two questions
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two questions
First, I am not able to get the truck to start unless I use starting fluid. I just replaced the glow plugs. I'm thinking it has some fuel problem. Where is the most common place to start with.
Second, When you are facing the truck, they is a pulley/pump on the lower left side of the eng. Their are hoses coming from the brake pump. What is it?
1990 F250 w/7.3.
Second, When you are facing the truck, they is a pulley/pump on the lower left side of the eng. Their are hoses coming from the brake pump. What is it?
1990 F250 w/7.3.
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New User
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It's on the other side. Under alternator. It looks like the their needs to be a belt on it that goes to it from the alternator. I'm thinking it's the same thing. I was wondering does it use it for the brakes as well as fuel pressure?
Senior User
Joined: Feb 2007
Posts: 426
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From: Pukalani, HI
First, I am not able to get the truck to start unless I use starting fluid. I just replaced the glow plugs. I'm thinking it has some fuel problem. Where is the most common place to start with.
Second, When you are facing the truck, they is a pulley/pump on the lower left side of the eng. Their are hoses coming from the brake pump. What is it?
1990 F250 w/7.3.
Second, When you are facing the truck, they is a pulley/pump on the lower left side of the eng. Their are hoses coming from the brake pump. What is it?
1990 F250 w/7.3.
i ain't rite
Joined: Mar 2005
Posts: 65,579
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From: Marlboro Mental Hospital.
the little pump under the alternator is your vacuum pump. there should be a small belt from it to the alternator pulley. if it is not hooked up, you will not have any power brakes, cruise control, or heater?AC controls.
it has nothing to do with the fuel circuit.
be very careful with the either. it does not go well with our trucks.
especially if your glow plugs are working.
what type of glow plugs did you put in it??
anything other than MOTORCRAFT/BERU are not recommended, because they burn out very fast, and the tips have a tendency to swell, making it almost imposable to remove them from the head.
as for the fuel problem, look at the return lines on each injector. if there are any leaks, you will get air intrusion into the fuel system, and the fuel filter will drain back to the fuel tank overnight, causing a no start condition in the morning.
a bad enough leak will give you a no start condition after 3-4 hours of sitting.
it has nothing to do with the fuel circuit.
be very careful with the either. it does not go well with our trucks.
especially if your glow plugs are working.
what type of glow plugs did you put in it??
anything other than MOTORCRAFT/BERU are not recommended, because they burn out very fast, and the tips have a tendency to swell, making it almost imposable to remove them from the head.
as for the fuel problem, look at the return lines on each injector. if there are any leaks, you will get air intrusion into the fuel system, and the fuel filter will drain back to the fuel tank overnight, causing a no start condition in the morning.
a bad enough leak will give you a no start condition after 3-4 hours of sitting.
Senior User
Joined: Mar 2008
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From: Vancouver,WA.
[QUOTE=AFAIRFORD;
Second, When you are facing the truck, they is a pulley/pump on the lower left side of the eng. Their are hoses coming from the brake pump. What is it?
1990 F250 w/7.3.
[/QUOTE]
on '91 its the vacuum pump...
Second, When you are facing the truck, they is a pulley/pump on the lower left side of the eng. Their are hoses coming from the brake pump. What is it?
1990 F250 w/7.3.
[/QUOTE]on '91 its the vacuum pump...
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Post Fiend
Joined: Nov 2003
Posts: 21,285
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From: Nutter Fort, WV
Afairford,
Welcome to FTE and the IDI forum.
Looks like I got here to late to answer any questions, but I did get to welcome you so all is not lost.
Welcome to FTE and the IDI forum.
Looks like I got here to late to answer any questions, but I did get to welcome you so all is not lost.
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