X-Type ( X400 ) 2001 - 2009
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No brake pressure RF and LR calipers

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Old 05-05-2014, 10:00 PM
Grant84's Avatar
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Default No brake pressure RF and LR calipers

I changed the pads all on four corners. Once I put the new pads on the right front and left rear calipers don't bleed the right way. I understand that the car has multiple valve system, LF/RR and RF/LR. My question is why aren't the calipers bleeding the correct way. I bought a suction pump and pumped and pumped and still air is coming out. The brakes are still soft and the car rolls to a stop. The only thing I can think of is that when I wound in the L/R caliper at first I wasn't paying attention and wound it out a bit, but I had the bleeder nipple open so it was easier to wind it in.


Things do so far
1) Bled all four calipers: L/F and R/R bled normal
R/F and L/R just ooze out
2) Suction pump on calipers. Same result.


3) On the passenger side front of the car there is a valve body. Cracked lines there and pumped the brakes same result.


I'm thinking that when I wound the rear caliper out instead of in I pushed air into the master cylinder. If that's the case is it possible to " ruin " the seals in the master cylinder? Tomorrow I'm going to crack the lines at the master cylinder and see if I can resolve this problem. I'm not a Jaguar mechanic but I am fairly handy with the wrenches. This is my first time working on a Jaguar, that is why I'm in the weeds on this type of multiple valve system.
 
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