Put the key into position 2 before starting and see if you can hear the vacuum assist pump run.
2004 volvo s40 brake pedal to the floor.
The brake pedal goes to the floor with little resistance.
If i hold my foot on the brake pedal while at rest with the engine on it sinks to around 1 from the floor.
Pedal slowly sinks to floor.
Hoping some one can help me have an 02 v70xc.
Driving a 2007 volvo s40 automatic transmission.
I tried bleeding since i know i got air in the system i fully drained 1 of the calipers.
I also used the regular 2 man method.
Blended system first with car not running then with car running.
Figured ok checked every were no leaks found.
The brake pedal should become easy to push again.
Must be bad master cyl.
I used the 1 man method with a hose and a bottle.
It doesn t build pressure after pumping.
Brake pedal spongy goes to floor no biting point etc.
I noticed this jus read more.
With the car off step on the brake pedal until it becomes firm.
Car still has soft goes to floor pedal.
Very common issue on the 1st gen s40.
I ve gathered all the threads which seem to relate to the same problem with the x40 and their brakes.
Any one have an idea if i am doing something wrong or might have missed something to.
After starting the engine i found the brake pedal would slowly drift to the floor when applied.
Hello i have an 2004 s40 in the uk.
It doesn t stop or slow the car at all.
Brakes seem to work fine otherwise.
S40 v50 forum 2004 5 volvo s40 v40 forum 2000 2004 c30 c70 2006 s40 v50 2004 volvo xc40 240 740 760 780 bertone 940 960 v90 s90.
Replaced with new oe ate master cyl.