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OPEL TECH NOTES & DOWNLOADS

GT TIPS


Battery

Evaluate condition. Recharge or replace, preferably with model with carrying strap. Clean terminals and install protective caps. Replace cables if corroded. Clean or replace mounting tray. Secure properly.
Part numbers 5019, 5025, 5026.


Cooling system and heater

Inspect coolant. Flush and replace with 50% coolant solution if needed. Clean heater valve. Install 180 degree thermostat in cold climates. To fix heater, refer to service manuals.
Part numbers 6013, 11005.


Engine

Use thinner-grade or multi-viscosity oil. Replace oil filter when changing grades.
Part number 6039.

Front suspension

Inspect rubber boots at ball joints, tie rods and rack and pinion. Replace where cracked. Where possible, apply teflon grease to bushing faces and control arm bolts. Place a layer of bearing grease in upper shock towers, located beneath round plastic caps in engine area.
Part numbers 3012, 3013, 3014, 3017, 3021, 3061, 3066, 3067.

Charging system

Evaluate alternator, bushings and regulator. Inspect wires, harness and clips to alternator. Inspect or replace fan belt. Carry a spare belt. Clean fuses and terminals on fusebox if corroded. If accessories (stereo, alarm, halogen lights, etc.) added to system, install 65-amp generator.
Part numbers 5021, 5029, 5050, 6047, 6049, 11013.

Oxygenated gasoline

Increase performance from "winter fuel" blend with gasoline octane additives (where applicable). Opel owners report 15% loss in mpg's, so keep car in tune with correct ignition point gap setting!


Carburetor

Reset choke setting for richer fuel mixture. Evaluate choke coil operation. Replace if needed. Install thick carburetor gasket if not done yet.
Part numbers 9004, 9018, 9026.


Master cylinder cap

IEvaluate metal on cap. Replace if rusted.
Note: If moisture intake neutralizes brake fluid, flush system with butyl alcohol.
Part number 4045.

Outline
Brake hoses

Inspect or replace. Prevent sticking calipers. Note that hoses shrink from within to collapse.
Part number 4021.

Distributor

Spray WD-40 inside of distributor cap and along spark plug wires to resist moisture.

Clutch cable "E" clip

Reinforce clip at firewall to avoid sudden failure. Install extra clip and/or heater hose clamp at clip.
Part number 8024.

Clutch arm boot

Inspect rubber boot. Replace if cracked. Keep water and rust out of clutch.
Part number 8021.

Charging system

Inspect treads. Replace worn-out tires for safety. Always wheel-balance front tires when installing! Inflate spare tire and carry jack and lug wrench. Carry tight-fitting snow chains where needed.