Question about 1993 Cadillac Eldorado

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Proportioning valve in the rear brake lines

I am working on a 1993 Cadillac Eldorado. I need to know what rear brake line has a proportioning valve in the line right behind the front drivers side tire.

I took the lines off before I realized it have a proportioning valve on ether. So I did not make them.

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Many items need assessment. First what is THE COOLANT LEVEL enine running from cold start. IF LOW . Is there a coolant leak and where ? Lets say all of the previous check OK. ARE THE COOLING FANS OPERATING ? . They are , GREAT. Is it possible the cooling system ( i.e. radiator ) is clogged internally, or blocked exterior cooling fins of the radiator restricting cooling air. Hope this helps.

Posted on Apr 16, 2009

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SOURCE: wire diagram for a 1993 cadillac eldorado radio

Easiest way. Go to any auto store, Pep Boys etc, locate the book for the year of your car and write down the wire diagram.

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SOURCE: 1992 cadillac eldorado 4.9L cranks, won't start

Find out if there's gas going into your carburetor.
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SOURCE: SeaFoam in my 94 Cadillac Eldorado. Bad idea!

I doubt the Sea Foam had anything to do with that. I'd check for a vacuum hose off, especially by the PCV valve. Maybe a broken hose or the PCV valve itself might be stuck. Maybe just put a new one in, they are not that spendy. No vacuum would explain the brakes not working.

Posted on Jan 31, 2010

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SOURCE: 1997 cadillac eldorado instrument cluster removal

remove ac vents with flat head screwdriver . thair should be a 7mm bolt in each vent holding tha dash pad on remove them. remove the trim going to head liner from the dash pad. use a 7mm to remove the bolts holding the cluser in place should be one each side and 3 across the back . disconnect the wiring harness and your done. also disconnect the negative batery cable when doing this

Posted on Apr 03, 2010

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1 Answer

What does the proportioning valve do?


Assuming you're talking about the brake system...
The proportioning valve is on the rear brakes only when the vehicle has rear Drum Brakes.
What it does is limits the brake line pressure to the rear brakes during normal stopping. This way the rear brakes don't lock up and cause the vehicle to fish tail or spin.
When you press the brakes harder than normal, the proportioning valve opens more to allow more line pressure so you're able to stop faster.

Jul 10, 2014 | 1983 Jeep CJ7

1 Answer

Can't get the back brakes to bleed on a 1993 Cadillac Eldorado


they make a tool that keeps the brake proportioning valve open for bleeding them a safety feature to stop fluid in case a line breaks. but a reverse bleed can be done take a 2 ounce syringe fill with brake fluid and open bleeder screw and force fluid back to master cylinder and have someone watch to see air is coming out possibly 2 shootings per side should work.

May 03, 2014 | Cars & Trucks

1 Answer

Brake fluid is leaking from what appears to be some type of small (index finger size) filter in the brake line under the drivers side passenger door. I've never heard of a filter in the brake line,...


i think what your referring to is a proportioning valve that regulates the pressure to the brake that the line goes to,this helps regulate brake pressure to all the wheels so they are the same during braking so there is no wheel lock up while the other wheels don`t lock up.this is a common place for the fluid to leak out when the car gets old enough due to environmental conditions such as winter driving,corrosion,wet weather (lots of rain),salt conditions(living near salt water),it will have to be replaced and the brake lines should be checked for condition as they may need replacing as well.

Aug 12, 2011 | 1993 Cadillac DeVille

1 Answer

Leaking brake fluid from block in rear it is attached to the frame and connected to rear axle with a spring what is this block called I need to replace please help


it is the rear proportioning valve that adds more rear braking as loads are put in the van.

It is about $350, Usually it is just the rusted lines. You can heat the lines carefully at the fittings to break them loose.

93-05 uses a valve with double flare fittings. 96-02 uses ISO (bubble flare) fittins. Otherwise the same.
I can get at discount if you really need one. 93-95 are obsolete now.

go here for help

gerry

http://groups.yahoo.com/group/villagerquest/

May 14, 2011 | 1993 Mercury Villager

1 Answer

My brakes r leaking inbetween the two rear tires n its doesnt look like any proportional valve i ever seen


Grand Ams don't use a proportioning valve. The rear brake lines should split above the rear trailing axle and go to each wheel. They have rubber flex lines that attach to the metal brake lines, but I'm not sure what valve you are talking about, or exactly where.

