Rear Disc'S Brake'S For Fortuner

[Gary A]

Gary - brave of you to stick your head over the parapet.

You have mistakenly just waded into the Fortuner love in club. (Its my money and I will do with it I want etc).. Standby for a lots of incoming flack. What I find amusing is a certain expert on the motoring forum bragging constantly about bombing everywhere at 160 kph and then informing all & soul about how illegal this& that is etc etc-

In the meantime I'm off to look at the Swedish phrase for "contradictory t*at" .

All I'm trying to say is that regardless of the vehicle you want to alter, is that I would never endanger my safety, my families safety or the public safety by replacing perfectly adequate well engineered brakes with parts that may not be as good as the parts replaced.

Would you actually trust an untrained small shop mechanic installing likely cheap poorly made Chinese "performance" parts? If an accident would happen because of using inferior non approved parts, who would you blame?

[fredob43]

Gary - brave of you to stick your head over the parapet.

You have mistakenly just waded into the Fortuner love in club. (Its my money and I will do with it I want etc).. Standby for a lots of incoming flack. What I find amusing is a certain expert on the motoring forum bragging constantly about bombing everywhere at 160 kph and then informing all & soul about how illegal this& that is etc etc-

In the meantime I'm off to look at the Swedish phrase for "contradictory t*at" .

All I'm trying to say is that regardless of the vehicle you want to alter, is that I would never endanger my safety, my families safety or the public safety by replacing perfectly adequate well engineered brakes with parts that may not be as good as the parts replaced.

Would you actually trust an untrained small shop mechanic installing likely cheap poorly made Chinese "performance" parts? If an accident would happen because of using inferior non approved parts, who would you blame?

I agree with you totally that's why I will make sure that what ever I do will be the best thing safety wise. Asking on TV to the more knowledgable peep's is just the start. Will also speak to Toyota. And unless I'm 150% sure will not do anything and keep it as it is. Thank's for your concern. Just a point if it was a pre 09 one before the brake upgrade, I would definitely change them even a stick out of the window would be better than the one's Toyota fitted. If you get a chance have a go in one and you will see what I mean. You have to stand on the brake pedal to just slow them down.

[Woodsie888]

Thank's for that yes have 18" that why they suggest 350mm disc on the front as the 18" will just take it ok. Yes will go look and see what they have on offer, If I'm not happy with their set up will not even think about useing them. Question how have you got on with your ABS and have you found them to have been a large improvement. IE worth the cost involved. Thank in advance.

I have not had any negative ABS issues arise at all. The man to talk to is Jacky @ Supernava Thailand. He converted his own early model Fortuner about 4 years ago and has since done quite a few, although the cost probably keeps the numbers down. My car was the 2nd car ever done, late 2008 and although it had the larger brakes like yours, I wanted to change them for a variety of reasons. The quality and make up of the rotor material is critical to any brake conversion.

The one negative point is the car suffers 'pad knock off' at speed. This is mainly due to caliper flex and, or incorrectly adjusted front wheel bearings and predominantly caused by the frequency of vibration from the rear axle. there are fixes for this which have pros and cons, but the problem has not been severe enough to warrant this. I have factory fit Brembo's on another of my cars and it suffers from exactly the same problem. I can't answer your question about wether the conversion is worth the cost as everyone has a different view on these things. I was happy though and would do it again on my next Fortuner. Interestingly enough another issue cropped up when I visited my Toyota Dealer to get my white plates. A lot of the staff came out for a look and took photographs and there were many very favourable comments, but the Service Manager told me, he sadly couldn't cover my brakes under warranty! The rest of the car no problem though. Very nice people at Toyota.

[fredob43]

Thank's for your time and effort. I shall go along to BJ Motor's and see what they have to offer, it might be a few week's before I can do same. But I shall put a post in on if I think they are good or otherwise. Like you I have alway's found Toyota very good to deal with. Head office and my local garage. Once again many thank's for your time.

Edited July 6, 2011 by fredob43

[Semper]

The rear drums on a vehicle are perfectly adequate unless you are on a race track and need the better heat dissipation the disks give you.

