Update on work done
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Joined: Jun 2004
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Update on work done
Well Its been nothing but problems since I bought it. So here is what I have done or had done.
New lift pump, New injection pump (turned up), New injectors, New Batteries, New Transmission Rebuilt, with the Billet heavy duty torque converter and all updated parts on the inside of the transmission. Dropped front tank cleaned out screen, (lots of grass)?? Pulled off the top of the motor, replaced both head gaskets, val-cover gaskets, new thermostat. Had the radiator hot tanked and cleaned up, with new paint. Just drove it for the past 2 days. I have a small leak at the radiator.. I need to tighten a hose and that's that. Also forgot to add, New 3" exhaust from the down pipe back blowing through a glass pack.
Now I have noticed that my cruise control don't work, BUT my e-brake light wont go off. I'm guessing This is the cause of that. Anyone agree with me?
New lift pump, New injection pump (turned up), New injectors, New Batteries, New Transmission Rebuilt, with the Billet heavy duty torque converter and all updated parts on the inside of the transmission. Dropped front tank cleaned out screen, (lots of grass)?? Pulled off the top of the motor, replaced both head gaskets, val-cover gaskets, new thermostat. Had the radiator hot tanked and cleaned up, with new paint. Just drove it for the past 2 days. I have a small leak at the radiator.. I need to tighten a hose and that's that. Also forgot to add, New 3" exhaust from the down pipe back blowing through a glass pack.
Now I have noticed that my cruise control don't work, BUT my e-brake light wont go off. I'm guessing This is the cause of that. Anyone agree with me?
Post Fiend
Joined: Nov 2003
Posts: 21,285
Likes: 15
From: Nutter Fort, WV
I think the 94 has a vacuum pump.
Grass in the fuel tank?
Are you sure it was not algae?
There is a brownish color algae that does grow in diesel.
And it makes a mess of fuel filters.
If it was algae, I would run several tanks of fuel with a very strong does of Diesel Kleen through the truck to kill the algae.
Also was there any water in the fuel tank?
The water seems to help the algae grow.
Grass in the fuel tank?
Are you sure it was not algae?
There is a brownish color algae that does grow in diesel.
And it makes a mess of fuel filters.
If it was algae, I would run several tanks of fuel with a very strong does of Diesel Kleen through the truck to kill the algae.
Also was there any water in the fuel tank?
The water seems to help the algae grow.
Thread Starter
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Senior User
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I promise to get you some soon im in the middle of fixing the body. Nice truck though!
Thread Starter
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Senior User
Joined: Jun 2004
Posts: 238
Likes: 0
I think the 94 has a vacuum pump.
Grass in the fuel tank?
Are you sure it was not algae?
There is a brownish color algae that does grow in diesel.
And it makes a mess of fuel filters.
If it was algae, I would run several tanks of fuel with a very strong does of Diesel Kleen through the truck to kill the algae.
Also was there any water in the fuel tank?
The water seems to help the algae grow.
Grass in the fuel tank?
Are you sure it was not algae?
There is a brownish color algae that does grow in diesel.
And it makes a mess of fuel filters.
If it was algae, I would run several tanks of fuel with a very strong does of Diesel Kleen through the truck to kill the algae.
Also was there any water in the fuel tank?
The water seems to help the algae grow.
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Senior User
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Is the reason my c.c is not working,because my break light is stuck on? Even though it not in use.
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From: Holladay, UT
I don't know about a '94, but on my '84 the parking brake light was always on. It was because the cable sticks, and the parking brake lever doesn't come all the way up when you hit the release. I finally disconnected the wire from the switch.
I suppose the cruise control might be wired to become disabled when the parking brake is on. If you disconnect the wire from the switch on the parking brake and the light goes out and your cc starts working, then you'll know that was it.
I suppose the cruise control might be wired to become disabled when the parking brake is on. If you disconnect the wire from the switch on the parking brake and the light goes out and your cc starts working, then you'll know that was it.
Post Fiend
Joined: Nov 2003
Posts: 21,285
Likes: 15
From: Nutter Fort, WV
The cruise control should be tied into the truck brake lights to disable the cruise control when the brakes are applied.
The brake light in the dash can be turned on by low vacuum, parking brake pedal or the switch in the line proportioning valve that is set when you have a problem with either the front or rear brake lines.
Finding out what is causing the light to come on is usually sort of easy, test vacuum is a good start.
If the heater will switch to floor, defrost or vent, you probably have vacuum.
