Replacing Battery Positive Lead (Positive Support Point)

Removing And Installing Or Replacing Battery Positive Lead (Between Starter, Alternator And Battery Positive Support Point) (M60, M62)

Switch off ignition.
Observe safety instructions for handling vehicle battery.
Follow instructions for disconnecting and connecting battery.
Disconnect negative battery lead.







Cars without primary catalytic converters only (M60, M62)
Unfasten screw connection on oil-filter housing.







Place oil-filter housing to one side.







Disconnect alternator connections.







Connections illustrated here on removed alternator.
Unfasten plug connection (1).
Unfasten nut (2).
Unscrew and remove splash guard.







Unfasten screw on retaining clip on engine mounting arm.







Unfasten screws on guide tube on oil pan.







Impact protection for battery positive wire on floor of vehicle.
Unfasten screws.
Remove impact protector.







Battery positive lead on starter, release nut.
Disconnect battery positive lead.







Lift rubber cap off positive battery support point on floor assembly.







Unfasten nut.







Unscrew screw.
Remove positive battery line.







Cars with primary catalytic converters only (M62)
Release screws (1) in floor trim panel (2).
Press floor trim panel (2) down a little.







Pull off cap (1) on battery positive lead.
Release nut on battery positive lead (2).
Disconnect battery positive lead (2).
Loosen screw (3).
Remove lead holder (4).
Release expansion rivet (5).
Pull panel (6) down a little.
Withdraw battery positive lead (2).







Remove cover cap (1) on starter.
Unfasten nut (2).
Remove battery positive lead (3) from lead holder (4).
Withdraw battery positive lead (3).







Unscrew bolts (1).
Remove shield plate (2).







Unfasten cable connector (1).
Remove battery positive lead (3) from lead holders (2).







Unfasten cable clip (2).
Remove battery positive lead from lead holders (1).







Press press-stud fasteners (1.. .4) in succession and at same time raise acoustic cover slightly.
Remove acoustic cover once all four press-stud fasteners have been unlocked.

Installation:
Position acoustic cover and press downwards until press-stud fasteners (1.. .4) click into place.







Remove seal caps (2) and release screws.
Remove cover.
Detach battery positive lead from battery positive support point (1).







Release nut (1) on alternator.
Remove battery positive lead (3) from lead holder (2).
Disconnect battery positive lead (3) from alternator.
Cut through cable straps between alternator and battery positive support point.
Remove battery positive lead (3) towards bottom.







To facilitate assembly, bend connecting lead (2) to alternator 90 degrees prior to installation.
Observe markings (1) on battery positive lead during installation.







Installation:
Insert battery positive lead (1) behind left engine support arm towards top.