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 POOR BRAKES

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AussieQ
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JohnHRef999
want33s
roygee
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roygee
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Number of posts : 22
Registration date : 2007-09-22

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PostSubject: POOR BRAKES   POOR BRAKES Icon_minitimeTue Oct 28, 2008 3:25 am

DEAR GGGGMMMONKEEEYS

TOYOTA HIACE SUPER CUSTOM LIMITED 1995
REAR BRAKE SHOES CHECKED AND ADJUSTED CORRECTLY.
FRONT BRAKE PADS REPLACED, ADS PURCHACED FROM TOYOTA AGENTS,
REPLACED BRAKE FLUID , BLED ENTIRE SYSTEM,NO RESIDUAL AIR IN SYSTEM.
DESPITE THIS THE VEHICLE STOPS VERY POORLY,VERY NOTABLE FROM SPEEDS ABOVE
70KM/H. YO CAN PRESS THE BRAKE PEDAL AS HARD AS YOU WANT IN AN EMERGENCY
BUT THE VEHICLE WILL NOT STOP , NO WHEELS LOCK, NO TYRE MARKS LEFT ON THE ROAD, CAUSE OF ACTION ,WAS TO SWERVE AWAY.
THE BRAKE HAS BEEN REPLACED WITH A NEW ONE, EX JAPAN, THE VACUUM CELL UNDER THE VEHICLE HAS BEEN CHECKED, INCLUDING THE BRAKE BOOSTER .

I AM AT FED UP WITH THIS VEHICLE, AND IS PARKED MOST OF THE TIME. MY WIFE
WILL NOT DRIVE THIS VEHICLE DUE TO THE BRAKES.

A LOVELY VEHICLE, AND I HATE LOVE IT.

PLEASE HELP

KIND REGARDS

ROYGEE
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want33s
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want33s


Number of posts : 76
Age : 52
Home City : Sunshine Coast. Queensland Australia
Model and year : LH107... 1989 4x4
Registration date : 2008-10-02

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PostSubject: Re: POOR BRAKES   POOR BRAKES Icon_minitimeTue Oct 28, 2008 7:39 am

First of all.... STOP YELLING.... Mad


If the pedal is hard it could only be the booster.

Get in car and pump the brake pedal 4 or 5 times and then hold it down, now start the car. If the pedal sinks slightly your booster is working, if not then it's time to diagnose the problem wether it be a lack of vacuum from pump(if diesel) or a leaky reservoir or split hose/diaphragm in booster.

Try this and get back to us.. Eliminating things... We'll work it out. Wink

Jas.
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JohnHRef999
Been here a while
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Number of posts : 150
Age : 72
Home City : Lincoln England
Model and year : 1993 Hiace Campervan 4WD 2779cc Diesel Auto Transmission. Sold now
2001 Granvia Camper 3.4ltr V6 Auto
Registration date : 2007-07-17

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PostSubject: Re: POOR BRAKES   POOR BRAKES Icon_minitimeTue Oct 28, 2008 7:47 am

Check the Vane Pump efficiency (If it is a diesel)- i.e. the Vacuum Pump attached to the alternator drive.(Is there a vacuum to the engine management system/air con when you take the pipe off with the engine running?)

If the vacuum is down you will have to stand on the brakes to even slow the 2 ton monster down - let alone stop it. The integrity of the vacuum piping may be ok but if your Vacuum Pump ain't sucking, you are going to be blowing hard when you try to stop stop.

My 1993 Camping Monster stops on a sixpence, and throws all the pots and pans into the cab if I need to drop anchor in a hurry.
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JohnHRef999
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Number of posts : 150
Age : 72
Home City : Lincoln England
Model and year : 1993 Hiace Campervan 4WD 2779cc Diesel Auto Transmission. Sold now
2001 Granvia Camper 3.4ltr V6 Auto
Registration date : 2007-07-17

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PostSubject: Re: POOR BRAKES   POOR BRAKES Icon_minitimeTue Oct 28, 2008 7:49 am

Exactly want33s!!
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Admin
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Number of posts : 1128
Age : 58
Home City : Bristol
Registration date : 2007-01-15

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PostSubject: Re: POOR BRAKES   POOR BRAKES Icon_minitimeTue Oct 28, 2008 9:49 pm

Its a shame yoour having so much trouble..

Sad
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AussieQ
Hiace Master
Hiace Master
AussieQ


Number of posts : 884
Age : 77
Home City : Hervey Bay Qld
Model and year : 1994 sc
Registration date : 2008-08-15

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PostSubject: Re: POOR BRAKES   POOR BRAKES Icon_minitimeThu Oct 30, 2008 7:50 pm

Coming from an ordinary HiAce(we have had a few) to the SC with ABS brakes is a bit of a learning curve. We live on a fair sized hill and our street is like the Himalayas so the 1st time I drove down and hit the brakes at bottom of street I nearly panicked. At normal pressure nothing happened bit harder still nothing, wipe bum and jump on harder and beasty stopped. Now I have got used to ABS I like it. No skid just stop.
Hope this your problem find a quiet road and practice a few stops
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Admin
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Number of posts : 1128
Age : 58
Home City : Bristol
Registration date : 2007-01-15

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PostSubject: Re: POOR BRAKES   POOR BRAKES Icon_minitimeThu Oct 30, 2008 9:20 pm

"wipe bum and jump on harder and beasty stopped. Now I have got used to ABS I like it. No skid just stop."

