2nd Gen Non-Engine/Transmission Brake caliper drag

[ROADWARRIOR]

I don't know the first thing about brakes, but I've always wondered how much drag is normal on the front disk brakes. My pads look good as I use the E-brake mostly. I had the truck in the shop a year or two ago and the tech said the wheels have enough "free spin". As I recall, they won't free wheel more than one complete revolution if that. The brakes work fine, I'm just curious if something in the caliper return is worn and eating up fuel economy?



TIA,

Dan

 

[rbattelle]

This is an interesting point. Reducing caliper drag can have a noticeable impact on fuel economy, but I'm not clear on exactly how to go about doing it.

Other than ensuring your caliper sliders are well lubricated and sliding free, I don't see what else can be done.

Ryan

 

[DSeamans]

The easiest thing you can do is with the slide/mount bolts. The calipers rust in the holes and squeeze the rubber boots against the bolts. I have had that actually lock up a caliper. Chain saw file cleans them out and then good lube.

 

[San Felipe Bob]

Drag

Check out my Vid on You tube showing proper amount of spin/drag.



YouTube - Dodge caliper test



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