Have you ever seen any tests comparing disks versus drums? I would bet the drums would show better overall performance because they are designed for that particular vehicle.

I am of the opinion that converting is dangerous as well as a waste of money.

This is the best anwer yet. And to the OP. If you can't lock up your rear wheels with the original drum brakes, then they are defective.

If you can lock them up, what will the point in changing to discs be?

[Gary A]

For those willing to replace their drum brakes. Do it knowing that your life and others is depending on the quality of the parts and the expertise of the mechanic doing the installation.

[transam]

Must ask, has anyone had a problem emergency braking on their newish truck or SUV, ?.

Edited July 6, 2011 by transam

[Semper]

Must ask, has anyone had a problem emergency braking on their newish truck or SUV, ?.

Think not. It's just an appearance thing with the rear disc brake thing.

[MoonRiverOasis]

Must ask, has anyone had a problem emergency braking on their newish truck or SUV, ?.

Have never had a problem, no - but a lot of that comes down to your ability read the road and understand the limitations of the vehicle you're driving...

Do I wish my wife's Pajero Sport had the stopping power of my Porsche Cayenne S? Yes, of course But there's plenty of other things I also wish it did the same

[MoonRiverOasis]

Must ask, has anyone had a problem emergency braking on their newish truck or SUV, ?.

Think not. It's just an appearance thing with the rear disc brake thing.

Bigger brakes front and rear will improve stopping power - the question is, do you need it?

Whether or not you need it is completely dependant on the way you drive though of course, given that the OEM stoppers are perfectly fine for normal, sedate driving - I can't think of a single car in TH I would consider under-braked for "regular" driving - not even the forum's favorite dislike, the Isuzu D-Max

For those who like more spirited driving at times - especially over Thailand's more mountainous regions - or those who like to cruise at higher speeds, more stopping power is definitely something I'd recommend. As noted by KBB 1-3 hard stops from high speeds will see the OEM brakes fade to a fraction of their normal stopping power.

Edited July 6, 2011 by MoonRiverOasis

[Semper]

When altering the ability of the brakes to stop the rotating wheel quicker, one must also alter the regulator that regulates the brake power to front and rear.

[transam]

Must ask, has anyone had a problem emergency braking on their newish truck or SUV, ?.

Think not. It's just an appearance thing with the rear disc brake thing.

Bigger brakes front and rear will improve stopping power - the question is, do you need it?

Whether or not you need it is completely dependant on the way you drive though of course, given that the OEM stoppers are perfectly fine for normal, sedate driving - I can't think of a single car in TH I would consider under-braked for "regular" driving - not even the forum's favorite dislike, the Isuzu D-Max

For those who like more spirited driving at times - especially over Thailand's more mountainous regions - or those who like to cruise at higher speeds, more stopping power is definitely something I'd recommend. As noted by KBB 1-3 hard stops from high speeds will see the OEM brakes fade to a fraction of their normal stopping power.

There is more to the braking system than the brakes. A factory brake automatic bias valve is the key to safe braking. On my hotrod where l improved the front brakes the factory valve was useless, had to instal a manual valve to regulate % bias. Me, not a clue how modern rides do this BUT if you fit more powerful brakes to the rear and do not get the correct bias then you spin.

[MoonRiverOasis]

When altering the ability of the brakes to stop the rotating wheel quicker, one must also alter the regulator that regulates the brake power to front and rear.

There is more to the braking system than the brakes. A factory brake automatic bias valve is the key to safe braking. On my hotrod where l improved the front brakes the factory valve was useless, had to instal a manual valve to regulate % bias. Me, not a clue how modern rides do this BUT if you fit more powerful brakes to the rear and do not get the correct bias then you spin.

I'm sure both of you noted I said "Bigger brakes front and rear"

Agree - it's important that the overall bias of the system is maintained - too much bias to the rear is just going to see rear ABS kick in earlier than at the front, altering the balance of the car, and making handling more unpredicatable. However, the brake specialists being mentioned in this thread have decades and 10,000's of brake upgrades worth of experience - so long as you follow their recommendations (which would never include upgrading the rear to discs w/out upgrading the front discs size), and have the kit fitted by them, there won't be any problems.

