Corrugated Hose Washer Fluid Line, Repairing

WARNING: This page is about a different car, the 2024 Audi SQ7, 2024 Audi Q7, 2023 Audi SQ7, and 2023 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Hot Air Blower:VAS5179 or

Fig 1: --Hot Air Blower VAS 5179
Courtesy of AUDI
Wiring Harness Repair Set - Hot Air Blower:VAS1978/14A from the Wiring Harness Repair Set:VAS1978B

Fig 2: Identifying VAS 1978 B
Courtesy of AUDI
Hose Cutting Pliers:VAS6228

Fig 3: Air Hose Pliers VAS 6228
Courtesy of AUDI

NOTE:

Corrugated hoses can be replaced with heat-shrink sleeves. Refer to the appropriate Electronic Parts Information.

NOTE:

Area to be repaired must not be under stress of stretching or bending.

If the damaged area is longer than 20 mm, a new section of corrugated hose must be inserted and the procedure described in the following must be performed twice.

Procedure

-- Disconnect the damaged part of the washer fluid hose with the Hose Cutting Pliers:VAS6228 .

Fig 4: Identifying Method To Repair Corrugated Washer Hoses

Courtesy of AUDI

-- Choose matching repair adapters -2 and 3- as well as appropriate heat-shrink tubing from the appropriate Electronic Parts Information.

-- Warm the end of the corrugated tube -1- using the Hot Air Blower:VAS5179 .

-- Press the connecting piece -2- into the corrugated tube -1- in direction of -arrow A-.

-- Warm the end of the corrugated tube -4- using the Hot Air Blower:VAS5179 .

-- Press the connecting piece -3- into the corrugated tube -4- in direction of -arrow B-.

-- Trim the heat-shrink sleeve so that corrugated tube is covered on both sides with a minimum of 20 mm (0.79 in.) -dimension x- of heat-shrink sleeve.

Fig 5: Identifying Measurements Of Shrink Tube

Courtesy of AUDI

-- Slide the heat-shrink tubing over the corrugated tube, attach the connecting pieces together and secure the repair area with heat-shrink tubing.

The heat-shrink sleeve must be heated from the center outward until it seals completely.
Set the hot air blower to the correct temperature according to the operating instructions.
When shrinking, ensure no other lines, plastic parts or insulation material is damaged by the hot nozzle.

-- Check for function and leaks.