQ4 VIN U)
84
Engine Identifi Cation
89
Diagnostic Starting Point - Engine Mechanical (LR4 VIN V & LQ4 VIN U)
89
Base Engine Misfi Re Without Internal Engine Noises
92
Base Engine Misfi Re with Abnormal Internal Lower Engine Noises
95
Base Engine Misfi Re with Abnormal Valve Train Noise
96
Base Engine Misfi Re with Coolant Consumption
97
Base Engine Misfi Re with Excessive Oil Consumption
97
Engine Noise on Start-Up, but Only Lasting a few Seconds
98
Upper Engine Noise, Regardless of Engine Speed
99
Lower Engine Noise, Regardless of Engine Speed
101
Engine Noise under Load
102
Engine will Not Crank - Crankshaft will Not Rotate
103
Coolant in Combustion Chamber
105
Coolant in Engine Oil
106
Engine Compression Test
107
Cylinder Leakage Test
108
Oil Consumption Diagnosis
110
Oil Pressure Diagnosis and Testing
111
Oil Leak Diagnosis
113
Crankcase Ventilation System Inspection/Diagnosis LQ4/LR4 Engine
116
Drive Belt Chirping, Squeal, and Whine Diagnosis
118
Drive Belt Rumbling and Vibration Diagnosis
123
Drive Belt Falls off and Excessive Wear Diagnosis
127
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