Opel Insignia: Timing Gears
TIMING GEAR BACKLASH & RUNOUT
NOTE: Examples used in this article are general in nature and do not necessarily relate to a specific engine or system. Illustrations and procedures have been chosen to guide mechanic through engine overhaul process.
Descriptions of processes of cleaning, inspection, assembly and machine shop practice are included.
Always refer to appropriate engine overhaul article, if available, in the ENGINES section for complete overhaul procedures and specifications for the vehicle being repaired.
On engines where camshaft gear operates directly on crankshaft gear, gear backlash and runout must be checked. To check backlash, install dial indicator with tip resting on tooth of camshaft gear. Rotate camshaft gear as far as possible. Adjust indicator to zero. Rotate camshaft gear in opposite direction as far as possible and note reading.
To determine timing gear runout, mount dial indicator with tip resting on face edge of camshaft gear.
Adjust indicator to zero. Rotate camshaft gear 360 degrees and note reading. If backlash or runout exceeds specification, replace camshaft and/or crankshaft gear.
REAR MAIN OIL SEAL INSTALLATION
NOTE: Examples used in this article are general in nature and do not necessarily relate to a specific engine or system. Illustrations and procedures have been chosen to guide mechanic through engine overhaul process.
Descriptions of processes of cleaning, inspection, assembly and machine shop practice are included.
Always refer to appropriate engine overhaul article, if available, in the ENGINES section for complete overhaul procedures and specifications for the vehicle being repaired.
One-Piece Type Seal
For one-piece type oil seal installation, coat block contact surface of seal with sealer if seal is not factory coated. Ensure seal surface is free of burrs. Lubricate seal lip with engine oil and press seal into place using proper oil seal installer. See Fig. 27.
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Fig. 27: Installing Typical One-Piece Oil Seal
Rope Type Seal
For rope type rear main oil seal installation, press seal lightly into seat area. Using seal installer, fully seat seal in bearing cap or cylinder block.
Trim seal ends even with cylinder block parting surface. Some applications require sealer to be applied on main bearing cap before installing. See Fig. 28.
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Fig. 28: Installing Typical Rope Seal
Split-Rubber Type Seal
Follow manufacturer's procedures when installing split-rubber type rear main oil seals. Installation procedures vary with manufacturer and engine type. See Fig. 29.
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Fig. 29: Installing Typical Split-Rubber Seal
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Oil Pump
ROTOR TYPE
NOTE: Examples used in this article are general in nature and do not
necessarily
relate to a specific engine or system. Illustrations and procedures have
been chosen to guide mechanic thro
Break-In Procedure
ENGINE PRE-OILING
NOTE: Examples used in this article are general in nature and do not
necessarily
relate to a specific engine or system. Illustrations and procedures have
been chosen to guide mechan
Maintenance and Lubrication
SPECIFICATIONS
APPROXIMATE FLUID CAPACITIES
FLUID AND LUBRICANT RECOMMENDATIONS
MAINTENANCE ITEMS
MAINTENANCE REPLACEMENT PARTS
Replacement parts identified below by name, part number, or specifica
SEE MORE:
Description and Operation
Metric Wheel Nuts and Bolts Description
Metric Wheel Nuts And Bolts Are Identified In The Following Way:
The Wheel Nut Has The Word Metric Stamped On The Face.
The Letter M Is Stamped On The End Of The Wheel Bolt.
The Thread Sizes Of Metric Wheel Nuts And The Bolts Are Indicated By The
Followin
Work Stall Test Warning
WARNING: One or more of the following guidelines may apply when
performing
specific required tests in the work stall:
When a test requires spinning the drive wheels with the vehicle
jacked up, adhere to the following precautions:
Do not exceed 56 km/h (35 mph) when spinning one drive
wheel w
