Contents Section: DOHC Petrol Engine All sections

How to Check the Compression Opel Frontera A

Compression, Check

Engine at operating temperature (oil temperature at 80 °C / 176 °F).

.D. ICON01.tif0,750,75tiff;; Remove, Disconnect

Ignition cable cover.

Spark plug connector, spark plugs - use KM - 194 - B.
.P. E5152.tif97,5tiff;;
.D. ICON01.tif0,750,75tiff;; Remove, Disconnect

Wiring harness plug (1) from DIS ignition module.

Fuel pump relay - see corresponding operation.
.P. E5153.tif97,5tiff;;
.D. ICON06.tif0,750,75tiff;; Inspect

Compression - use compression recorder with rubber cone and range up to 1750 kPa (17.5 bar).

Actuate starter for approx. 4 seconds with throttle valve fully open - min. engine speed 300 rpm.

The pressure difference between the individual cylinders should not exceed 100 kPa (1 bar).
.P. E5154.tif97,5tiff;;
.D. ICON02.tif0,750,75tiff;; Install, Connect

Fuel pump relay.

Spark plugs to cylinder head.

Spark plug connector, wiring harness plug to DIS ignition module.

Ignition cable cover.

.D. ICON09.tif0,750,75tiff;; Tighten (Torque)

Spark plugs - 25 Nm / 18 lbf ft.

Ignition cable cover - 3 Nm / 2 lbf ft.
.P. E5163.tif97,5tiff;;