The replacement of the ignition coil must be carried out in the following order. Switch off the ignition, remove the plugs from the protective casing of the ignition coils, unscrew the nuts, remove the cover and remove the protective casing of the ignition coils (pic. 4.137). Unlock the ignition coil loops, disconnect them from the ignition coils.
Remove connection «masses» (1, fig. 4.138) from the ignition coils of the 2nd and 7th cylinders. Loosen the bolts (dark arrows, fig. 4.138) mounting the ignition coils and remove them.
Installation of the ignition coils should be carried out in the reverse order, while it is necessary to fix the thin wire «masses» (1, fig. 4.139) bolt on the ignition coil of the 2nd and 7th cylinders. Screw a thick jumper (2) connections with «weight» bolt on the ignition coils of the 3rd and 7th cylinders.
Upon completion of the replacement of ignition coils, it is necessary to read information about malfunctions from the memory of the memory of the ECU-KSUD system «DME». Troubleshoot and erase information from the memory memory.
Tip replacement (pic. 4.140) to the spark plugs and the spark plugs themselves should be carried out in the same order as for the engine «M54».