Volkswagen Polo Service & Repair Manual: Severely Discharged Batteries
WARNING
Risk of injury. Follow all Warnings and Safety
Precautions. Refer to
→ Chapter „Warnings and Safety Precautions“. |
|
For a battery to be indicated as “severely discharged”, the
resting voltage must be less than 11.6 V. |
WARNING
Batteries that have a light yellow visual indicator
do not have to be tested or charged. Jump starting must
not be used! |
There is a risk of explosion during testing,
charging or jump starting. |
These batteries must be replaced. |
|
Caution
Severely discharged batteries freeze earlier. |
Batteries that have been frozen must no longer be
used. |
|
Note
Severely discharged batteries in vehicles must be replaced
prior to delivery. Pre-existing damage cannot be ruled out. |
Batteries which have not been used in driving operation for
a long time, for example vehicles in storage, discharge
themselves. |
For severely discharged batteries, the electrolyte consists
almost completely of water, because the acid portion has been
greatly reduced. |
Severely discharged batteries become sulfated, meaning all
the battery plate surfaces become hardened. |
The sulfating process may be largely reversed if a severely
discharged battery is recharged immediately. |
If the battery is not recharged, the plates will continue to
harden, and the ability to accept a charge will decrease. This
results in reduction of battery performance. |
– |
Check the battery resting voltage. Refer to
→ Chapter „Battery, Charging“. |
|
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General Description
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Vehicle Electrical System, General Repair Information
Caution
Follow the procedure in the repair manual when
disconnecting and connecting the battery.
WARNING
Some tools are supplied wit ...
Contents of the breakdown set
Fig. 171 The breakdown set
First read and observe the introductory
information and safety warnings
The breakdown set is located underneath the floor covering in the luggage
compartment. It includes the following components :
Valve core extractor
Sticker with the maximum permitted
s ...
Evaporator
Caution
Non-approved tools or materials such as leak sealing
additives can cause damage or malfunctions in the
system.
Only use tools and materials approved by the
manufactu ...
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