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2000 Dodge Intrepid Disc Brake Drag

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DennisCTB
Join Date: Nov 1998
Posts: 2646 NorthWest NJ
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster  View my Photos  Pics

2011-08-04          179658


My Dad owns a 2000 Dodge Intrepid. He had the front brake pads and new rotors done last December 3000 miles ago with 57000 miles on the Odometer at the local STS tire store:

STS Tire
562 North Maple Ave
Ridgewood, NJ, 07450
201-447-3750

Now he is experiencing brake drag on those brakes enough to noticeably slow the car down.

He took it in to the same STS store to check it out and get an estimate. Now they say the brake rotors show signs of high heat, and that it takes excessive pressure to apply the brakes, though the car was not replicating the symptoms for my dad or the mechanic at the time of inspection.

Now they recommend replacing the full caliper assembly, hoses and flushing the system. Estimate of about $550.

If full caliper replacement was actually required it would seem that the rotors should be replaced again as well.

I have done my own brake disc brake jobs, pads and rotors, been awhile though, I even did them when you had to pull the wheel bearings, that was a pain. I read that the caliper pins should be maintained during brake service. Any possibility that is causing the binding?

What makes the brake piston retract, does the drop in hydraulic pressure cause the slight release from rotor contact?



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2000 Dodge Intrepid Disc Brake Drag

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Murf
Join Date: Dec 1999
Posts: 7143 Toronto Area, Ontario, Canada
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster  View my Photos  Pics

2011-08-04          179667


Dennis, I suspect you've already nailed it. The slides weren't cleaned and lube with the proper product during the last brake job. That caused them to drag, that caused the heat that now forms the new problem.

It is possible all it needs is to be disassembled, cleaned, properly lubed and put back together. If he doesn't drive much, and rarely on the highway, that's what I'd do.

The pistons retract from the vacuum created by a spring pushing the master cylinder piston back after pressure is released.


Best of luck. ....

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2000 Dodge Intrepid Disc Brake Drag

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kthompson
Join Date: Oct 2005
Posts: 5219 South Carolina
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster  View my Photos  Pics

2011-08-05          179682


I have no idea how to tell if rotors have gotten so hot they need to be replaced but depending on type of pads used they could be glazed over and need replacing.

In all my years (about 40) of brake jobs many I also did and last about three hired (fat boy does not bend well) never had a problem until last job. First time every had a pad the glue failed to hold.

Dennis as I typed this a thought came to my mind, if they used the wrong type of pads that is enough to cause it to need high pressure as they may not do as good of job of stopping as the proper pads. Check and see what is recommended and see the type they used. ....

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2000 Dodge Intrepid Disc Brake Drag

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kwschumm
Join Date: Feb 2003
Posts: 5764 NW Oregon
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster  View my Photos  Pics

2011-08-05          179684


This is why I always replace the brake hardware when doing a brake job. It's cheap insurance to keep clean, smooth, well lubed hardware so the calipers slide smoothly and don't squeak. A few comments. In addition to the master cylinder vacuum the retracting action of the caliper piston seal helps to pull them back but they are designed to slightly rub at all times. Also, generally an overheated rotor can be identified by a bluish tinge, streaks or spots on the surface. ....

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2000 Dodge Intrepid Disc Brake Drag

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DennisCTB
Join Date: Nov 1998
Posts: 2646 NorthWest NJ
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster  View my Photos  Pics

2011-08-06          179693


Quote:
Originally Posted by kwschumm | view 179684
This is why I always replace the brake hardware


Hi Ken,

Which parts to you replace, pins and bolts, shims?

Ever look put slotted or drilled rotors on, I have not, wonder if you can just do the fronts? ....

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____________________________________________________________________________________
2000 Dodge Intrepid Disc Brake Drag

View my Photos
kwschumm
Join Date: Feb 2003
Posts: 5764 NW Oregon
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster  View my Photos  Pics

2011-08-06          179695


They sell disc brake hardware kits (not caliper rebuild kits) for most cars. The parts they contain vary on the model but at a minimum usually contains pins and slides. Sometimes they include anti-rattle springs/clips and various retainers and such depending on model.

When I do brake jobs I rebuild calipers too. Sometimes I hire it out and always specify rebuilt calipers. Never thought much of a brake job that didn't include turning rotors, rebuilding calipers, packing bearings, seals and new hardware. Always look for bluing on bearings and spindles too.

I have never used slotted or drilled rotors but am thinking of doing that on our Subaru since rotors warp faster on that car than any other we have owned.
....

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____________________________________________________________________________________
2000 Dodge Intrepid Disc Brake Drag

View my Photos
DennisCTB
Join Date: Nov 1998
Posts: 2646 NorthWest NJ
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster  View my Photos  Pics

2011-11-23          181335


Update, we did nothng and the brakes are no longer binding. I read somewhere that driving back and forth braking hard can help loosen things up if they are going to be cooperative :) ....

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