AMC 4.2L 258 CID Manuals

Manuals and User Guides for AMC 4.2L 258 CID. We have 1 AMC 4.2L 258 CID manual available for free PDF download: Service Manual

AMC 4.2L 258 CID Service Manual (67 pages)

For Jeep 1986 Cherokee, Jeep 1986 Wagoneer, Jeep 1986 Comanche, Jeep 1986 YJ, Jeep 1986 Wrangler, Jeep 1986 CJ-7, Jeep 1986 Scrambler, Jeep 1986 Grand Wagoneer, Jeep 1986 Truck, Jeep 1986 Eagle

Brand: AMC | Category: Engine | Size: 9.03 MB

Contents
3
Torque Specifications
4
Cylinder Head Installation
5
Filing Information
5
General Description
7
Engne Identification Information
7
Cylinder Head Assembly Components
8
Cylinder Head Components
9
Cylinder Block Components
12
General Information
14
Engine Identification
14
Build Date Code
14
Code Letter Explanation
14
Oversize or Undersize Components
15
Oversize or Undersize Code Component Letter Explanation
15
Special Tools
16
Engine Specifications
22
Cylinder Head Disassembly
26
Intake Manifold Removal
26
Exhaust Manifold Removal
26
Cylinder Head Cover Removal
27
Cylinder Head Removal
28
Hydraulic Valve Tappet Removal
29
Cleaning and Inspection
29
Valve Removal
29
Valve Refacing
30
Valve Seat Refacing
30
Valve Stem Oil Deflector Replacement
31
Valve Guide Replacement
31
Valve Stem-To-Guide Clearance Measurement
31
Preferred Method
31
Valve Spring Tension Test
32
Alternate Method
32
Hydraulic Valve Tappet Disassembly
33
Hydraulic Valve Tappet Assembly
33
Water Pump Removal
34
Vibration Damper Removal
34
Timing Case Cover Removal
34
Camshaft Removal
34
Oil Pan Removal
35
Oil Pump Removal
35
Lubrication System Components
36
Oil Pump Gear End Clearance Measurement
38
Oil Pump Gear-To-Body Clearance Measurement
39
Oil Pump Assembly
39
Connecting Rod and Piston Removal
40
Crankshaft Removal
40
Cylinder Bore Measurement
41
Cylinder Bore Resurfacing
41
Cylinder Block Assembly
42
Piston Pin Removal
42
Piston Pin Inspection
42
Piston Pin Installation
42
Piston Fitting - Micrometer Method
43
Feeler Gauge Method
43
Piston Ring Fitting
44
Piston Ring Side Clearance Measurements
44
Piston Ring Installation
45
Crankshaft Installation
46
Crankshaft End Play Measurement
46
Main Bearing Description
47
Bearing Insert Pairs
47
Main Bearing-To-Journal Clearance Measurement
47
Main Bearing Journal Diameter Measurement
48
Main Bearing Fitting Chart
49
Rear Main Bearing Oil Seal Installation
50
Connecting Rod Installation
51
Connecting Rod Bearings
52
Connecting Rod Bearing Inspection
52
Connecting Rod Bearing Installation
52
Connecting Rod Bearing-To-Journal Clearance Measurement
53
Side Clearance Measurement
54
Connecting Rod Bearing Fitting Chart
55
Oil Pump Installation
56
Camshaft Bearing Description
57
Camshaft Installation
57
Timing Case Cover Installation
58
Oil Pan Installation
59
Water Pump Installation
60
Fuel Pump Installation
60
Vibration Damper Installation
60
Valve Installation
60
Hydraulic Valve Tappet Leak-Down Test
61
Hydraulic Valve Tappet Installation
62
Cylinder Head Bolt Tightening Sequence
63
Cylinder Head Cover Installation
65
Intake Manifold Installation
66
Exhaust Manifold Installation
66

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AMC 4.2L 258 CID Manuals

AMC 4.2L 258 CID Service Manual (67 pages)

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