WHO IS ABS ? kinky Laughing
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JohnHRef999
Been here a while
Been here a while



Number of posts : 150
Age : 72
Home City : Lincoln England
Model and year : 1993 Hiace Campervan 4WD 2779cc Diesel Auto Transmission. Sold now
2001 Granvia Camper 3.4ltr V6 Auto
Registration date : 2007-07-17

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PostSubject: Re: POOR BRAKES   POOR BRAKES Icon_minitimeThu Oct 30, 2008 9:25 pm

ABS = That Male Nurse in BBC's Casualty Bet he likes Low Ratio 4WD as well 'cos that stops you skidding!
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AussieQ
Hiace Master
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AussieQ


Number of posts : 884
Age : 77
Home City : Hervey Bay Qld
Model and year : 1994 sc
Registration date : 2008-08-15

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PostSubject: Re: POOR BRAKES   POOR BRAKES Icon_minitimeThu Oct 30, 2008 10:53 pm

Damn, Comedians everywhere LOL
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roygee
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Number of posts : 22
Registration date : 2007-09-22

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PostSubject: Re: POOR BRAKES   POOR BRAKES Icon_minitimeSun Nov 02, 2008 12:51 am

HI KINKY

CHECK YOUR VEHICLE TO SEE IT INDEED HAS ABS, I THINK THESE VEHICLES ONLY CAME OUT WITH ABS AFTER 1996. MY VEHICLE IS A 1995 AND HAS NO ABS.

KIND REGARDS

ROYGEE
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roygee
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Number of posts : 22
Registration date : 2007-09-22

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PostSubject: Re: POOR BRAKES   POOR BRAKES Icon_minitimeSun Nov 02, 2008 12:55 am

MECHAANICS

HOW DOES THESE FANCY FRONT ELECTRONIC SHOCKIES WORK.
CAN YOU LET ME KNOW IF I CAN GET THEM TESTED,WHILST ONTHE VEHICLE.

KIND REGARDS

ROYGEE
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want33s
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want33s


Number of posts : 76
Age : 52
Home City : Sunshine Coast. Queensland Australia
Model and year : LH107... 1989 4x4
Registration date : 2008-10-02

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PostSubject: Re: POOR BRAKES   POOR BRAKES Icon_minitimeSun Nov 02, 2008 5:02 am

Caps lock. Rolling Eyes
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Admin
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Number of posts : 1128
Age : 58
Home City : Bristol
Registration date : 2007-01-15

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PostSubject: Re: POOR BRAKES   POOR BRAKES Icon_minitimeSun Nov 02, 2008 10:15 am

Not CAPS LOCK, just a long way from the keyboard. Very Happy
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AussieQ
Hiace Master
Hiace Master
AussieQ


Number of posts : 884
Age : 77
Home City : Hervey Bay Qld
Model and year : 1994 sc
Registration date : 2008-08-15

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PostSubject: Re: POOR BRAKES   POOR BRAKES Icon_minitimeSun Nov 02, 2008 8:01 pm

Ours is a 94 and has ABS and as for the shockies, I don't know how they work but they do. There is a defininate difference between Sport on and off.
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jimsmim
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Number of posts : 188
Age : 56
Home City : paisley
Model and year : VW TRANSPORTER T5 LWB poptop camper
Registration date : 2007-11-17

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PostSubject: Re: POOR BRAKES   POOR BRAKES Icon_minitimeSun Nov 02, 2008 10:41 pm

mines 93 with ABS.... Very Happy
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Admin
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Number of posts : 1128
Age : 58
Home City : Bristol
Registration date : 2007-01-15

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PostSubject: Re: POOR BRAKES   POOR BRAKES Icon_minitimeSun Nov 02, 2008 11:25 pm

This ABS question / answer looks quite tricky..

If you look at the Basic Info post which shows the years / models and equipment fitted it shows ABS or not ABS
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Number of posts : 1128
Age : 58
Home City : Bristol
Registration date : 2007-01-15

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PostSubject: Re: POOR BRAKES   POOR BRAKES Icon_minitimeWed Nov 05, 2008 10:34 pm

Just some other info from the book..

It refers to the amount of freeplay in the brake pedal.

With the engine off,reduct the vacuum in the booster by depressing the brake pedal several times. The with your finger press the brake pedal until slight resistance is felt. If there is any more travel than 8mm then the brakes need to be adjusted.
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AussieQ
Hiace Master
Hiace Master
AussieQ


Number of posts : 884
Age : 77
Home City : Hervey Bay Qld
Model and year : 1994 sc
Registration date : 2008-08-15

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PostSubject: Re: POOR BRAKES   POOR BRAKES Icon_minitimeThu Nov 06, 2008 6:35 am

Looking at chart it was an option with ours as well as the woodgrain dash . I didn't check any others (good link that basic info BTW thanks)
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zoochy
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zoochy


Number of posts : 148
Home City : Tropical Canada
Model and year : LH107G 1991
Registration date : 2007-01-21

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PostSubject: Re: POOR BRAKES   POOR BRAKES Icon_minitimeThu Nov 06, 2008 9:23 pm

It could be that your rear pads are not fully engaging. The way to tighten most rear brakes is to drive in reverse and slam on the brakes until you stop. Do this a few times. This ratchets the shoes tighter to the drum.

