Brakes - more problems
Brakes - more problems
18-08-2016, 03:21 AM
Firstly, when moving really slowly with light pressure on the brakes (in a traffic jam for example) my brakes are squealing. This is incredibly annoying as it seems to occur at exactly the pressure you need to apply when in a jam........
Second problem, again a slow speed braking issue - this is more occasional, not really sure how to explain it but when rolling forward at slow speed (less than 5mph) on the brakes the car seems to judder along.
Any ideas as to what could be the cause of these problems?
2002 '02' IS200 SE Auto - DVD Satnav with Voice Activation - [COLOR="Blue"]Strathcaron Blue - Parking Sensors - 5000K HIDs with Anti-Glare Bulbs - PIAA 6500K Main Beams - LED Sidelights - Mirror/Sunroof Closure - TTE Styling Kit - 18" Styling Kit Alloys with nitrogen filled Goodyear Eagle F1 Asymmetric Tyres - Bluetouch Multimedia Kit - Gromaudio AUX in - Black painted calipers with silver Lexus decals - 12 LED Dome Light - 96 LED Boot Light - Stainless Steel Sport Sill Plates - PIAA Silicone Wipers[/COLOR]
To add to my annoyance level from the mild judder I get on and off under braking, I now have a couple of new problems.
Firstly, when moving really slowly with light pressure on the brakes (in a traffic jam for example) my brakes are squealing. This is incredibly annoying as it seems to occur at exactly the pressure you need to apply when in a jam........
Second problem, again a slow speed braking issue - this is more occasional, not really sure how to explain it but when rolling forward at slow speed (less than 5mph) on the brakes the car seems to judder along.
Any ideas as to what could be the cause of these problems?
2002 '02' IS200 SE Auto - DVD Satnav with Voice Activation - [COLOR="Blue"]Strathcaron Blue - Parking Sensors - 5000K HIDs with Anti-Glare Bulbs - PIAA 6500K Main Beams - LED Sidelights - Mirror/Sunroof Closure - TTE Styling Kit - 18" Styling Kit Alloys with nitrogen filled Goodyear Eagle F1 Asymmetric Tyres - Bluetouch Multimedia Kit - Gromaudio AUX in - Black painted calipers with silver Lexus decals - 12 LED Dome Light - 96 LED Boot Light - Stainless Steel Sport Sill Plates - PIAA Silicone Wipers[/COLOR]
18-08-2016, 03:30 AM
![[Image: Sig-enginebay.jpg]](http://i5.photobucket.com/albums/y179/SteveHammatt/Sig-enginebay.jpg)
IS200 Turbo project now just about complete ! See my thread here and leave your comments.
Now running standalone Syvecs ECU and no stock ECU !
steviewevie
18-08-2016, 03:30 AM #3Automatics can be more prone to build-up on the discs (isn't warped discs, but can feel like it), since with hot brakes you hold the car on the brakes in traffic, and you can get an uneven build-up on the surface of the disc. Don't know if this might be a factor ?
IS200 Turbo project now just about complete ! See my thread here and leave your comments.
Now running standalone Syvecs ECU and no stock ECU !
18-08-2016, 03:37 AM
Lexusboy First sounds like dust on the brakes
Seconded Do you have warb discs?
steviewevie Automatics can be more prone to build-up on the discs (isn't warped discs, but can feel like it), since with hot brakes you hold the car on the brakes in traffic, and you can get an uneven build-up on the surface of the disc. Don't know if this might be a factor ?
Thanks for the replies, how would I cure dust on the brakes?
I hope the discs aren't warped they're not that old and have only done max of 2000 miles
With regard to buildup, is that easy to make happen? I always make a point when stationary to not hold the brakes hard, only just enough pressure to hold the car. Is it still likely? And would they need to be skimmed to get them back to normal?
*EDIT* One thing to add is that the car was at Lexus just last month and they didn't find anything wrong with the brakes so could it have developed that quickly?
2002 '02' IS200 SE Auto - DVD Satnav with Voice Activation - [COLOR="Blue"]Strathcaron Blue - Parking Sensors - 5000K HIDs with Anti-Glare Bulbs - PIAA 6500K Main Beams - LED Sidelights - Mirror/Sunroof Closure - TTE Styling Kit - 18" Styling Kit Alloys with nitrogen filled Goodyear Eagle F1 Asymmetric Tyres - Bluetouch Multimedia Kit - Gromaudio AUX in - Black painted calipers with silver Lexus decals - 12 LED Dome Light - 96 LED Boot Light - Stainless Steel Sport Sill Plates - PIAA Silicone Wipers[/COLOR]
Lexusboy First sounds like dust on the brakes
Seconded Do you have warb discs?
steviewevie Automatics can be more prone to build-up on the discs (isn't warped discs, but can feel like it), since with hot brakes you hold the car on the brakes in traffic, and you can get an uneven build-up on the surface of the disc. Don't know if this might be a factor ?
Thanks for the replies, how would I cure dust on the brakes?
I hope the discs aren't warped they're not that old and have only done max of 2000 miles
With regard to buildup, is that easy to make happen? I always make a point when stationary to not hold the brakes hard, only just enough pressure to hold the car. Is it still likely? And would they need to be skimmed to get them back to normal?
*EDIT* One thing to add is that the car was at Lexus just last month and they didn't find anything wrong with the brakes so could it have developed that quickly?
