Vauxhall Workshop Service and Repair Manuals

Mark installation position (1) of con-rod bearing cap – remove con-rod bearing cap from con-rod.

Caution

To prevent the strip from tearing when removing the con-rod bearing cap, remove grease from the con-rod journal and lightly oil con-rod bearing shell. Do not turn the crankshaft.

  Measure

Route Plastigage (malleable plastic strip) over the entire width of the con-rod bearing journal. Plastigage is available via the catalogue "Opel/Vauxhall Workshop Equipment".

Torque-angle method

Attach con-rod bearing cap to con-rod – 35 Nm / 26 lbf. ft. + 45° + 15° – the bolts may be used again to check the con-rod bearing play.

Remove con-rod bearing cap again. Compare width of flattened plastic thread (arrow) with measuring scale.

Permissible con-rod bearing play: 0.022 to 0.061 mm.

Note:   When reading the value, do not confuse millimetres and inches on the measuring scale.

  Install

Clean con-rod bearing journal and con-rod bearing shell and lubricate lightly.

Attach con-rod bearing cap with new fastening bolts to con-rod – note installation position of con-rod bearing cap – tightening torque 35 Nm / 26 lbf. ft. + 45° + 15°.