Contents Section: OHC Petrol Engine All sections

How to Check the Compression Opel Calibra I

OHC Petrol Engine ~142 words

Compression, Check

Engine at operating temperature

(oil temperature ³ 80 °C/176 °F).

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

Remove spark plug connectors using KM-717, remove spark plugs.

Terminal "15" from ignition coil or wiring harness plug (1) from dual spark ignition coil.

If present:

Fuel pump relay - see operation

"Fuel Pump Relay, Remove and Install".

.P. E3561.tif97,5tiff;;
.D. ICON06.tif0,750,75tiff;; Inspect

Note:

Use compression recorder with rubber cone and measuring range to 1750 kPa/17.5 bar.

Operate starter approx. 4 seconds with fully opened throttle valve - engine speed approx. 300 rpm.

Permitted pressure deviation of individual cylinders should not exceed 100 kPa (1 bar).

.P. D8098.tif97,5tiff;;
.D. ICON09.tif0,750,75tiff;; Tighten (Torque)

Spark plug to cylinder head - 25 Nm/18 lbf. ft.

.D. ICON02.tif0,750,75tiff;; Install, Connect

Spark plug connector, terminal "15" to ignition coil or wiring harness plug to dual spark ignition coil.

.P. E3562.tif97,5tiff;;
.D. ICON02.tif0,750,75tiff;; Install, Connect

If present:

Fuel pump relay (1) in socket - see operation

"Fuel Pump Relay, Remove and Install".

.P. E3716.tif97,5tiff;;