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#4489932 - 08/16/17 07:47 AM Caliper problem?
jeepman3071 Offline


Registered: 04/15/10
Posts: 4217
Loc: Storrs, Connecticut
This is for my 2000 Jeep Cherokee - 174k miles.

My brakes were grinding a bit, so last night I replaced the pads and rotors. I noticed the caliper pistons were a bit tougher to push in with the C-clamp than I remembered, but didn't think much of it. The passenger side seemed the toughest. I put everything back together, and used silicone brake grease in the slide pins.

Upon test driving, there is a hard pull to the driver's side when pressing the brakes. I went back and bled the brakes just to be sure there was no air. The calipers and brake hoses are only about 2 years old, and supposedly are "premium" replacements. I replaced them because of the same issue 2 years ago, pulling to the left under hard braking. Is it likely the passenger side caliper is shot again?
_________________________
2000 Jeep Cherokee 4.0L (179k) - Pennzoil 10w30, Napa Gold 1516, Magnefine trans filter
2009 BMW 328i (32k) - Castrol Edge Euro 0w40, MANN HU816X

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#4489966 - 08/16/17 08:39 AM Re: Caliper problem? [Re: jeepman3071]
ARCOgraphite Offline


Registered: 05/17/09
Posts: 11970
Loc: N.H, U.S.A.
Check proportioning valve or is this dual diagonal MC? Maybe MC time.
-
-
[ I just had to replace calipers and rotors in the rogue due to frozen slides - ON A 2-1/2 year old vehicle under 3-36 warranty! They said they were rusted since I didn't drive enough. I guess driving 55 miles back and forth to work five days a week is not enough.. yeah I gotta call Nissan Customer "idontcare" - but not before one last talk to the service MGR.]


Edited by ARCOgraphite (08/16/17 08:43 AM)
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2014 Nissan Rogue S CVT, OC#9 41392mi-QSUD10W30 + M110A CHAMP Filter; 2017 Subaru Crosstrek CVT OC#2 ?? mi-SOA/Idemitsu 0w20 + SOA Filter

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#4489985 - 08/16/17 08:56 AM Re: Caliper problem? [Re: jeepman3071]
Merkava_4 Offline


Registered: 01/30/07
Posts: 17501
Loc: Clovis, CA
Did you manually push the calipers to make sure they slide ok ?

If the calipers slide fine, the other possibility is one of the pistons is hanging up.

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#4489998 - 08/16/17 09:30 AM Re: Caliper problem? [Re: Merkava_4]
SLO_Town Offline


Registered: 03/03/11
Posts: 665
Loc: California's Wine Country
Originally Posted By: Merkava_4
Did you manually push the calipers to make sure they slide ok ?

If the calipers slide fine, the other possibility is one of the pistons is hanging up.


^ This. I suspect the caliper slides are sticking.

Scott
_________________________
03 BMW 330Ci (Euro Castrol 0W-30)
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#4490000 - 08/16/17 09:31 AM Re: Caliper problem? [Re: ARCOgraphite]
jeepman3071 Offline


Registered: 04/15/10
Posts: 4217
Loc: Storrs, Connecticut
Originally Posted By: ARCOgraphite
Check proportioning valve or is this dual diagonal MC? Maybe MC time.


I'm not 100% sure what kind it is. Would this problem have been apparent before changing the brakes? The brakes worked fine before replacing the pads and rotors, they were just near the end of their life and were grinding a bit.

I should note that the pad wear was even on both sides when I pulled the old ones off, and the fluid looked okay.
_________________________
2000 Jeep Cherokee 4.0L (179k) - Pennzoil 10w30, Napa Gold 1516, Magnefine trans filter
2009 BMW 328i (32k) - Castrol Edge Euro 0w40, MANN HU816X

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#4490004 - 08/16/17 09:34 AM Re: Caliper problem? [Re: SLO_Town]
jeepman3071 Offline


Registered: 04/15/10
Posts: 4217
Loc: Storrs, Connecticut
Originally Posted By: SLO_Town
Originally Posted By: Merkava_4
Did you manually push the calipers to make sure they slide ok ?

If the calipers slide fine, the other possibility is one of the pistons is hanging up.


^ This. I suspect the caliper slides are sticking.

Scott


This I will check when I get home. They were greased well, and were moving before I bolted everything up.
_________________________
2000 Jeep Cherokee 4.0L (179k) - Pennzoil 10w30, Napa Gold 1516, Magnefine trans filter
2009 BMW 328i (32k) - Castrol Edge Euro 0w40, MANN HU816X

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#4490110 - 08/16/17 11:58 AM Re: Caliper problem? [Re: jeepman3071]
Nick1994 Offline


Registered: 02/19/13
Posts: 10115
Loc: Phoenix, AZ
Still a warranty on the caliper? Change them out.
_________________________
2015 Hyundai Sonata 2.4L 79k PU 5w30 & OEM
2000 Toyota Camry 2.2L 228k M1 AFE 0w30 & Wix
1996 Jeep Cherokee 4.0L 146k M1 HM 10w40 & Fram Ultra

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#4490131 - 08/16/17 12:17 PM Re: Caliper problem? [Re: Nick1994]
jeepman3071 Offline


Registered: 04/15/10
Posts: 4217
Loc: Storrs, Connecticut
Originally Posted By: Nick1994
Still a warranty on the caliper? Change them out.


