DSG-423 GENERAL INFORMATION
01-30
Connecting Rod Piston Pin Side Clearance
• Measure the clearance between the connecting rod
and the piston. Verify the measurement is within
specification.
Connecting Rod Journal Clearance
NOTE: The crankshaft connecting rod journals must be
within specifications to check the connecting rod
bearing journal clearances.
CAUTION: The connecting rod bolts are torque to
yield and must be discarded and replaced after this
diagnostic test.
1. Remove the connecting rod bearing cap.
2. Position a piece of Plastigage® across the bearing
surface.
NOTE: Do not turn the crankshaft during this step.
3. Install and torque to specifications, then remove the
connecting rod bearing cap.
4. Measure the Plastigage® to get the connecting rod
bearing journal clearance. The Plastigage® should
be smooth and flat. A change width indicates a
tapered or damaged connecting rod bearing or
connecting rod.
Special Tool(s)
Plastigage®
D81L-6002-B or Equivalent
Special Service Tools called for
by the procedures can be
obtained by calling:
1-800-ROTUNDA
(1-800-768-8632)
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