Contrary to some suggestions in this thread, specialists like Runstop BJ do know exactly what they're doing.

[Semper]

TA. This was what I tried to explain in my latest post. But English is not my first language, so I didn't find the right words.

[transam]

TA. This was what I tried to explain in my latest post. But English is not my first language, so I didn't find the right words.

Yep, l posted and then read yours. You are correct, much more to brakes than meets the average eye.

[katabeachbum]

Talking about brakes, did you know brake fluid must be replaced at least every second year to not boil? Brake fluid absorbs water from the air, and within 2 years it has absorbed enough water to reduce boiling temp below 160?C

Boiling brake fluid does not work.

Emeregncy fix is engine brake and parking brake, but apply Pbrake slowly to avoid a spin

[wandrinstar]

Competition Fluid is available that stands higher temps,as used in Rally Cars when the disks glow orange at night,a lovely sight.

[wandrinstar]

Are there any old Motoring News U.K. competetors out there from the late 1960 era. Or Circuit of Ireland , Fram International Welsh Championships like me. Russel Brookes /Mike Broad Andrews Heat for Hire era. Im 65, so perhaps before your time.:jap:

[katabeachbum]

Competition Fluid is available that stands higher temps,as used in Rally Cars when the disks glow orange at night,a lovely sight.

yepp, but it also needs to be replaced within 2 years

on my rally cars, brakefluid was replaced every 6 months, to keep boiling temp up. for more ordinary driving, every 2 year is sufficient

[cheshiremusicman]

Competition Fluid is available that stands higher temps,as used in Rally Cars when the disks glow orange at night,a lovely sight.

yepp, but it also needs to be replaced within 2 years

on my rally cars, brakefluid was replaced every 6 months, to keep boiling temp up. for more ordinary driving, every 2 year is sufficient

So, is this part of a 'scheduled' maintenance service by the likes of Toyota and others?

Is it not possible to ask the Toyota dealership to upgrade the braking system to the latest designs/modifications? At least if they did it you would have peace of mind that it was correct for the vehicle!

[katabeachbum]

Competition Fluid is available that stands higher temps,as used in Rally Cars when the disks glow orange at night,a lovely sight.

yepp, but it also needs to be replaced within 2 years

on my rally cars, brakefluid was replaced every 6 months, to keep boiling temp up. for more ordinary driving, every 2 year is sufficient

So, is this part of a 'scheduled' maintenance service by the likes of Toyota and others?

Is it not possible to ask the Toyota dealership to upgrade the braking system to the latest designs/modifications? At least if they did it you would have peace of mind that it was correct for the vehicle!

I can only speak for Toyota and Honda, they both are scheduled for service every 6 months/10k km. Changing brakefluid is scheduled for 40k km, so if you drive less than 10k km in 6 months but still keep vehicle serviced every 6 months, you are on the safe side. Servicing every 6 months you also have the benfit of quiet recall repairs being carried out

on the other hand I declined replaced brakefluid on my Accord at 40k km service as it did 60k km in a year, and no need to replace before 2 years

if in doubt, a boiling temp check is done in 3-5 minutes, dont recall the exact limit, but possibly 165C

[Spoonman]

]Have just got an email from BJ Motor's Seem's the rear one's disc size is 320mm same as the front set up on the new Fortuner. They state that you need to increase the front one's to 350mm disc's as well, other wise there could/will be problem's Their cost if any one want's to know is 29,500bt for the rear and 15,000bt for the front's all fitted. Question how big are the disc's on your JBT set up. I will be making a trip to BKK to see their set up and talk about all before I have anything done. Thank once again for all the info regarding same.

Is this quote for 15,000b for the front including calipers ?

I just got quoted by their agent here in Pattaya for 48,000b for 350mm discs and 4 pot calipers or 12,000b for 320mm discs using my calipers, was 29,500b for for rear 295mm discs and their calipers.

