Volkswagen Golf / Golf GTI / Jetta. Manual — part 1078

27-55

Note:

New generation batteries are
equipped with a central gas venting
system and integrated flame trap.
Function: Gases produced during
charging escape through a central
opening on the side of the upper
cover. The integrated flame trap
prevents flammable gases in the
battery from igniting. The flame trap
is comprised of a small round
fiberglass mat with a diameter of 15
mm and a thickness of 2 mm.
Working as a one-way-valve, it
allows gases produced during
charging to vent.

CAUTION!

Results of inadequately secured
battery:

- Install hold-down bracket with bolt

(tightening torque: 25 Nm).

- Reinstall insulation jacket where

applicable.

- Reconnect battery

Page 27-

43

.

Shorter battery service life due
to vibration damage.

Battery cell and plate damage.

Electrolyte leakage due to
battery case damage.

Poor collision safety.

Battery, removing and installing

13/2/2005

27-56

Battery with clipped fuse
holder, removing and
installing

WARNING!

Prior to handling or servicing
batteries, read, understand and
observe the Warning and Safety
measures for lead-acid batteries

Page 27-4

.

Special tools and auxiliary items
needed

Battery, removing

VAG 1331 Torque wrench (or

equivalent 5 - 50 Nm )

- Disconnect battery

Page 27-

46

.

- Remove bolt -arrow-.

- Remove battery hold-down

bracket.

- If present, disconnect central gas

vent hose from top cover.

- Carefully lift battery together with

insulation from engine
compartment.

Battery, removing and installing

13/2/2005

27-57

Battery, installing

To ensure battery seats securely,
only install batteries with a 10.5 mm
battery foot strip and adhere to the
following work sequences:

It must not be possible to move a
battery to the left or to the right.

- Install battery so battery carrier

lug -arrow- engages in battery
foot strip cut-out -1-.

Battery, removing and installing

13/2/2005

27-58

Battery is inserted correctly when

center cut-out in battery foot strip
aligns with threaded hole in battery
carrier -arrows-.

Note:

New generation batteries are
equipped with a central gas venting
system and integrated flame trap.
Function: Gases produced during
charging escape through a central
opening on the side of the upper
cover. The integrated flame trap
prevents flammable gases in the
battery from igniting. The flame trap
is comprised of a small round
fiberglass mat with a diameter of 15
mm and a thickness of 2 mm.
Working as a one-way-valve, it
allows gases produced during
charging to vent.

- On batteries with a hose for

central venting ensure that the
hose is not squashed. Only then
can the battery vent freely.

- On batteries without a hose for

central venting ensure that the
opening on the upper side of the
battery cover is not blocked.

CAUTION!

Results of inadequately secured
battery:

- Install hold-down bracket with bolt

(tightening torque: 25 Nm).

- Reconnect battery

Page 27-

49

.

Shorter battery service life due
to vibration damage.

Battery cell and plate damage.

Electrolyte leakage due to

Battery, removing and installing

13/2/2005