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Identifying the right brakes for a '96 2500 V10 2WD

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Old Jun 12, 2012 | 08:08 PM
  #11  
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I broke the bleeders in my calipers when I was doing some work on the truck. (replacing a brake hose.) Went to the parts store to see if I could get bleeders, and just asked them to whip out a caliper, so I could match up some bleeders from it. The caliper they pulled out, that their book listed as for the heavy duty 3/4 ton..... was a dual piston caliper. When I looked at the parts guy cross-eyed, and told him that wasn't the right one... I got the usual "that's what the book shows" response. Asked him to whip out a LD caliper, and sure as shootin', it looked exactly like what was on my truck. (being much cleaner notwithstanding)

The parts books are not always the most accurate things in the world. If you have single piston calipers, you want the Light Duty 3/4 ton calipers.

I would suspect that we have someone on here with a 2wd, 3/4 ton truck..... not sure if engine combination would make a difference here... might want to see if someone comes along, and make a comparo for you, make sure you get the right parts.

Yeah, being several thousand miles away is an excuse I can accept.
 
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Old Jun 12, 2012 | 08:23 PM
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Then it seems odd that the parts stores classify the different calipers as 7500lb vs. 8800lb or 2500LD vs. 2500HD.

As far as visual difference goes, take ACDelco FRC10184 vs. ACDelco 18FR742.





The first caliper is spec'd for 2500 8800lb, the second for 2500 7500lb. Perhaps the bore is 1/16" larger (or whatever) on the first, or maybe the disc a slightly different size.
 
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Old Jun 12, 2012 | 08:58 PM
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If you have the specs on the new ones, yank one of yours, and measure it out.
 
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Old Jun 12, 2012 | 09:50 PM
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Mine are single piston in the front. 8800 lb gvw.
 
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Old Jun 14, 2012 | 11:00 AM
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I pulled off the front left caliper, stripped it down and measured the cylinder bore: 80mm

According to my service manual, my caliper mounting pin bushings are from the 1/2 ton's 75mm brakes - the 3/4 ton's bushings were a different design.

Note the bolt seal/bushings around the mounting pin hole.





1996 (my model year) Ram Truck Service Manual:





See what I mean?

From the second service manual page it looks like the caliper body is different too.

clipper77, if there's any chance you could see/feel what kind of bushings your 4x2 V10 has I'd really appreciate it.
 
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