2003 GMC C1500 rod bearing clearance

Tiny
DAVID L WILLIAMS
  • MEMBER
  • 2003 GMC C1500
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 100,250 MILES
Change crankshaft due to two rod bearing knot.
with new crankshaft install check with plastigage
it 4 thousand clearance. Is this servieable.
Tuesday, October 28th, 2008 AT 10:30 AM

1 Reply

Tiny
DENNYP
  • MECHANIC
  • 1,823 POSTS
It is out of spec.

Connecting Rod

Connecting Rod Bearing Clearance - Production
0.038-0.078 mm
0.0015-0.0031 in

Connecting Rod Bearing Clearance - Service
0.025-0.063 mm
0.0010-0.0025 in

Connecting Rod Side Clearance
0.15-0.44 mm
0.006-0.017 in

Crankshaft

Connecting Rod Journal Diameter
57.116-57.148 mm
2.2487-2.2497 in

Connecting Rod Journal Out-of-Round - Production
0.008 mm
0.0003 in

Connecting Rod Journal Out-of-Round - Service
0.025 mm
0.0010 in

Connecting Rod Journal Taper - Production
0.010 mm
0.0004 in

Connecting Rod Journal Taper - Service
0.025 mm
0.0010 in

Crankshaft End Play
0.050-0.20 mm
0.002-0.008 in

Crankshaft Main Bearing Clearance #1 - Production
0.02-0.05 mm
0.0008-0.0020 in

Crankshaft Main Bearing Clearance #2, #3, and #4 - Production
0.028-0.058 mm
0.0011-0.0023 in

Crankshaft Main Bearing Clearance #1 - Service
0.0254-0.05 mm
0.0010-0.0020 in

Crankshaft Main Bearing Clearance #2, #3, and #4 - Service
0.025-0.063 mm
0.0010-0.0025 in

Crankshaft Main Journal Diameter #1
62.199-62.217 mm
2.4488-2.4495 in

Crankshaft Main Journal Diameter #2 and #3
62.191-62.215 mm
2.4485-2.4494 in

Crankshaft Main Journal Diameter #4
62.179-62.203 mm
2.4480-2.4489 in

Crankshaft Main Journal Out-of-Round - Production
0.005 mm
0.0002 in

Crankshaft Main Journal Out-of-Round - Service
0.025 mm
0.0010 in

Crankshaft Main Journal Taper
0.007 mm
0.0003 in
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Tuesday, October 28th, 2008 AT 11:16 AM

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