Apr 11, 2011 | 2001 Pontiac Grand Am SE

1 Answer

Rear brake line rusted out between axles 95 eldorado, wondering where to get parts


you will have to go to auto parts stor. buy replacement line and make new line also get new fittings. or you might can get a used line from a salvage yard CADILLAC PARTS DOES NOT HAVE REPLACEMENT LINES

Aug 22, 2010 | 1995 Cadillac Eldorado

1 Answer

Does anyone have a diagram of the brake lines going from the front to the rear brakes?


No,but the rear brakes may,or may not be joined in threar of the car.They will go all the way up to the proportioning valve,to the master cylinder.

Oct 12, 2009 | 1994 Cadillac DeVille

1 Answer

No fluid to rear brakes on a 1992 Lincoln Continental.  Rear brakes stopped working. Pulled rear wheels and found surface rust on disks. Raised car, spun tire and push brake pedal found no friction...


check at the proportioning valve--some have a pin that sticks out from the side, when bleeding the brakes try to push that pin back in. But first check to see why this happened--fluid leak to rear wheels, brake hoses cracked and air getting into the system??????

Jun 12, 2009 | 1992 Lincoln Continental

1 Answer

I need a diagram of the entire breaking system on a 1993 ford taurus i just replaced a rear line and i think i stripped the extention piece i had to add to the end of the break line. the one that goes into...


here is a 96 taurus

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Item Part Number Description 1 2C296 Anti-Lock Brake Tube 2 2C219 Anti-Lock Brake Module 3 2005 Power Brake Booster 4 2263 Front Brake Tube 5 2B091 Brake Pressure Control Valve 6 2140 Brake Master Cylinder 7 2B547 Brake Load Sensor Proportioning Valve 8 N802191-S60 Bolt 9 2L568 RH Rear Brake Tube 10 2L569 LH Rear Brake Tube 11 2C287 Brake Fluid Distributor Tube 12 N808531-S301 Bolt 13 — Front Side Member 14 N802324-S56 Bolt 15 18124 Front Shock Absorber 16 2B121 Front Disc Brake Caliper 17 2078 Front Brake Hose 18 2264 Front Brake Tube 19 2553 Rear Disc Brake Caliper 20 2A442 Rear Wheel Brake Hose 21 N808728-S60 Bolt 22 — Side Rail 23 N802324-S60 Bolt
Brake Load Sensor Proportioning Valve

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Item Part Number Description 1 2B547 Brake Load Sensor Proportioning Valve 2 — Body 3 N802191-S56 Bolt (2 Req'd) 4 2L568 Brake Tube Assy 5 2L569 Brake Tube Assy 6 2265 Brake Tube Assy 7 2B255 Brake Tube Assy 8 5500 Rear Suspension Arm and Bushing 9 W611634-S301 Bolt A — Tighten to 11.4-15.6 Nm
(8-12 Lb-Ft) B — Tighten to 10-14 Nm (7-10 Lb-Ft)

Brake Hose, Rear —Drum

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Item Part Number Description 1 — Rear Side Rail 2 2L569 Rear Brake Tube 3 N602324-S60 Screw 4 N611193-S60 Screw 5 2C023 Left Hand Rear Hose and Connector 6 2210 Rear Drum Brake Backing Plate 7 18125 Rear Shock Absorber 8 2267 Rear Brake Tube A — Tighten to 16-20 Nm (12-15 Lb-Ft)

May 10, 2009 | 1993 Ford Taurus

1 Answer

No brake fluid flow to right rear brake


the stratus is know for clasped rear brake hoses .This stops the flow off brake fluid. try opening the brake lines at the master cylinder that go to the rear.pump up brakes first! if you got fluid than check the brake line if this is rear disc brakes on the line at the rear will be a built in proportioning valve.if drum loosen rubber hose line before the rubber part to see if you have fluid. If you do replace the brake hose! On you 74 challenger by the way i love dodge! any way on the valve there is a small button on the front of the proportioning valve that pops out it needs to be tap in lightly. also hit the brake peddel kind of hard a couple off times if that doesn't work. thanks for your question


p.s that hex bar on the is a junction not a proportioning valve .

Apr 29, 2009 | 2001 Dodge Stratus

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