Operation CHARM: Car repair manuals for everyone.

Doors, Hood and Trunk: Testing and Inspection




Body maintenance: Checking lid and doors

Checking lid lock, front and rear

- Check that the lid locks engage by insertion of the lock upper parts when the lids (front and rear) are closed and that they disengage again when the lid releases are pulled.

Checking safety hook, front lid

1. Check that the front lid is held down by the lower part of the lock of the safety hook after the lid lock is opened.
2. Check whether the return spring on the lower part of the lock pulls back the safety hook as far as the stop.

Function test, checking door lock

- Check that the door lock engages in two stages through the locking wedge when the doors are closed and that it disengages again when the door handle is operated (inside and outside).

Checking door and lid tightening torques

- Check the tightening torque of the fastening screws of the door lock, the latch striker, the lower part of the lid lock and the upper part of the lid lock.

Lower part of lid lock and upper part of lid lock, tightening torque: 10 Nm (7.5 ftlb.)

Door lock tightening torque 20+2 Nm (15.0 ftlb. + 1.5 ftlb.)

Tightening torque: 23 Nm (17 ftlb.)