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Smiffy_ae101

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PostSubject: Brake imbalance   Fri May 27, 2016 8:00 pm

Well lads, had the test last week and failed on rear brake imbalance. I changed the driver side wheel cylinder as it was wet. After fitting it the drum was rubbing on the shoes which it didn't before so i loosened the adjuster a small bit until the drum was just barely rubbing. had the re test today, and failed again. The imbalance was worse and failed on parking brake imbalance this time too. What would the solution be?

first test

second test
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DjNr8

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PostSubject: Re: Brake imbalance   Fri May 27, 2016 8:05 pm

Foggy had a similar issue with a glanza a few weeks ago. it was the prop valve or something I think he said?

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cannon91
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PostSubject: Re: Brake imbalance   Fri May 27, 2016 10:18 pm

Rear brakes dying out sound very much like the proportioning valve on the bulkhead is goosed
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Foggy
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PostSubject: Re: Brake imbalance   Fri May 27, 2016 10:24 pm

cannon91 wrote:
Rear brakes dying out sound very much like the proportioning valve on the bulkhead is goosed

X2 I have had 3 starlets with it now.
1 rear side reads low and other side reads high is a sure sign
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Smiffy_ae101

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PostSubject: Re: Brake imbalance   Sat May 28, 2016 10:08 am

Sound for the replys lads, can a new one be got in toyota or is it a scrap yard jobbie.?
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Foggy
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PostSubject: Re: Brake imbalance   Sat May 28, 2016 10:20 am

90 odd new or 10er from a scrap yard
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Smiffy_ae101

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PostSubject: Re: Brake imbalance   Sat May 28, 2016 10:27 am

What would be the chance one from a scrapyard is bad.? Also would the 1.5 jap have the same prop valve as an irish xli.?
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Smiffy_ae101

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PostSubject: Re: Brake imbalance   Sun May 29, 2016 12:48 pm

Right i have the prop valve changed, bleed all the brakes using the two person method, the pedal is stiff with the car off, but when you start the car it goes soft. I read online you have to bleed the master cylinder also, ive tried bleeding it in the sane manor as the brakes but its made no difference, where am i going wrong?
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DjNr8

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PostSubject: Re: Brake imbalance   Sun May 29, 2016 2:51 pm

Could be master cylinder so? Think foggy went in his old xli. Took a fair bit to bleed it

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cannon91
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PostSubject: Re: Brake imbalance   Sun May 29, 2016 8:35 pm

Open the lines going into the prop valve there could be air trapped there
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