2002 '02' IS200 SE Auto - DVD Satnav with Voice Activation - [COLOR="Blue"]Strathcaron Blue - Parking Sensors - 5000K HIDs with Anti-Glare Bulbs - PIAA 6500K Main Beams - LED Sidelights - Mirror/Sunroof Closure - TTE Styling Kit - 18" Styling Kit Alloys with nitrogen filled Goodyear Eagle F1 Asymmetric Tyres - Bluetouch Multimedia Kit - Gromaudio AUX in - Black painted calipers with silver Lexus decals - 12 LED Dome Light - 96 LED Boot Light - Stainless Steel Sport Sill Plates - PIAA Silicone Wipers[/COLOR]
18-08-2016, 03:44 AM
IS200 Turbo project now just about complete ! See my thread here and leave your comments.
Now running standalone Syvecs ECU and no stock ECU !
steviewevie
18-08-2016, 03:44 AM #5I don't really know, but a disc run-out test should show if there are any problems. Lexus wouldn't necessarily have done a run-out test the last time it was in there (which measures if the surface is even or not). Skimming may well fix it *if* that's the problem.
IS200 Turbo project now just about complete ! See my thread here and leave your comments.
Now running standalone Syvecs ECU and no stock ECU !
18-08-2016, 03:50 AM
Lexusboy If you jet wash the brakes with the nozzle on spray rather than full power this should clear the dust for a few days.
It sounds like you have the same problems with dust build up as most.
Thanks I'll try that first then and see if anything gets better
Where can I go for a disc runout test if not Lexus? I tried Kwik Fit once but they were pretty useless........
2002 '02' IS200 SE Auto - DVD Satnav with Voice Activation - [COLOR="Blue"]Strathcaron Blue - Parking Sensors - 5000K HIDs with Anti-Glare Bulbs - PIAA 6500K Main Beams - LED Sidelights - Mirror/Sunroof Closure - TTE Styling Kit - 18" Styling Kit Alloys with nitrogen filled Goodyear Eagle F1 Asymmetric Tyres - Bluetouch Multimedia Kit - Gromaudio AUX in - Black painted calipers with silver Lexus decals - 12 LED Dome Light - 96 LED Boot Light - Stainless Steel Sport Sill Plates - PIAA Silicone Wipers[/COLOR]
Lexusboy If you jet wash the brakes with the nozzle on spray rather than full power this should clear the dust for a few days.
It sounds like you have the same problems with dust build up as most.
Thanks I'll try that first then and see if anything gets better
Where can I go for a disc runout test if not Lexus? I tried Kwik Fit once but they were pretty useless........
2002 '02' IS200 SE Auto - DVD Satnav with Voice Activation - [COLOR="Blue"]Strathcaron Blue - Parking Sensors - 5000K HIDs with Anti-Glare Bulbs - PIAA 6500K Main Beams - LED Sidelights - Mirror/Sunroof Closure - TTE Styling Kit - 18" Styling Kit Alloys with nitrogen filled Goodyear Eagle F1 Asymmetric Tyres - Bluetouch Multimedia Kit - Gromaudio AUX in - Black painted calipers with silver Lexus decals - 12 LED Dome Light - 96 LED Boot Light - Stainless Steel Sport Sill Plates - PIAA Silicone Wipers[/COLOR]
18-08-2016, 03:51 AM
steviewevie I don't really know, but a disc run-out test should show if there are any problems. Lexus wouldn't necessarily have done a run-out test the last time it was in there (which measures if the surface is even or not). Skimming may well fix it *if* that's the problem.
I did actually tell them to check the brakes for the judder problem so hope they would have done it but possible they didn't........
2002 '02' IS200 SE Auto - DVD Satnav with Voice Activation - [COLOR="Blue"]Strathcaron Blue - Parking Sensors - 5000K HIDs with Anti-Glare Bulbs - PIAA 6500K Main Beams - LED Sidelights - Mirror/Sunroof Closure - TTE Styling Kit - 18" Styling Kit Alloys with nitrogen filled Goodyear Eagle F1 Asymmetric Tyres - Bluetouch Multimedia Kit - Gromaudio AUX in - Black painted calipers with silver Lexus decals - 12 LED Dome Light - 96 LED Boot Light - Stainless Steel Sport Sill Plates - PIAA Silicone Wipers[/COLOR]
steviewevie I don't really know, but a disc run-out test should show if there are any problems. Lexus wouldn't necessarily have done a run-out test the last time it was in there (which measures if the surface is even or not). Skimming may well fix it *if* that's the problem.
I did actually tell them to check the brakes for the judder problem so hope they would have done it but possible they didn't........
2002 '02' IS200 SE Auto - DVD Satnav with Voice Activation - [COLOR="Blue"]Strathcaron Blue - Parking Sensors - 5000K HIDs with Anti-Glare Bulbs - PIAA 6500K Main Beams - LED Sidelights - Mirror/Sunroof Closure - TTE Styling Kit - 18" Styling Kit Alloys with nitrogen filled Goodyear Eagle F1 Asymmetric Tyres - Bluetouch Multimedia Kit - Gromaudio AUX in - Black painted calipers with silver Lexus decals - 12 LED Dome Light - 96 LED Boot Light - Stainless Steel Sport Sill Plates - PIAA Silicone Wipers[/COLOR]
18-08-2016, 03:54 AM
IS200 Turbo project now just about complete ! See my thread here and leave your comments.
Now running standalone Syvecs ECU and no stock ECU !
steviewevie
18-08-2016, 03:54 AM #9You need to try and find a garage you can trust to tell you the truth - i.e. who won't just tell you "you need 4 new discs" no matter what the run-out test produces. So that's the usual issue with garages, finding a decent one.
IS200 Turbo project now just about complete ! See my thread here and leave your comments.
Now running standalone Syvecs ECU and no stock ECU !
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