XJ XJ8 / XJR ( X308 ) 1997 - 2003

Brake Issues

 
  #1  
Old 06-13-2019, 02:37 AM
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Exclamation Brake Issues

Hi Guys,

Hoping for some input on this one as brakes are not my forte!

The question is I have long brake pedal travel on my X308 with new Discs and Pads (approx 6 months old)

Is this adjustable?

Or is this air in the system, requiring me to bleed the brakes?

Many thanks for you help in advance!
 
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Old 06-13-2019, 04:04 AM
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The travel is not adjustable. You probably have some air in the system so just bleed the brakes. Although the usual procedure is to start from the caliper furthest from the MC and finish with the nearest, Jaguar specifies somewhat different order of bleeding (see the attached extract). The funny thing is that Jaguar did not state whether the shown order of bleeding is for RHD or LHD cars. We have to assume that it is for RHD cars so, for LHD, use the mirror image of the bleeding order diagram.

Edit: I mentioned LHD because I thought you were somewhere in the Ardennes (later saw Birmingham).
 
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Bleeding Procedure.pdf (74.2 KB, 7 views)

Last edited by M. Stojanovic; 06-13-2019 at 04:07 AM.
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Old 06-13-2019, 04:36 AM
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Thought this would be the case, many thanks!

No haha based in Old England!
 
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Old 06-13-2019, 04:53 AM
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A battled a spongy pedal - bleeding 3 or 4 times on an empty system. As your calipers have been off there is a chance of air being trapped in the upper most corners, only a small amount can create the soft pedal.
https://www.jaguarforums.com/forum/x...4/#post1025818
https://www.jaguarforums.com/forum/x...30/#post360181

The answer I found was to unbolt the caliper and swing it so the bleed nipple is the upper most item allowing the air out, if not, the design holds it inside. Once you've chased the bubbles out, bolt it back up and you should have a brake pedal that is very effective. An EZE BLEED kit really helps if you're tackling it on your own, a 10 minute job.
 
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Old 07-02-2019, 08:38 AM
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Thanks all for the help and recommendations! Turns out it was air in the system and I have also out a caliper clip back in the wrong way round on one of the rear brakes so needed to replace the pads as they had worn unevenly!!
 
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