Nope, 1 year.
_________________________
2000 Jeep Cherokee 4.0L (179k) - Pennzoil 10w30, Napa Gold 1516, Magnefine trans filter
2009 BMW 328i (32k) - Castrol Edge Euro 0w40, MANN HU816X

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#4490135 - 08/16/17 12:24 PM Re: Caliper problem? [Re: jeepman3071]
Donald Offline


Registered: 03/21/04
Posts: 20459
Loc: Upstate NY
I know for some Jeeps around that vintage the original caliper was a Teves and was undersized. Jeep sold a kit to upgrade to a larger Akebono caliper. I did that on my 2001 Jeep GC.
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#4490188 - 08/16/17 01:24 PM Re: Caliper problem? [Re: Donald]
jeepman3071 Offline


Registered: 04/15/10
Posts: 4217
Loc: Storrs, Connecticut
Originally Posted By: Donald
I know for some Jeeps around that vintage the original caliper was a Teves and was undersized. Jeep sold a kit to upgrade to a larger Akebono caliper. I did that on my 2001 Jeep GC.


Yeah, that was only on the 1999-2002 Grand Cherokee WJs.
_________________________
2000 Jeep Cherokee 4.0L (179k) - Pennzoil 10w30, Napa Gold 1516, Magnefine trans filter
2009 BMW 328i (32k) - Castrol Edge Euro 0w40, MANN HU816X

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#4490189 - 08/16/17 01:28 PM Re: Caliper problem? [Re: jeepman3071]
nthach Offline


Registered: 01/02/04
Posts: 3908
Loc: California
Sticky caliper slides or maybe some rust/sludge from the piston bore made its way through a passage or the hose. Some calipers might reuse pitted pistons or cheap pistons with a poor finish.

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#4490214 - 08/16/17 01:56 PM Re: Caliper problem? [Re: jeepman3071]
Rand Offline


Registered: 08/20/03
Posts: 12650
Loc: NE,Ohio
Most aftermarket calipers are poor quality. I'd believe it was the caliper 6month old let alone 2 years.
_________________________
2017 Jeep Cherokee Trailhawk V6

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#4490813 - 08/17/17 08:36 AM Re: Caliper problem? [Re: jeepman3071]
jeepman3071 Offline


Registered: 04/15/10
Posts: 4217
Loc: Storrs, Connecticut
Pulled everything apart last night. Installed rebuilt calipers and new hoses on both sides along with hardware. Bled brakes, fresh fluid, etc.

It definitely seems much better. Not sure if the pull is 100% gone, but then again there doesn't seem to be any straight roads around here. My alignment might not be perfect either, so I'll have that done soon as well. The alignment isn't bad (goes straight down the road when letting go of the wheel) but it hasn't been done in a while.
_________________________
2000 Jeep Cherokee 4.0L (179k) - Pennzoil 10w30, Napa Gold 1516, Magnefine trans filter
2009 BMW 328i (32k) - Castrol Edge Euro 0w40, MANN HU816X

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#4491196 - 08/17/17 03:42 PM Re: Caliper problem? [Re: jeepman3071]
dlundblad Offline


Registered: 09/30/13
Posts: 10045
Loc: Indiana
Originally Posted By: jeepman3071
Originally Posted By: ARCOgraphite
Check proportioning valve or is this dual diagonal MC? Maybe MC time.


I'm not 100% sure what kind it is. Would this problem have been apparent before changing the brakes? The brakes worked fine before replacing the pads and rotors, they were just near the end of their life and were grinding a bit.

I should note that the pad wear was even on both sides when I pulled the old ones off, and the fluid looked okay.


If it worked prior to replacing the pads, I wonder if you damaged the caliper piston during compression.

I am personally a fan of using the old pad as a cushion to push the piston in as opposed to just clamping on 1 side of the piston and basically forcing it down the bore at an angle. Not saying you did it this way.. just shooting suggestions.

Anyway, did you end up replacing the passenger side caliper or both? What brand caliper did you go with?
_________________________
03 Jeep WJ 4.0 199k Castrol Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 177k M1 0w40 Mahle OX149D
97 Chevy Blazer 4.3 145k Rotella T5 10w30 Fram TG3980


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#4491791 - 08/18/17 09:59 AM Re: Caliper problem? [Re: dlundblad]
jeepman3071 Offline


Registered: 04/15/10
Posts: 4217
Loc: Storrs, Connecticut
Originally Posted By: dlundblad
Originally Posted By: jeepman3071
Originally Posted By: ARCOgraphite
Check proportioning valve or is this dual diagonal MC? Maybe MC time.


I'm not 100% sure what kind it is. Would this problem have been apparent before changing the brakes? The brakes worked fine before replacing the pads and rotors, they were just near the end of their life and were grinding a bit.

I should note that the pad wear was even on both sides when I pulled the old ones off, and the fluid looked okay.


If it worked prior to replacing the pads, I wonder if you damaged the caliper piston during compression.

I am personally a fan of using the old pad as a cushion to push the piston in as opposed to just clamping on 1 side of the piston and basically forcing it down the bore at an angle. Not saying you did it this way.. just shooting suggestions.

Anyway, did you end up replacing the passenger side caliper or both? What brand caliper did you go with?



Yeah, I'm thinking that is what happened. They both did seem pretty stiff, so it is possible they were seizing up anyway.

I actually used Advance Auto calipers (Wearever) and hoses (replaced both sides). I normally prefer Napa but apparently the only caliper they stock is the driver side and they didn't have either of the brake hoses. I couldn't get an explanation of why they only stock calipers for one side. They had something like 5 or 6 driver side calipers in stock but no passenger ones. crazy I checked Autozone and they had nothing in stock, not that I wanted to buy from them anyway...
_________________________
2000 Jeep Cherokee 4.0L (179k) - Pennzoil 10w30, Napa Gold 1516, Magnefine trans filter
2009 BMW 328i (32k) - Castrol Edge Euro 0w40, MANN HU816X

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