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Matt
Matt, Mechanical Engineer
Category: Toyota
Satisfied Customers: 20597
Experience:  BEng hons Mech engineering, in auto industry 22 years
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have replaced the brake pipes on toyota landcruieser. Have

Customer Question

have replaced the brake pipes on toyota landcruieser. Have bleed braskes until hard on all 4 brakes. But when turn on engine.... brakes go soft...why
Submitted: 4 years ago.
Category: Toyota
Expert:  Matt replied 4 years ago.
Hello

if the car has ABS then it very likely to have air inside the ABS pump and the way the purge the pump is to run it whilst bleeding the corners as normal

if you have a Toyota diagnostics tool then this will allow you to trigger the pump and run it as required

the other method is to drive the car and try to trigger the ABS ( ie try and force a lockup) this isn't as effective as the 1st method but can often help in this situation
Customer: replied 4 years ago.


Hi Matt


Thanks very much for your reply


I hope you are right - that the air is trapped in the abs system


Ive tried to trigger the abs a few times


(not easy with winter tyres !!)


 


Once ive done it enough times - Ill bleed the brakes again (over the week-end) and see if that resolves the situation


Can you email me on Monday of next week (10.12.12)- and I will be able to confirm whether your idea has worked


 


If not - I will try to bleed with the engine running


 


Thanks again - I will revert


 


Mike


 

Expert:  Matt replied 4 years ago.
Hello Mike

just get back to me on this post and I'll see it and can reply

good luck
Customer: replied 3 years ago.


Hi Matt - Dont worry - I havent forgotten - I had no time last week-end. I will be bleeding the brakes again this week-end. I will revert. Kind regards mike

Expert:  Matt replied 3 years ago.
No problem

just get back to me when you can

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