Fig. 188: Identifying AGM Battery
Introduction
In September 2002, the first so-called VRLA batteries, better known as AGM
batteries came into use. (VRLA
means V alve R egulated L ead A cid, i.e. lea
A vehicle battery is constructed for the installation location and the
individual power requirements of the
particular vehicle. These individual power requirements depend on the
motorization and dif
WARNING: Observe SAFETY INSTRUCTIONS for handling vehicle battery.
Follow instructions FOR DISCONNECTING AND CONNECTING BATTERY !
Observe notes on POWER SUPPLY /on intelligent battery sensor (IBS).
N
REMOVING AND INSTALLING/REPLACING TELEMATIC CONTROL UNIT (TCU)
(SA633/SA639)
IMPORTANT: Read and comply with notes on protection against electrical
damage (ESD
PROTECTION).
NOTE: Comply with notes and instructions on HANDLING OPTICAL WAVEGUIDES.
Necessary preliminary tasks
Clamp off BATTERY NEGAT
REPLACING BOTH AIR FILTER ELEMENTS (N63)
Necessary preliminary tasks:
Turn off ignition
Remove ACOUSTIC COVER
NOTE: Description relates to the left intake filter housing. Procedure for
the right side
is identical.
Release clamp (1).
Tightening torque 13 62 9AZ.
Disconnect plug (2) on air-mass