2006 CL9 | 6M | PWP | Ebony
04-15-2014, 06:14 AM
#33
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Re: 2006 CL9 | 6M | PWP | Ebony
Thanks man
Getting my LCAs replaced Friday with Moog units. Hopefully they improve something for me. Steering does seem a tad sloppy
Also, when braking while downshifting at higher speeds there's a pulsating sensation in the brake pedal... But stops when I shift into neutral and just use the brakes. So it's not the rotors. I'm assuming it's the LCAs being torqued on... So hopefully that's cleared up too.
Getting my LCAs replaced Friday with Moog units. Hopefully they improve something for me. Steering does seem a tad sloppy
Also, when braking while downshifting at higher speeds there's a pulsating sensation in the brake pedal... But stops when I shift into neutral and just use the brakes. So it's not the rotors. I'm assuming it's the LCAs being torqued on... So hopefully that's cleared up too.
04-18-2014, 05:22 PM
#34
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Re: 2006 CL9 | 6M | PWP | Ebony
Had the LCAs done today.
As usual... Seized bolts the needed manipulation to be freed. Broken balljoint too, just snapped when loosening nut.
Once installed and aligned immediately noticed crisper response. Less noise from suspension when going over bumps. There use to be clunking noises that were somewhat noticeable.
There's still a pulsating feel in the brake when applied at high speed...
As usual... Seized bolts the needed manipulation to be freed. Broken balljoint too, just snapped when loosening nut.
Once installed and aligned immediately noticed crisper response. Less noise from suspension when going over bumps. There use to be clunking noises that were somewhat noticeable.
There's still a pulsating feel in the brake when applied at high speed...
04-27-2014, 04:43 PM
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Re: 2006 CL9 | 6M | PWP | Ebony
March 7th, some redneck t-boned me, making a left crossing 2-lanes of traffic...
Car got repaired this past week
Car got repaired this past week
05-01-2014, 08:48 AM
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Re: 2006 CL9 | 6M | PWP | Ebony
So, I came to the conclusion that the pulsating at high speed braking is indeed pads deposits buidling up on the rotors... did a fair amount of research but this link sold me: http://www.toyota-4runner.org/3rd-ge...ay-speeds.html
So this morning I bedded my pads in:
-drove normal stop-and-go for ~10 min.
-then did about (6) hard stops from 60-15mph
-then drove without touching the brakes or coming to a dead stop for ~10 min.
Probably at the third or forth I could really tell the difference.
So this morning I bedded my pads in:
-drove normal stop-and-go for ~10 min.
-then did about (6) hard stops from 60-15mph
-then drove without touching the brakes or coming to a dead stop for ~10 min.
Probably at the third or forth I could really tell the difference.
05-15-2014, 05:21 AM
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Re: 2006 CL9 | 6M | PWP | Ebony
Well last night on the way home... felt the pulsations again, at highway speeds, even with the new Honda front pads
So pulled the wheel and pads off... spiraling was still on the rotor. :bat:
Per Centric: :coffee:
The obvious question now is "is there a "cure" for discs with uneven friction material deposits?" The answer is a conditional yes. If the vibration has just started, the chances are that the temperature has never reached the point where cementite begins to form. In this case, simply fitting a set of good "semi-metallic" pads and using them hard (after bedding) may well remove the deposits and restore the system to normal operation but with upgraded pads. If only a small amount of material has been transferred i.e. if the vibration is just starting, vigorous scrubbing with garnet paper may remove the deposit. As many deposits are not visible, scrub the entire friction surfaces thoroughly. Do not use regular sand paper or emery cloth as the aluminum oxide abrasive material will permeate the cast iron surface and make the condition worse. Do not bead blast or sand blast the discs for the same reason.
The only fix for extensive uneven deposits involves dismounting the discs and having them Blanchard ground - not expensive, but inconvenient at best. A newly ground disc will require the same sort of bedding in process as a new disc. The trouble with this procedure is that if the grinding does not remove all of the cementite inclusions, as the disc wears the hard cementite will stand proud of the relatively soft disc and the thermal spiral starts over again. Unfortunately, the cementite is invisible to the naked eye.Taking time to properly bed your braking system pays big dividends but, as with most sins, a repeat of the behavior that caused the trouble will bring it right back.
http://www.centricparts.com/files/Ce...ake%20Disc.pdf
...there for...new Centric rotors are arriving tomorrow from TireRack for the front... tonight I'm inspecting the rear, to determine if the rears are needed, will be putting on new Honda pads to be safe, regardless :pray:
So pulled the wheel and pads off... spiraling was still on the rotor. :bat:
Per Centric: :coffee:
The obvious question now is "is there a "cure" for discs with uneven friction material deposits?" The answer is a conditional yes. If the vibration has just started, the chances are that the temperature has never reached the point where cementite begins to form. In this case, simply fitting a set of good "semi-metallic" pads and using them hard (after bedding) may well remove the deposits and restore the system to normal operation but with upgraded pads. If only a small amount of material has been transferred i.e. if the vibration is just starting, vigorous scrubbing with garnet paper may remove the deposit. As many deposits are not visible, scrub the entire friction surfaces thoroughly. Do not use regular sand paper or emery cloth as the aluminum oxide abrasive material will permeate the cast iron surface and make the condition worse. Do not bead blast or sand blast the discs for the same reason.
The only fix for extensive uneven deposits involves dismounting the discs and having them Blanchard ground - not expensive, but inconvenient at best. A newly ground disc will require the same sort of bedding in process as a new disc. The trouble with this procedure is that if the grinding does not remove all of the cementite inclusions, as the disc wears the hard cementite will stand proud of the relatively soft disc and the thermal spiral starts over again. Unfortunately, the cementite is invisible to the naked eye.Taking time to properly bed your braking system pays big dividends but, as with most sins, a repeat of the behavior that caused the trouble will bring it right back.
http://www.centricparts.com/files/Ce...ake%20Disc.pdf
...there for...new Centric rotors are arriving tomorrow from TireRack for the front... tonight I'm inspecting the rear, to determine if the rears are needed, will be putting on new Honda pads to be safe, regardless :pray:
06-11-2014, 05:50 AM
#43
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Re: 2006 CL9 | 6M | PWP | Ebony
Needed to get my wheel/tire package rebalance and road forced too.. TireRack dropped the ball somewhere... but they are paying for the re work
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