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2004 Dodge Ram 1500 2wd

squirrel dog

squirrel dog

Diamond Member
This is my wife's truck . She calls saying the truck wont hardly go forward . She put the excelerator down till the trans overheated,then stopped.All four tires were locked up,the rotors were blue . Had truck towed to dealer,they just called with no trouble codes in computer,saying it starts and drives fine . This is the 4.7 v8. What would cause something like this?Truck has 37k on clock. Help !!
 
Sounds to me like someone likes to two foot the truck. One on the gas, the other hovering on the brake pedal, hence the blue tint to the stuff from over heating. And as such when car was parked the brakes temp fused to each other till it broke free at the dealship. How to fix, tell wife to maybe drive proper and keep foot away from brake pedal while truck is moving? Other then that, there is NOTHING that would cause the brakes to come on all the time like that because abs is a valve that opens and closes quickly, it applies no pressure to the system.

Not to mention it will wear your brakes faster, and is unsafe for other drivers because the brake light will be on all the time and people behind her wont have any clue as to when she will really be stopping for real.
 
I cant imagine all 4 getting stuck. One caliper can get stuck if a brake hose collapses. A caliper that doesnt properly retract would just drag and overhead, but it shouldnt stick. Perhaps the brake booster malfunctioned and didnt allow the brakes to release. If this were the case, she would have smelt the brakes cooking the last time she drove it. The rotors probably would have been glowing like light bulbs.
 
Originally posted by: squirrel dog
This is my wife's truck . She calls saying the truck wont hardly go forward . She put the excelerator down till the trans overheated,then stopped.All four tires were locked up,the rotors were blue . Had truck towed to dealer,they just called with no trouble codes in computer,saying it starts and drives fine . This is the 4.7 v8. What would cause something like this?Truck has 37k on clock. Help !!
Click to expand...

OK WTF?
 
Originally posted by: funboy42
Sounds to me like someone likes to two foot the truck. One on the gas, the other hovering on the brake pedal, hence the blue tint to the stuff from over heating. And as such when car was parked the brakes temp fused to each other till it broke free at the dealship. How to fix, tell wife to maybe drive proper and keep foot away from brake pedal while truck is moving? Other then that, there is NOTHING that would cause the brakes to come on all the time like that because abs is a valve that opens and closes quickly, it applies no pressure to the system.

Not to mention it will wear your brakes faster, and is unsafe for other drivers because the brake light will be on all the time and people behind her wont have any clue as to when she will really be stopping for real.
Click to expand...

While I agree with your diagnosis, the bolded part is questionable. Although it is rare, rubber brake lines can degrade in a way that makes an obstruction preventing brake fluid from returning to the reservoir. Essentially, the brake lines act like a check valve and prevent the pressure from releasing on the calipers. Again, this is rare, and probably completely unheard of on a vehicle this new, but just thought I would clarify that it can happen.
 
How'd they tow it if all 4 brakes were locked and stuck that way?

They'd have had to drag it up on a flatbed, and then how would they get it off?

If the rotors are blue, you probably need new rotors.

The only way the rotors would get blue is if the truck was moving pretty good with the brakes on, imo. If the truck would hardly move, the rotors probably wouldn't get that hot.

Aren't there still two seperate brake systems on vehicles these days to prevent loss of all braking?
 
Originally posted by: LTC8K6
How'd they tow it if all 4 brakes were locked and stuck that way?

They'd have had to drag it up on a flatbed, and then how would they get it off?
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Had the transmission blow up in a Lexus and had to get it towed. They just used the winch to drag it up the flatbed. To get it off, the put the bed at and angle and just moved the bed back real fast with the hydraulics and then stop it. The car would jerk a few inches at a time. Once one set of wheels was off, they drove out from underneath.

I have no idea if it's the same way with a 1500, but my 2500 has floating calipers. People have said if you don't lube the sliders, it can wear a hole in them and the caliper will get stuck and lock the wheel, but I don't see how that could happen to all 4.
 
How did they tow? Flatbed.

As far as this not being able to happen? My mom drove our '78 GMC about 10 miles (including on the highway) in 4 low (full time transfer case, don't know if it was left in lock or normal) and complained about it making a lot of noise.

This is the first time I've heard of anything like that happening. The most likely cause that I can think of would be a stuck solenoid in the ABS system.
 
Thanks for the replies guys , here's an update.The truck rolled onto the flatbed,the tow truck driver started the truck and it drove forward.It rolled off the wrecker at the dealer . The dealer can't find anything wrong with it . They spent 2 hours going over it and driving it . It has an extended warrenty from the dealer . The mech. were i work seems to think it has to be something to do with the abs system or abs controller if there is such a thing . He has never had a trouble like this in his time as a mech . So I dont know . Me,if a car has trouble going forward i would stop,not try to make it a mile further,turning the rotors blue,trans overheat light coming on,ect . Women !
 
Originally posted by: jagec
I recommend a bus pass. I'm sorry, but some people simply should not drive.
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Agreed. OP's wife definitely should not be driving a truck at the very least.
 
Im tellin yea, its being two footed. Blue rotors mean big time heat. You heat them suckers up by two footing the truck, then go park it, it cools, welding the pads to the rotors, then you got lock up till you get a good "JOLT" to break the weld free, brakes act as normal, other then the blue tint giving it away they been seriously heated up.

I would change your pads and rotors for they been big time heat treated and their effectiveness is down by half, and tell your wife one foot for each pedal before she kills someone. By two footing it produces all that extra heat, and her braking during that time will be almost non existent, so when she does go to hit them in the "oh shit situation" it be like putting ice cubes to glass because fo all the brake fade due to excessive heat she was producing. Just a very light amount of pressure on the brake pedal while moving is all you need to heat them up good, so just hovering lightly on the brake pedal will heat them up to the point as you described in the beginning.

The mechanics you took it to are dumb asses because they should of known looking at it how it been driven, then had one of them gone for a ride with your wife would of busted her for driving in such a way. If I was the manager of the shop I would of told you what I have already and sold you a brak job for its totally unsafe now to be driven. AT A MIN, the rotors need to be cut and new pads put on, and I bet anything you take the pads off they will be glazed. And so you know, that kind of driving wouldnt be covered under ANY kind of warranty because is negligence not any mechanical break down causing the problem.
 
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