Content .. 1686 1687 1688 1689 ..
Hummer H2. Manual - part 1688
engine RPM
engine RPM
Oil Pan
z
Front Cover Alignment - at Oil Pan Surface
0.0-0.5 mm
0.0-0.02 in
z
Rear Cover Alignment - at Oil Pan Surface
0.0-0.5 mm
0.0-0.02 in
z
Oil Pan Alignment - to Rear of Engine Block at
Transmission Bell Housing Mounting Surface
0.0-0.25 mm
0.0-0.01 in
Piston Rings
z
Piston Ring End Gap - First Compression Ring - Measured
in Cylinder Bore - Production
0.31-0.52 mm
0.012-0.02 in
z
Piston Ring End Gap - First Compression Ring - Measured
in Cylinder Bore - Service
0.31-0.59 mm
0.0122-0.023 in
z
Piston Ring End Gap - Second Compression Ring -
Measured in Cylinder Bore - Production
0.51-0.77 mm
0.02-0.03 in
z
Piston Ring End Gap - Second Compression Ring -
Measured in Cylinder Bore - Service
0.51-0.84 mm
0.02-0.033 in
z
Piston Ring End Gap - Oil Control Ring - Measured in
Cylinder Bore - Production
0.31-0.87 mm
0.0122-0.034 in
z
Piston Ring End Gap - Oil Control Ring - Measured in
Cylinder Bore - Service
0.31-0.94 mm
0.0122-0.037 in
z
Piston Ring to Groove Clearance - First Compression Ring
- Production
0.04-0.08 mm
0.00157-0.0031 in
z
Piston Ring to Groove Clearance - First Compression Ring
- Service
0.04-0.08 mm
0.00157-0.0031 in
z
Piston Ring to Groove Clearance - Second Compression
Ring - Production
0.039-0.079 mm
0.0015-0.0031 in
z
Piston Ring to Groove Clearance - Second Compression
Ring - Service
0.039-0.079 mm
0.0015-0.0031 in
z
Piston Ring to Groove Clearance - Oil Control Ring -
Production
0.015-0.199 mm
0.0006-0.0078 in
z
Piston Ring to Groove Clearance - Oil Control Ring -
Service
0.015-0.199 mm
0.0006-0.0078 in
Pistons and Pins
z
Piston - Piston Diameter - Measured Over Skirt Coating
101.606-101.640
mm
4.0002-4.0016 in
z
Piston - Piston to Bore Clearance - Production
-0.022 to +0.03
mm
-0.0009 to +0.0012
in
z
Piston - Piston to Bore Clearance - Service Limit with Skirt
Coating Worn Off
0.07 mm
0.0028 in
0.02-0.043 mm - 0.00078-0.00169
2004 Hummer H2
2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2