551719 Removing and Installing Lower Part of Lock (Front)

WM 551719 Removing and installing lower part of lock (front)

Technical values





Removing lower part of lock at the front

Removing front lock lower part









1. Remove front and side covers in engine compartment => 700219 Removing and installing front cover (engine compartment) - section on "Removing".
2. Remove front apron => 631519 Removing and installing front apron - section on "Removing".









3. Release wiring harness.
3.1. Unclip plug connection -2- at the lock support -1- ( -arrow A- ), release -arrow B- and remove it -arrows C-.





3.2. Unclip wire harness -3- from the lock support -1- ( -arrows D- ).





3.3. Press temperature sensor -4- out of the lock support -1- ( -arrow E- ).





4. Unclip emergency release cable ( -arrows F- ).













5. Disconnecting cable for front lid lock.
5.1. Unclip the connection piece -6- from the body ( -arrow G- ).





5.2. Release locking lugs -7- ( -arrows H- ).





5.3. Open the cover -8- at the connection piece -6- ( -arrow I- ) and disengage the front section of the cable for the front lid lock -9- ( -arrow K- ).









6. Release lock support.
6.1. Undo fastening screws -10-.





6.2. Pull lock support -1- up out of the air guide -11- and press backwards ( -arrows L- ). At the same time, press the wire harness -3- over the lock support -1- and to the side ( -arrow M- ).









7. Remove lock support.
7.1. Pull lock support -1- down ( -arrow N- ), tilt it off ( -arrow O- ) and remove it ( -arrow P- ).













8. Remove emergency release cable and front section of cable for front lid lock => 551419 Removing and installing cable for front lid lock - section on "Removing"
9. Remove contact switch for engine compartment light => 960619 Removing and installing contact switch for engine compartment light - section on "Removing".
10. Remove lower part of lock.
10.1. Unscrew fastening screws -12- and -13-.









10.2. Remove lower part of lock -14- from the lock support -1- ( -arrow Q- ).






Installing lower part of lock at the front

Install front lock lower part









1. Install lower part of lock.
1.1. Insert lower part of lock -14- into lock support -1- ( -arrow A- ).





Information

The holes in the lower part of the lock -14- and the thread in the lock support -1- must be aligned in centre position.

1.2. Screw in fastening screws -12- and -13- and tighten to the specified tightening torque.=> Tightening torque: 9 Nm (6.5 ftlb.)+/-1 Nm (+/-0.5 ftlb.)









2. Install contact switch for engine compartment light => 960619 Removing and installing contact switch for engine compartment light - section on "Installing".
3. Install emergency release cable and front section of cable for front lid lock => 551419 Removing and installing cable for front lid lock - section on "Installing"
4. Install lock support.
4.1. Insert lock support -1- ( -arrow B- ) and push emergency release cable -5- and front section of cable for front lid lock -9- into the lock mount at the same time ( -arrows C- ).





4.2. Swivel lock support -1- upwards ( -arrow D- ) and move it up ( -arrow E- ).













5. Fasten lock support.
5.1. Push wire harness -3- over the lock support -1- ( -arrow F- ), then hold lock support -1- and insert it down into the air guide -11- ( -arrows G- ).









5.2. Screw in fastening screws -10- and tighten hand-tight.









6. Connect cable for front lid lock.
6.1. Engage front section of cable for front lid lock -9- ( -arrow H- ) and close lid -8- at connection piece -6- ( -arrow I- ) until the locking lugs -7- engage audibly.









6.2. Clip the connection piece -6- to the body ( -arrow K- ).





7. Clip in emergency release cable.
7.1. Clip in emergency release cable -5- ( -arrows L- ).

















8. Secure wiring harness.
8.1. Press temperature sensor -4- into the lock support -1- ( -arrow M- ).





8.2. Clip in wire -3- ( -arrows N- ).





8.3. Connect plug connection -2- until the locking lug ( -arrow- ) engages audibly ( -arrows O- ) and clip it onto the lock support -1- ( -arrow P- ).





9. Adjust lock support.
9.1. Close front lid and check that the upper part of the lock engages correctly into the lower part of the lock. Adjust the position of the lock support -1- if necessary by moving it as required.
9.2. Tighten fastening screws -10- to the specified tightening torque => Tightening torque: 9 Nm (6.5 ftlb.)+/-1 Nm (+/-0.5 ftlb.).





10. Install front apron => 631519 Removing and installing front apron - section on "Installing".
11. Install front and side covers in engine compartment => 700219 Removing and installing front cover (engine compartment) - section on "Installing".