Contents Wiring diagrams Section: Electrical Equipment (A4 Platform) All sections

Visual check Volkswagen Jetta IV

Visual check

WARNINGPrior to handling or servicing batteries, read, understand and observe the Warning and Safety Measures for lead-acid batteries. Refer to Warnings and Safety Measures for lead-acid batteries

Prior to performing any measurements or tests, perform a visual check of the battery and battery terminals. Check for

  1. Secure mounting of battery; must not be able to move battery in mounting by hand.
  2. Cracked battery case and resulting corrosion damage to surrounding area.
  3. Loose, damaged or corroded battery posts and terminals. If terminals are loose, observe battery terminal tightening torques. Refer to «Battery, tightening torques»(ref-255035-S20434228502007052300000) .
WARNINGAn improperly secured battery can lead to damage. Excessive vibration due to an improperly secured battery will reduce the battery service life, and the battery hold-down bracket could damage the battery housing and lead to electrolyte leakage. Ensure that all battery post/terminal connections are securely installed and tightened according to the torque value specified in this article . Intermittent contact at battery terminals may spark or cause electrical system malfunctions.