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Colorado Base
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Engine Mechanical
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Engine Mechanical - 2.5L (LCV)
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Specifications
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Thread Repair Specifications
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Cylinder Head - Top View
Cylinder Head - Top View
Courtesy of GENERAL MOTORS COMPANY
Cylinder Head - Top View
Service Call Out
Thread Size
Insert
Drill
Counterbore Tool
Tap
Driver
Drill Depth (Maximum)
Tap Depth (Maximum)
EN 42385
MM
(IN)
MM
(IN)
1
M6x1.0
205
201
202
203
204
23.0
0.907
23.0
0.907
2
M6x1.0
205
701
none
203
204
23.0
0.907
23.0
0.907