Question about 1978 Chevrolet C1500

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How do you change master cylinder on 1978 Chevy truck

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: My 1989 chevy 1 ton

check the anti lock solinoid to the rear brakes, it has a valve and a resiviour in it, it is in the line to the rear brakes, usually the valve or diaphram goes bad, easiest way to check it is to bypass with a piece of brake line

Posted on Oct 16, 2008

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Jay_from_Ma
  • 99 Answers

SOURCE: 1998 chevy C-1500 brake problems

Try a clean and adjust on the rear shoes, because sometimes when they aren't properly adjusted they won't seem to work properly. Also there is a common "squishy" petal feeling after brake work on most all larger GM's around that year, wich I have run into several times. Try test driving it, and put a couple miles on it, That usualy helps.
Good luck!

Posted on Dec 17, 2008

  • 52 Answers

SOURCE: Power steering pump on a 1978 Chevy half ton

First, remove the ps belt by loosing the adjustment bolts, then remove the hoses from behind it, then unbolt the bracket from the engine that the pump sits in. I believe that there are three bolts that do this. One off of the exhaust manifold, one on top and one underneath. Once you have gotten pump off of the motor you need to remove the pulley from the pump. KD tools make a great tool for this, part # KD 2897, about 60 bucks at napa. Follow the directions with the tool to remove the pulley and to replace it on the new one. New pumps don't come with the pulley and can be bought with the resevior. The pulley has to come off to get the pump out of the mounting bracket.

Posted on Aug 09, 2009

  • 225 Answers

SOURCE: brake bleeding

if you didn't bleed the lines after putting the master in. then there is a good chance there is air in the lines now. may go through a quart of brake fluid before all the air is out. remember to start at r-rear/ l-rear/ r-front/ l-front last.will take some time. don't forget to adjust the rear brake while your there to help with the pedal

Posted on Aug 13, 2009

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Tnsiouxfalls
  • 617 Answers

SOURCE: 1978 Chevy 1/2 ton Truck - fuel is not getting to

On the front of the carburetor where the fuel line comes in is the fuel filter.Did you change that?Take off that line and slip the end into a container,coffee can size.Have a friend turn over the motor,watch for fuel.If you get fuel your needle and seat have seized in the closed position.No fuel check the rubber lines that hook to the fuel pump.You replaced the pump,it's only $2 worth of rubber hoses.If they don't seal the pump can't pull the fuel,it's cheap insurance.

Posted on Jan 05, 2010

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1 Answer

1978. Can a rear cylinder cause the brake light to pop on and stay on?


The light would only come on if the parking brake is on or if the master cylinder is low on fluid.
You may have a problem with the master cylinder or equalizer valve.
The line could be clogged, you could use a suction gun to try to pull fluid thru the line.

Apr 07, 2016 | Chevrolet Impala Cars & Trucks

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2006 chevy trailblazer brake pedal going to floor already changed master cylinder brake still going to floor what could be the problem


There is a leak in the system.....the system is full of air and not bled properly.....the new master cylinder is defective

Jan 06, 2016 | Cars & Trucks

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How to bleed master clutch cylinder on a 1988 chevy s10


Bleed master first and then slave get tube on bleed nipple and keep pumping into bottle keeping tube in fluid in bottle so it will not draw air on return stroke some cars can be quite hard too bleed

Nov 18, 2015 | Cars & Trucks

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I am trying to bleed my front brakes and I keep gettting air in the line. when everything is shut and I pump the brake I hear air in the master cylinder. does that mean it is the master cylinder? 1978...


you have to keep master cylinder topped up as you bleed brakes
start at the furthest wheel from master cylinder slow pumps on the pedal holding down as your companion opens open bleed nipple'if your doing it yourself open bleed screw and fit small tube over nipple and put tube into small container half filled with brake fluid and just pump pedal yourself goodluck

Mar 24, 2011 | Chevrolet K2500 Cars & Trucks

2 Answers

Changed out the master cylinder on my 1978 chevy scottsdale. filled it with brake fluid. now I have no brake pressure at all. what did i do wrong?


Gotta bleed it. It's been written up a thousand times, google "how bleed brakes" and you're set for a little studying.

If you have trouble freeing the bleeder fittings, try: a 3/8" impact, set it very low and let it tap away. Sometimes they'll turn after a couple of minutes of steady application of the impact. If you don't have an impact and you fear breaking the fitting, grab it with a little pair of Vise-grips and tap the vise-grip handle in the proper direction. Just keep tapping, it can take a few minutes. Clamp the pliers on tightly, don't let them slip- they'll really eat that little bleeder quick if you let them slip.

Don't mess around with junk locking pliers from the exotic Orient, they are pretty much without value. The only Vise-grips worth owning is the originals, and the 5" version is incredibly useful for things like breaking the little brake bleeder fittings loose.

lp

Jan 15, 2011 | 1978 Chevrolet C1500

2 Answers

Can you easily convert manual brakes to power brakes on 1978 Chevy c10?


U will need a power booster, a power brake master cylinder and a proportioning valve, u will need a good tubing bender to make up a few brake lines to the proportioing valve from the master cylinder. on a scale of 1-10 this is a 7, 10 is mot difficult.

Jan 18, 2010 | Chevrolet 1500 Cars & Trucks

1 Answer

I have a 1978 trans am with a 403 and have no brakes. does the booster use manifold or ported vacuum?


Hi:
You should have brakes, but a really hard pedal to push, if your booster has no vacuum. If your pedal goes to the floor, you need to fix that problem first.
Check all wheel cylinders for leakage, and check the level of brake fluid in the master cylinder.
Your brake booster has a large vacuum hose that hooks directly to the back of the manifold/ carb base assy.

Dec 02, 2009 | 1978 Pontiac Bonneville

1 Answer

Changing a master cylinder


t just pulls off, it sets in rubber seals.

Jan 24, 2009 | 1993 Chevrolet Corsica

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