Checking engine compression
|
Checking engine compression
|
1.
|
Remove the upper engine cover.
|
2.
|
Undo the charge air pipe from the turbocharger and camshaft cover.
|
3.
|
Undo the rear cable mounting from the camshaft cover and disconnect the glow plugs.
|
4.
|
Blow clean around the glow plugs and remove them.
|
5.
|
Take out the fuse for the engine control module and fuel distribution pump (no. 27 in the dashboard fuse board).
|
7.
|
Run the starter motor until the gauge stops and engine speed is at least 150 rpm. The maximum permitted pressure differential between cylinders is 10%, see test values in
Engine block
.
|
8.
|
Disconnect the compression gauge and adapter. Fit the glow plugs.
Tightening torque: 10 Nm (7 lbf ft)
|
9.
|
Connect the glow plugs and fit the cable mountings to the camshaft cover.
|
10.
|
Fit the charge air pipe to the turbocharger and the camshaft cover.
|
11.
|
Fit the upper engine cover.
|
12.
|
Refit the fuse for the fuel distribution pump control module. Read and clear any DTCs.
|