[fredob43]

]Have just got an email from BJ Motor's Seem's the rear one's disc size is 320mm same as the front set up on the new Fortuner. They state that you need to increase the front one's to 350mm disc's as well, other wise there could/will be problem's Their cost if any one want's to know is 29,500bt for the rear and 15,000bt for the front's all fitted. Question how big are the disc's on your JBT set up. I will be making a trip to BKK to see their set up and talk about all before I have anything done. Thank once again for all the info regarding same.

Is this quote for 15,000b for the front including calipers ?

I just got quoted by their agent here in Pattaya for 48,000b for 350mm discs and 4 pot calipers or 12,000b for 320mm discs using my calipers, was 29,500b for for rear 295mm discs and their calipers.

29,500 for the rear compleat 15,000 for front disc's my caliper's 350 front 320 rear price include's fitting. I have the Toyota upgraded set up on mine now so the caliper's would be ok well so they say. Shop in BKK

[Spoonman]

cheers, thanks, 12,000b for the front 320mm disc's is ok then, this includes new pads and a brakefluid flush.

[fredob43]

]Have just got an email from BJ Motor's Seem's the rear one's disc size is 320mm same as the front set up on the new Fortuner. They state that you need to increase the front one's to 350mm disc's as well, other wise there could/will be problem's Their cost if any one want's to know is 29,500bt for the rear and 15,000bt for the front's all fitted. Question how big are the disc's on your JBT set up. I will be making a trip to BKK to see their set up and talk about all before I have anything done. Thank once again for all the info regarding same.

Is this quote for 15,000b for the front including calipers ?

I just got quoted by their agent here in Pattaya for 48,000b for 350mm discs and 4 pot calipers or 12,000b for 320mm discs using my calipers, was 29,500b for for rear 295mm discs and their calipers.

29,500 for the rear compleat 15,000 for front disc's my caliper's 350 front 320 rear price include's fitting. I have the Toyota upgraded set up on mine now so the caliper's would be ok well so they say. Shop in BKK

They are BJMotor part's co.ltd

383/141-2 Vorajark center

Chakaphatdiphong rd

Pomprad BKK

Email www.runstopbj.com

[Spoonman]

Thankyou Fredbo, I know who they are and they put me in contact with the distributor closest to me.

[fredob43]

cheers, thanks, 12,000b for the front 320mm disc's is ok then, this includes new pads and a brakefluid flush.

Have you got an early one (Before the upgrade) you can have the full upgrade put on sorry dont know the price.

[Spoonman]

cheers, thanks, 12,000b for the front 320mm disc's is ok then, this includes new pads and a brakefluid flush.

Have you got an early one (Before the upgrade) you can have the full upgrade put on sorry dont know the price.

I have a Colorado, cannot put the 350mm front discs on with standard calipers and the qouted price of 48,000b was more than I want to spend at this point in time.

[fredob43]

cheers, thanks, 12,000b for the front 320mm disc's is ok then, this includes new pads and a brakefluid flush.

Have you got an early one (Before the upgrade) you can have the full upgrade put on sorry dont know the price.

I have a Colorado, cannot put the 350mm front discs on with standard calipers and the qouted price of 48,000b was more than I want to spend at this point in time.

Know what you mean 48th EEEEEK go with the 12,000bt bit. I like the sound of that can do a lot with 36th. Best of luck. Give us an update once done, might help some peep's in the future.

[Spoonman]

]Know what you mean 48th EEEEEK go with the 12,000bt bit. I like the sound of that can do a lot with 36th. Best of luck. Give us an update once done, might help some peep's in the future.

Okies, finally had the 320mm discs fitted to the front of my 2004 Colorado the difference is amazing and even though they are not bedded in yet there stopping performance is massive compared to the stock disc's, I had them fitted at Runstops (BJ Motors) Pattaya agent who is locared just before the Chicken Farm on Sukhumvit road, for Bt.12,000 it is by far the best thing I have done to my ute, now to get that Toyota V8 fitted.