Brake Problem. Serious issue please help!!
#1
Brake Problem. Serious issue please help!!
I have a 02' S-Type. This is my 2nd Master Cylinder that I replaced and I also got brakes bled Fully. I don't have no lost of brake fluid.
Problem is: My Brakes goes to the ground & its not stopping at its full potential. It's very scary at times holding brakes during Traffic conditions! Whats the problem with my braking system??! Please help adap thanks
Problem is: My Brakes goes to the ground & its not stopping at its full potential. It's very scary at times holding brakes during Traffic conditions! Whats the problem with my braking system??! Please help adap thanks
#2
You have air trapped some where.
Just some ideas, is there a special step when bleeding the brakes required to make sure there is no air trapped in the abs mod? On other cars I've had to disconnect the abs mod. When bleeding the brakes.
I have also in the past switched sides and put the brake caliper on upside down, within bleed screws on the bottoms of the calipers.
When you installed the new master did you bench bleed it?
Just some ideas, is there a special step when bleeding the brakes required to make sure there is no air trapped in the abs mod? On other cars I've had to disconnect the abs mod. When bleeding the brakes.
I have also in the past switched sides and put the brake caliper on upside down, within bleed screws on the bottoms of the calipers.
When you installed the new master did you bench bleed it?
#3
+1 master itself may have air trapped in it, bench bleeding the master is a good idea before mounting it to the booster.
ABS module and the upward pointed lines I think is one of the highest points in the system which may result in air getting trapped inside.
Doing a major brake overhaul recently, I drained all the brake fluid out of the system. I bled them the old fashioned way, and it came out satisfactory, but not perfect.
I purchased and used a MOTIVE POWER BLEEDER this past weekend. Made a good difference and helped bring out every last air bubble out of the system. The rear brakes seemed to have trapped the most air and took the most time to clear out. Consider using one of these to get the perfect bleed.
ABS module and the upward pointed lines I think is one of the highest points in the system which may result in air getting trapped inside.
Doing a major brake overhaul recently, I drained all the brake fluid out of the system. I bled them the old fashioned way, and it came out satisfactory, but not perfect.
I purchased and used a MOTIVE POWER BLEEDER this past weekend. Made a good difference and helped bring out every last air bubble out of the system. The rear brakes seemed to have trapped the most air and took the most time to clear out. Consider using one of these to get the perfect bleed.
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#10
My car is a 2000 and it does so I would assume a 1999 is the same. This link will show you how I did mine.
Link JagRepair.com - Jaguar Repair Information Resource
I hope this helps.
Link JagRepair.com - Jaguar Repair Information Resource
I hope this helps.
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GaryGGve (12-31-2012)
#13
Help
I have the 1999 S Type jacked up on stands with the cube tool. Like someone said before, the tool may not be the right type, and sure enough, it's not quite suitable. I have managed to screw the piston, enough both ways, but with difficulty with the tool I have. Basically, I'm still not sure if the right hand side screws the piston in by turning ACW, and the left hand side CW. ie. always turning towards the back of the vehicle. I could be here all day if I have to struggle with this tool. I believe I am past the point of no return!
Also, How do I release the handbrake cable more. Adjustment? or brute force pulling with plyers.
Really appreciate your help anyone
I have the 1999 S Type jacked up on stands with the cube tool. Like someone said before, the tool may not be the right type, and sure enough, it's not quite suitable. I have managed to screw the piston, enough both ways, but with difficulty with the tool I have. Basically, I'm still not sure if the right hand side screws the piston in by turning ACW, and the left hand side CW. ie. always turning towards the back of the vehicle. I could be here all day if I have to struggle with this tool. I believe I am past the point of no return!
Also, How do I release the handbrake cable more. Adjustment? or brute force pulling with plyers.
Really appreciate your help anyone
#14
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GaryGGve (01-07-2013)
#16
Join Date: Oct 2009
Location: Perth Ontario Canada
Posts: 11,058
Received 2,266 Likes
on
1,845 Posts
The following users liked this post:
GaryGGve (01-07-2013)
#17
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GaryGGve (01-07-2013)
#18
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GaryGGve (01-07-2013)
#19
I don't know what happened to my last post? I am new as you can see, and may be it's linked to something else. So, I'll try again, and probably repeating myself!!!
I looked at the cube, thinking the same thing (grinding the 2 posts off), but decided to visit the local garage and borrow a tool
I had a little trouble putting the bolts in as the caliper would not align. There are 2 locating posts on the pad, that seem to need to align with the piston keyways (used for the tool). It wasn't until I had the piston keyways vertical, that I could get it to align. This doesn't quite make sense to me, because the Piston rotates as it comes out (I think). The brakes work fine. But, could I have the wrong pads? What am I missing?
Also, I was surprised that the brake fluid reservoir top up tank hardly moved up. Does the Jag have a big volume, and it's diplacement is minimal, with the pistons now further back in the housing.?
One last comment, although I look forward to replies on the above...I have been impressed with quick and helpful responses from this forum. I hope I can look forward to such quality of help in the future
I looked at the cube, thinking the same thing (grinding the 2 posts off), but decided to visit the local garage and borrow a tool
I had a little trouble putting the bolts in as the caliper would not align. There are 2 locating posts on the pad, that seem to need to align with the piston keyways (used for the tool). It wasn't until I had the piston keyways vertical, that I could get it to align. This doesn't quite make sense to me, because the Piston rotates as it comes out (I think). The brakes work fine. But, could I have the wrong pads? What am I missing?
Also, I was surprised that the brake fluid reservoir top up tank hardly moved up. Does the Jag have a big volume, and it's diplacement is minimal, with the pistons now further back in the housing.?
One last comment, although I look forward to replies on the above...I have been impressed with quick and helpful responses from this forum. I hope I can look forward to such quality of help in the future
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