Steering — Specifications (Opel Ascona C)

Type - Rack and pinion mechanism with safety column. Some models have power steering.

Manual steering

Coefficient:

• Models with manual transmission 1.3 — 22.0:1
• All other models - 24.5:1

Gear type:

• Models with manual transmission 1.3 - Simple.
• All other models - Single groove.

Number of teeth on the rack:

• Models with manual transmission 1.3 - 28.
• All other models - 32.

Lubricant specification:

• Internal components - GM 18 48 588 grease (Duckhams Adgear 00)
• Pinion Ball Bearing - GM 19 46 254 Grease

Power steering.

Odds - 1870:1

Fluid type - Dextron II type ATF (Duckhams Uni-Matic).

Turning circle (between the roadsides) — 10.1 m (33.1 ft).

Wheel arrangement.

Wheel alignment (not regulated):

• In loaded condition (*) — from -1gr 15 min to +0gr 15 min.
• Maximum deviation from side to side is 1 degree.

Roller convergence (not regulated):

• In loaded condition (*) — from 0 to +2 degrees.
• Maximum deviation from side to side is 1 degree.

Wheel alignment:

In loaded condition (*):

Up until 1985 - from 0.5 to 2.5 mm "toes out".

After 1985 from 1.0 mm "toes out" to 1.0 mm "toes in"

* — The car is considered to be in a loaded state when there are two people in the front seats and when the fuel tank is half full.

Torque values are (Nm / lbf ft).

• Adjusting screw lock nut - 60/44.
• Column spindle coupling clamp bolt - 22/16.
• Clamp bolt gear - coupling - 22 / 16.
• Steering wheel nut - 25 / 18.
• Steering gear assembly mounting nuts - 15/11.
• Pinion mounting bolt - 40/30.
• Column bolts - instrument panel - 22/16.
• Bolts shock absorber - steering gear housing - 22 / 16.
• Steering rod - steering gear - 110/81.
• Rod - nut of ball joint - 60/44.
• Rod clamp clamp bolt - 20/15.

Power steering components:

• Jet tubes and return tubes - steering gear (special retaining bolt) — 37/ 27.
• High pressure hose coupling nut - 42/31.
• Pump tube coupling nut (with connectors) — 28/ 21.
• Fluid Reservoir Bracket Bolts - 7/5.
• Bolts caliper - cylinder - 40/30.
• Oil pump bolts - 15/11.
• Caliper tightening bolt - 40/30.
• Tightening part - caliper bolts - 15 / 11.
• Tightening bolt lock nut - 40/30.