GMC 1990 Light Truck Repair Manual page 479

93. Screw
94. Camshaft Gear
95. Thrust Plate
96. Key
97. Spacer
98. Outer Cam shaft Bearing
99. Inner Cam shaft Bearing
100
. Hydraulic Lifter
101
. Top Com pression Ring
102
. Second Com pression Ring
103. Rail
104. Expander
105. Oil Control Ring
106. Piston Pin
107. Piston
108. Connecting Rod
109. Connecting Rod Stud
110
. Connecting Rod Cap
111
. Nut
112
. Upper Connecting Rod Bearing Insert
113. Lower C onnecting Rod Bearing Insert
114. Gasket
115. Block
116. Plug
117. Rear Cam shaft Plug
118. Flywheel
119. Flywheel Housing
120
. Bolt
121
. Dowel
122
. Bolt
123. Plug
124. Dowel
125. Extention
126. Inspection Cover
127. Bolt
128. Bolt
129. Plug
130. Upper Main Bearing Inserts
131. Drain Plug
132. Upper Seal Half
133. Upper Rear Main Bearing Insert
134. Dowel Pin
135. Lower Seal Half
136. Lower Rear Main Bearing Insert
137. Rear Main Bearing Cap
138. Bolt
139. Bolt (Special)
140. Screen
141. Rear Oil Pan Seal
142. Gasket
143. Washer
144. Drain Plug
Figure 6—Block and Components
4.8 LITER L6 6A4-7
145. Bolt
146. Oil Pan
147. Front Oil Pan Seal
148. Bolt
149. Nut
150. Bolt
151. Oil Pump
152. Main Bearing Caps
153. Lower Main Bearing Inserts
154. Crankshaft
155. Crankshaft Gear
156. Key
157. Tim ing Gear Cover
158. Seal
159. Washer
160. Bolt
161. Washer
162. Torsional Damper
163. Key
164. Bolt
165. Plug
166. Gasket
167. Nipple
168. Plug
169. Gasket
170. Bolt
171. Water Pump
172. Nipple
173. C onnector
174. Oil Filter
175. Bolt
176. Fuel Pump
177. Gasket
178. Bolt
179. Pushrod Cover
180. D ipstick Tube
181. D ipstick
182. Cam shaft
F-04941