Peugeot 308: Diagnosis : Wiper blades

1. Tooling

Workshop equipment :

2. Preparation of the windscreen and/or the rear screen

The windscreen and/or the rear screen must be clean, and free of dust, grease, liquids or any foreign bodies.

CAUTION : All cleaning must be done without activating the wiper mechanism.

N.B. : Do a prior cleaning of the windscreen and/or rear screen ; Using screen wash fluid and a clean cloth that does not leave any residue.

3. Preparation of the wiper blades

N.B. : Check that the wiper blades are in good condition. No deformation is permitted.

CAUTION : Do a prior cleaning of the wiper blades ; Using screen wash fluid and a clean cloth. Clean the entire length of each wiper blade.

4. Performance of the test

Methodology :

Lightly wet the windscreen or rear screen with water (Drops that will not run down)
Activate the wiper mechanism on slow speed for 10 ± 1 cycles
Wait for about 3 seconds

5. Diagnosis

Illustration	Observation	Diagnosis
	Wiping that is hesistant or makes no sound	Does not conform
	Partial wiping of the windscreen or rear screen
	The surface swept by the wiper blade remains wet (There is still a thin layer of liquid)
	Lines visible for more than 5 seconds after wiping


	Small lines visible outside the field of vision	Tolerated
	Thin faint lines visible for less than 5 seconds after wiping	Correct
	Not faulty	Correct