Chevrolet 1988 Light Duty Truck Repair Manual page 358

6A1-6 2.5 LITER L4 ENGINE
50. Push Rod Cover
51. P iston and Pin
52. Piston Rings
53. C o n n e ctin g Rod
54. C o n n e ctin g Rod B olt
55. C o n n e ctin g Rod Bearings
56. C on ne cting Rod N ut
57. Oil Level In d ica to r
58. Oil Level In d ic a to r Tube
59. Seal
60. G uide R etainer Stud
61. Plug
62. Plug
63. Pin
64. B lo ck Drain B o lt
65. T im in g In d ica to r Stud
66. Bolt
67. Flywheel
68. Spacer
69. C lu tch P ilot Bearing
70. C ra nksh a ft Insert
71. C ra nksh a ft Rear Oil Seal
72. C rankshaft Rear Bearing
73. Oil Pan Drain Screw
74. G asket
75. B olt
76. Oil Pan
INTAKE MANIFOLD REMOVAL
R em o ve or D is c o n n e c t (F ig u re 6)
1. Vacuum lines and electrical connectors, as needed.
2. Intake manifold bolts and washers.
3. Intake manifold.
4. Gasket.
EXHAUST MANIFOLD REMOVAL
R em o ve or D is c o n n e c t (F ig u re 7)
1. Thermae heat stove pipe at the exhaust manifold.
2. Oxygen sensor wire. Remove the oxygen sensor
only if the exhaust manifold is to be replaced.
3. Exhaust manifold bolts and washers.
4. Exhaust manifold and gasket.
77. Oil Pum p
78. Nut
79. Pin
80. Spring
81. B olt ~
82. Oil Pump Cover
83. Oil Pum p Cover G asket
84. B olt
85. Oil Pressure R egulator Valve
86. C ra nksh a ft Bearings
87. C rankshaft Gear
88. C rankshaft
89. Key
90. T im in g In d ica to r
91. Oil Pum p S haft Lower
Bearing
92. Plug
93. T im in g Gear Oil Nozzle
94. Bolt
95. C ra nksh a ft Pulley
96. B olt
97. C ra nksh a ft and Power Steering 122. Valve L ifte r G uide
Pulley
98. B olt
99. W asher
100. C ra nksh a ft Pulley Hub
101. F ront Cover Seal
Figure 4 — Block and Com ponents
+ +
2. Therm ostat housing bolts.
+-► R em o ve or D isco n n ec t (F ig u re 8)
2. Water pum p pulley.
102. F ront Cover
103. Screw
104. C am shaft Gear
105. C am shaft T h ru s t Bearing
106. C am shaft Gear S pacing Ring
107. Key
108. C am shaft
109. C am sha ft Bearing
110. B olt
111. C oo lan t Pum p
112. G asket
113. Oil Pum p S haft U pper Bearing
114. Oil Pum p Drive S haft Gear
115. Oil Pum p Drive S haft
116. C o n n e ctin g Rod Cap
117. B olt
118. Oil Pum p Drive S haft Cover
Plate
119. B lock
120. C y lin d e r Head Dowel Pin
121. H ydrau lic R oller L ifte r
123. L ifte r G uide R etainer
124. Main Bearing Cap
125. Bolt
126. Rear M ain Bearing Cap
THERMOSTAT HOUSING
REMOVAL
R em o ve or D isc o n n ec t (F ig u re 5)
1. Therm ostat bypass hose.
3. Therm ostat housing and gasket.
WATER PUMP REMOVAL
1. Fan and fan clutch.
3. Bolts.
4. W ater pump.
5. Gasket.
F-01982