Volkswagen Golf/Jetta 2 manual

Brake fluid renewal (Every 2 years)
Routine maintenance and servicing / Brake fluid renewal (Every 2 years)


1 The procedure is similar to that described for bleeding of the hydraulic system in Chapter 9, except that the brake fluid reservoir should be emptied before starting by syphoning, using a clean poultry baster or similar. Also, allowance should be made for the old fluid to be expelled when bleeding a section of the circuit.

2 Working as described in Chapter 9, open the first bleed nipple in the sequence and pump the brake pedal gently until nearly all the old fluid has been emptied from the master cylinder reservoir. Top-up to the MAX level with new fluid and continue pumping until only the new fluid remains in the reservoir and new fluid can be seen emerging from the bleed nipple. Tighten the nipple and top the reservoir level up to the MAX level line.

3 Old hydraulic fluid is invariably much darker in colour than the new, making it easy to distinguish the two.

4 Work through all the remaining nipples in the sequence until new fluid can be seen at all of them. Be careful to keep the master cylinder reservoir topped up to above the MIN level at all times or air may enter the system and greatly increase the length of the task.

5 When the operation is complete, check that all nipples are securely tightened and that their dust caps are refitted. Wash off all traces of spilt fluid and recheck the master cylinder reservoir fluid level.

6 Check the operation of the brakes before taking the vehicle on the road.


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