That or clean your disks and drums w/ a de-greaser. Makes a huge difference.
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roygee
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Number of posts : 22
Registration date : 2007-09-22

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PostSubject: Re: POOR BRAKES   POOR BRAKES Icon_minitimeMon Nov 17, 2008 4:07 pm

HI JAS,
WHEN THE VEHICLE IS STARTED, THE BRAKE PEDAL GOES HALF WAY DOWN WHEN DEPRESSED, IF YOU CONTINUE TO PUT PRESSURE ON THE BRAKE PEDAL, WITH THE ENGINE RUNNING, THE BRAKE GOES DOWN TWO THIRDS THE WAY. THE BRAKE MASTER CYL HAS BEEN REPLACED, NO FLUID LEAKS ,NO VAC/AIR PRESSURE
LEAKS. REAR BRAKE SHOES HAS BEEN ADJUSTED RIGHT UP.THIS VEHICLE DOES NOT STOP IN AN EMERGENCY,WITH MAX PRESSURE ON THE PEDAL.THE BRAKE PADS AND SHOES ARE FROM GENUINE TOYOTA PARTS. PLEASE HELP.

KIND REGARDS

ROYGEE
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Clive
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Clive


Number of posts : 1094
Home City : Bristol UK
Model and year : 2003 Range Rover 4.4 goes like a rocket and drinks like Oliver Reed!
Registration date : 2008-11-05

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PostSubject: Re: POOR BRAKES   POOR BRAKES Icon_minitimeMon Nov 17, 2008 11:38 pm

TEMS shocks =
Have a small motor on the top, runs from speed and movement of the steering sensors.
The motor rotates a tongue from the top of the shock that decreases the flow inside the shock, therefore making them harder, when you brake or turn sharpely.
Test it it out emergancy stop and the hard light should be on, as it will if you sling it round a corner/roundabout.
The dash button just turns the setting up for sport mode.

Imagine a cycle pump on soft just pump away, for hard put your finger over the end and the pump goes stiff. Hope that helps?
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mr freeze
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Number of posts : 148
Home City : Sydney South
Model and year : 99 SC 4WD 1KZ-TE
Registration date : 2008-07-14

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PostSubject: Re: POOR BRAKES   POOR BRAKES Icon_minitimeTue Nov 18, 2008 9:29 am

Hi Roygee,
If peddle goes down 2 thirds , I reckon either back shoes need adjusting or air in the system. Did you bleed properly, better to use vacuum bleeder on ABS brake system
what happens if you pump the brake peddle ? Does it go hard and then creep towards the floor ?
Who did the brake job?
Sure front pads are in properly and not sticking ??
Fletch
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roygee
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Number of posts : 22
Registration date : 2007-09-22

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PostSubject: Re: POOR BRAKES   POOR BRAKES Icon_minitimeTue Nov 18, 2008 12:42 pm

Hi Fletch
I PRESSURE BLED THE SYSTEM.
WITH THE ENGINE RUNNING, THE PEDAL GOES HARD AND THEN THE CREEPS TO THE FLOOR.
WHEN THE ENGINE IS TURNED OFF, THE PEDAL REMAINS HARD.
THE REAR SHOES ARE ADJUSTED CORRECTLY
THE BRAKE PADS ARE NOT STICKING.
DO YOU THINK THAT VACUUM BLEEDING IS GOING TO MAKE DIFFRENCE, IF SO HOW?
DO YOU THINK THE HEIGHT COMPENSATOR
HAS ANYTHING TO DO WITH IT?

THANKS KINDLY FOR YOUR ASSISTANCE

ROYGEE
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AussieQ
Hiace Master
Hiace Master
AussieQ


Number of posts : 884
Age : 77
Home City : Hervey Bay Qld
Model and year : 1994 sc
Registration date : 2008-08-15

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PostSubject: Re: POOR BRAKES   POOR BRAKES Icon_minitimeTue Nov 18, 2008 7:06 pm

The only thing I can think of is there is a bit of bypass in the master cylinder. We had the same thing in an ordinary Ace, in both the brake and then the clutch. The brake wasn't too bad but the clutch was a pain at the lights it would just engage by itself. The brake still worked with a few pumps but it wasn't ABS

The master cylinder is behind the dash drivers side a bich to get at.

Good luck mate.
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Clive
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Clive


Number of posts : 1094
Home City : Bristol UK
Model and year : 2003 Range Rover 4.4 goes like a rocket and drinks like Oliver Reed!
Registration date : 2008-11-05

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PostSubject: Re: POOR BRAKES   POOR BRAKES Icon_minitimeTue Nov 18, 2008 11:16 pm

Did you bleed the load compensator valve?
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