Alternator. Removing And Installing (M62 Engine. Air Cooled) - BMW 5251 Service Manual

121-16
Battery, Starter, Alternator
-
installation is reverse of removal.
Tightening torques
Belt tensloner to engine block
M8 (8.8 grade)
22 Nm (16 ft-ib)
Fan clutch to coolant pump
with BMW special tool 11
5
040
30 Nm (22 ft-lb)
without BMW special tool 1 1
5
040
40 Nm (29 ft-ib)
Pulley to alternator
70 Nm (44 ft-lb)
Terminal 30 (B+) wire to alternator (M8)
13 Nm (10 ft-ib)
Alternator, removing and installing
(M62 engine, air cooled)
A replacement alternator should have the same rating as the
original. Alternator manufacturer and ampere rating are nor-
mally marked on the alternator housing.
-
Disconnect negative (-) battery cable.
CAUTION-
Prior to disconnecting the battery, read the battery discon-
nection cautions 001 General Warnings a n d Cautions.
-
Remove cooling fan and alternator drive belt. See 020 Main-
tenance.
-
Pry out trim caps and remove fasteners from plastic cover on
left head. Lift off cover.
Disconnect positive (+) lead from jump start post (arrow).
Raise car and support in a safe manner.
WARNING-
Make sure the car is stable and well supported at aN times.
Use a professional automotive lift orjack stands designed for
the purpose. A floorjack is not adequate support.