Workshop Manuals Factory service & repair

Fiat 500 Factory Service Manual (2007-2024)22 · Fault diagnosis

22 · Diagnostics

Brake fluid leaks

Make: Fiat
Model: 500 Factory Service Manual
Year: 2007–2024
Section: Consumption /leaks/ wear › Brake fluid leaks

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Fault diagnosisBrake fluid leaks

BRAKE FLUID LEAKS

1.4 16v

A brake fluid leak can be seen

0	PRELIMINARY CHECKS	ALL OK	PROBLEMS ENCOUNTERED	ACTION
		TEST RESULTS
	Check whether the problem is accompanied by poor braking action. Visually check the level of the brake fluid in the reservoir Op. 0010T64 BRAKE AND/OR CLUTCH FLUID CHECK LEVEL AND TOP UP AS NECESSARY	Move on to Step 1	1. Poor braking action detected. 2. Insufficient brake fluid level.	1. Proceed as instructed in the See table F001 POOR BRAKING ACTION 2. Restore the correct level Op. 0010T64 BRAKE AND/OR CLUTCH FLUID CHECK LEVEL AND TOP UP AS NECESSARY and carry out a road test. If the fault persists, move on to Step 1.
1	RESERVOIR LEAK CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check visually for fluid leaks from the reservoir and pipes.	Move on to Step 2	Leaks from the brake fluid reservoir.	Replace the brake fluid reservoir Op. 3330C30 BRAKE FLUID RESERVOIR - R + R AND WASH INSIDE
2	PUMP LEAK CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Visually check for fluid leaks from the brake pump and connectors.	Move on to Step 3	1. Leaks from pump/ABS control unit area fittings. 2. Leaks from the pump.	1. Tighten the connectors or replace the damaged parts. 2. Replace the brake servo assembly Op. 3330D02
3	FLEXIBLE PIPES CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Visually check for leaks from the hoses.	Move on to Step 4	1. Leaks from connectors or deterioration of hose to front brakes. 2. Leaks from connectors or deterioration of hose to rear brakes.	1. Tighten the connectors or replace the hose to the front brakes Op. 3340B10 HOSE TO L/H OR R/H FRONT BRAKES (ONE) - R+R 2. Tighten the connectors or replace the hose to the rear brakes Op. 3340B30 HOSE TO L/H OR R/H REAR BRAKES (ONE) - R+R
4	RIGID PIPE CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Visually check for leaks from rigid underbody pipes.	End of diagnosis	Leaks from connectors or damage to rigid pipes.	Tighten the connectors or replace the rigid pipes.

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Parts & tools for this job For 2007 Fiat 500

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