Pull the parking brake release, pull the parking brake pedal up with your foot, does the light go out then?
If so, you probably have E brake cable problems.
If neither of the above turn the light out, the switch in the proportioning valve is set, to turn it off you will have to bleed either the front of rear brakes and stab the brake pedal a couple times to reset the switch.
A blown brake line or wheel cylinder/caliper piston seals are what sets that switch to turn the light on, and also shuts off brake fluid to the circuit affected by the leak.
The brake light in the dash can be turned on by low vacuum, parking brake pedal or the switch in the line proportioning valve that is set when you have a problem with either the front or rear brake lines.
Finding out what is causing the light to come on is usually sort of easy, test vacuum is a good start.
If the heater will switch to floor, defrost or vent, you probably have vacuum.
Pull the parking brake release, pull the parking brake pedal up with your foot, does the light go out then?
If so, you probably have E brake cable problems.
If neither of the above turn the light out, the switch in the proportioning valve is set, to turn it off you will have to bleed either the front of rear brakes and stab the brake pedal a couple times to reset the switch.
A blown brake line or wheel cylinder/caliper piston seals are what sets that switch to turn the light on, and also shuts off brake fluid to the circuit affected by the leak.
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The cruise control should be tied into the truck brake lights to disable the cruise control when the brakes are applied.
The brake light in the dash can be turned on by low vacuum, parking brake pedal or the switch in the line proportioning valve that is set when you have a problem with either the front or rear brake lines.
Finding out what is causing the light to come on is usually sort of easy, test vacuum is a good start.
If the heater will switch to floor, defrost or vent, you probably have vacuum.
Pull the parking brake release, pull the parking brake pedal up with your foot, does the light go out then?
If so, you probably have E brake cable problems.
If neither of the above turn the light out, the switch in the proportioning valve is set, to turn it off you will have to bleed either the front of rear brakes and stab the brake pedal a couple times to reset the switch.
A blown brake line or wheel cylinder/caliper piston seals are what sets that switch to turn the light on, and also shuts off brake fluid to the circuit affected by the leak.
The brake light in the dash can be turned on by low vacuum, parking brake pedal or the switch in the line proportioning valve that is set when you have a problem with either the front or rear brake lines.
Finding out what is causing the light to come on is usually sort of easy, test vacuum is a good start.
If the heater will switch to floor, defrost or vent, you probably have vacuum.
Pull the parking brake release, pull the parking brake pedal up with your foot, does the light go out then?
If so, you probably have E brake cable problems.
If neither of the above turn the light out, the switch in the proportioning valve is set, to turn it off you will have to bleed either the front of rear brakes and stab the brake pedal a couple times to reset the switch.
A blown brake line or wheel cylinder/caliper piston seals are what sets that switch to turn the light on, and also shuts off brake fluid to the circuit affected by the leak.
Ok Ill run though these options. I know that my heater switches fine. And I can pull up on the e brake and it still stays on. But If im going up hill and mash the pedal it will go out for a but till i let off.
Lead Driver
Joined: Dec 2006
Posts: 6,496
Likes: 94
From: So. Jersey
Right there tells me you have weak vacuum pump or a leak somewhere. High rpm's is building just enough vacuum to turn out the light.
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Senior User
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How can i check the vacuum pump? I have fixed a white hose up by the passenger side up top. going into my fire wall a while back. It was all chewed up and falling apart. Could this be a possible leak? But like i said the heater switches from vent to defrost to floor fine.
Lead Driver
Joined: Dec 2006
Posts: 6,496
Likes: 94
From: So. Jersey
Start right at the v-pump on the engine. Unplug the hose and check vacuum. The main thing too is the recovery, or how quickly it draws max vacuum. I think specs are atleast 21 Hg at sealevel within 30 seconds. If the pump meets requirements then start chasing hoses from the manifold on the firewall by disconnecting one at a time and plugging it. If the vacuum starts to build quickly then that's the hose leaking somewhere.
Thread Starter
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Senior User
Joined: Jun 2004
Posts: 238
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Start right at the v-pump on the engine. Unplug the hose and check vacuum. The main thing too is the recovery, or how quickly it draws max vacuum. I think specs are atleast 21 Hg at sealevel within 30 seconds. If the pump meets requirements then start chasing hoses from the manifold on the firewall by disconnecting one at a time and plugging it. If the vacuum starts to build quickly then that's the hose leaking somewhere.