Question about 2001 Volvo S40

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HOW TO INSTALL BRAKE MASTER CYLINDER TO VOLVO S40

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Brake master cylinder is mounted on brake servo under bonnet . remove the metal brake pipes going to it remove 2 nuts holding it to servo remove from car fit new one fill with brake fluid dont connect pipes yet have assistant pump pedal when fluid flows out of all ports on cyl get assistant to hold pedal down now fif pipes and secure try pedal if it feels firm job done if not you willneed to bleed the whole system

Posted on Feb 12, 2010

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You need to crawl under your dash board under the steering wheel and up on the firewall under the carpeted area there should be some screws unscrew these for the removal it's very easy and should take about 25 minutes.

Posted on Feb 06, 2010

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I have a 2006 volvo 2.0 d we recently replaced cutch kit but the clutch is sticky and its losing fluid


If the clutch is engaging while you are pressing the pedal and you are losing fluid either the clutch master cylinder or the clutch slave cylinder is bad. If the fluid is leaking from the firewall on the drivers side its the clutch master cylinder. If the fluid is leaking from the transmission area its the slave cylinder.

Sep 14, 2016 | 2006 Volvo S40

1 Answer

My volvo s40 2.0D 2005 clutch is not coming back fully after being depressed. I tried to bleed the hydraulic system but no nothing works?


possibly a blockage in the compensating port in the master cylinder
Take it to an accredited brake specialist shop for a proper diagnosis and quote
the problem will be in the hydraulics and not in the clutch plate area

Apr 08, 2016 | Volvo Cars & Trucks

1 Answer

The up28 vacuum pump stayed running after the car was shut off and it was very hot is there any thing wrong with it


I had the same issue, reason Of the vacuum pump to work continuously is either a leak in the vacuum pipes btween the pump and master cylinder or "which was my case", the vacuum switch or sensor between the master cylinder and vacuum pipe is not functioning properly. Replaced and everything works fine.

Mar 28, 2015 | 2007 Volvo S40 2.4i Sedan

1 Answer

2000 volvo s40 rear brakes locked up


It is possible to use the wrong brake fluid but if that was the case I would expect no brakes at all as the rubber cups in the master cylinder would have swollen to the point of seizing in the cylinder or be turned to mush and you will have fluid leaking every where. I suspect the problem lies in the park brake mechanism in that it is over adjusting or is rusted and not releasing correctly. If you still believe that the wrong fluid has been added ( most brands of brake fluid will mix ok---vegetable base oils--- but not mineral oil) then completely flush out the entire system using metholated spirits then several pints of new brake fluid

Jul 25, 2013 | 2000 Volvo S40

1 Answer

Adjust rear brakes


This will not cause the problem even if filled with engine oil ,no you have another problem here like corrosion or a flexible brake pipe with a internal collapse ,maybe even a faulty master cylinder which is a tandem type .So have a good look or enlist the services of a local mechanic .

Jul 25, 2013 | Volvo Cars & Trucks

1 Answer

What needs to be done after replacing front brake pads on a 2005 s60 if the pedal goes to the floor? They were bleed after the new pads were installed.


The liquids does not compress, so there is no reason for the brake pedal to go to the floor. If you have no brake pressure, after bleeding the system, then the master cylinder is wasted. The brake master cylinder leak might be Internal, or External. Check around the master cylinder for any external leak. The break fluid is an excellent paint eater, so clean any leak before you remove the Master Cylinder. The new Master Cylinder needs a bench bleeding process, before installed in your car.

Oct 27, 2010 | 2005 Volvo S60

1 Answer

Lately the brake light comes on for no apparent reason. Sometimes, it is right after a red light, & I've just accelerated. Any clue? Thanks!


Check the fluid level in the brake fluid reservoir (master cylinder). A slightly low level will set the light off as the fluid is being rushed backward during acceleration. When this fluid is rushed back, the level of fluid is probably dipping below the desired level therefore setting the light off.

Oct 01, 2010 | 2000 Volvo S40

2 Answers

Where is the fuel filter on a 2005 volvo s40


There is no external fuel filter for this car. It is actually a fuel pump and filter assembly located in the top of the fuel tank. The genuine part number for the complete assembly is 30792725. It will also need the O'ring that sits below the assembly part number 8638939. This is straight from the Volvo Vida information... Hope This Helps.

May 14, 2010 | 2005 Volvo S40

1 Answer

When i press my brake pedal it goes very hard and makes a grating noise and the car wont stop. Iv checked the brake pads and they are fine.


Power brakes work off vacuume.
Under the hood on the motor side of the firewall, directly in front of the driver position, there's a somewhat large round thing called a "booster".
There's a 5/16 or so vacuume hose connected, Insure the connection is sound. Follow that hose back making sure it's not cracked of pulled lose.
If not have a tech. check the booster or master cylinder for failure.
Brakes are your (and other drivers) LIFE. GET IT DONE ASAP!! please :-)

Dec 20, 2009 | 2000 Volvo S40

1 Answer

Soft brake pedal


yes brakes need to bleed again starting with the caliper farthest from master cylinder abs pump is fine

May 27, 2009 | 1993 Volvo 940

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