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Sticky brake pedal - Prado 90 series

Submitted: Friday, Feb 02, 2007 at 11:43

Member - Gadgets (VIC)

I have a Prado 90 series TD Auto. time for a service so took it in to mechanic today. one of the the items on the list is the brake pedal seems to be a little bit sticky - after braking the pedal does not push back but releases a little slowly. just noticeable but is there and I do not want it to get any worse.

Mechanic said - "that can be nasty" - ususally means master cylinder problems and these are a non serviceable item, new ones costing about $5,000!!!

Anyone else had experience with this in a landcruiser, prado or hilux? If so what was the outcome?

Cheers
Gadgets
Landcruiser Prado 90
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AnswerID: 219211   Submitted: Friday, Feb 02, 2007 at 12:08

Gerhardp1 replied:

I wanted to put new rubbers, etc into my Jack master cylinder just as routine maintenance, and found out that can't be done - as with yours, it's a replace entire master cylinder job.

I was too scared to find out the price, but $5000 seems a bit excessive even for Toyota??

Years ago I used to get master cylinders sleeved with a tube of stainless steel, and put new rubbers in - the end result was better than original, usually.

I haven't investigated that option yet, as there is no brake problem, but surely it can be done? The non-serviceable item would be the outer casing which would be able to be sleeved.

The Jack one is a standard 1" twin piston job - what's the bet a unit from any vehicle could be fitted as long as its twin piston 1" ?

Reply 1 of 2
FollowupID: 479735   Submitted: Friday, Feb 02, 2007 at 12:12

Steve63 posted:

I had that done in Bamaga on a 99 Jack (master and slave cylinders) using original parts and it was about $600 including the air freight. Way less than $5,000.

Steve
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FollowupID: 479783   Submitted: Friday, Feb 02, 2007 at 14:13

Gerhardp1 posted:

Thanks for that info, Phil. when you say the wheel cyls were done, do you mean now o rings and dust covers?
FollowUp 2 of 2
AnswerID: 219229   Submitted: Friday, Feb 02, 2007 at 12:46

Member - Phil G (SA) replied:

Not sure on the cost, but the cause is usually DOT4 Brake Fluid being used, and it can stuff up the Toyota seals. Toyota specify DOT 3 and the only place you can buy DOT 3 these days is the Toyota dealer.
Mt Finke
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LandCruiser HDJ79
Reply 2 of 2
FollowupID: 479757   Submitted: Friday, Feb 02, 2007 at 12:58

Member - Gadgets (VIC) posted:

thanks Phil

I was aware of that and the mechanic is too - he told me when I got some brake fluid take on a trip as spare. Just hope his staff know the same.
Gadgets
Landcruiser Prado 90
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FollowupID: 479849   Submitted: Friday, Feb 02, 2007 at 19:02

120scruiser (NSW) posted:

PBR also make a Dot 3 fluid. It is in a yellow container and you can buy it in either 500ml or 4 litre containers. I get mine in 4 litre containers from Repco.
90% of cars with ABS use Dot 3 fluid.
Dot 4 swells the seals and yes the Toyota Prado and 100 series master cylinders are expensive as they incorporate the ABS unit.
I would do a full brake fluid flush with Dot 3. Grab the Toyota brand as its reasonably priced and see how you go.
120scruiser
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