Operation Manual

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Volvo 1990 240 Model

Type Positive pressure, closed system

Thermostat begins to open at 188.6 ° F

Fan belts, designation HC-38 x 918 (two)

Coolant: Volvo Coolant type C (blue-green)

Fuel system

The engine is equipped with an electronic fuel injection system.

Ignition System

Firing order 1-3-4-2

Ignition setting (12 ° B.T.D.C. at 750 rpm)

Spark plugs Bosch WR7DC (or equivalent)

Spark plug gap 0.028-0.032" (0.7-0.8 mm)

Tightening torque 15-22 ft. lbs. (20-30 Nm)

Distributor, direction of rotation Clockwise

pg. 101 Specifications

POWER TRANSMISSION

Manual or automatic transmission. Hypoid type final drive.

Manual transmission M47 II

Reduction ratios:

1st gear 4.03:1

2nd gear 2.16:1

3rd gear 1.37:1 Rear axle reduction ratio:

4th gear 1.00:1 3.31:1

5th gear 0.82:1

Reverse 3.68:1

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