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  #46 (permalink)  
Old 04-05-2019, 03:20 PM
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Try it. It won't hurt anything. You've got nothing to loose.

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Old 04-06-2019, 09:51 AM
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The 90 degree bypass hose and the heater both bypass the thermostat when the thermostat is closed with engine cold. By choking off the 90 degree bypass hose, the coolant has to go thru the heater especially when the thermostat is closed. Give it a shot.
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Old 04-07-2019, 07:59 AM
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Your heater hose on top of the intake feeds the heater then the return line from the heater goes to the waterpump.

Get a bucket fill it about 1/2 way up.
Put both these hoses in the bucket away from moving parts.
Start the engine.
It should spray out coolant from the intake(pressure)hose like nuts.

If it doesn't your pump has a issue.

Sometimes ford used a 3rd bypass hose which you can eliminate. This just bypasses the heatercore to keep hot coolant from running through it during the summer. Most of the time it does not work or causes a restriction. Less parts is better.

You can flip your hoses every couple of years to send coolant backwards through the heater core and keep it clean.
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  #49 (permalink)  
Old 05-12-2019, 09:51 AM
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Still working on this issue. I will try the bucket suggestion. Is there a way to identify a water pump? With out taking it apart?

Last edited by Ralfareno; 05-12-2019 at 10:13 AM.
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  #50 (permalink)  
Old 05-12-2019, 09:07 PM
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I have discovered my water pump has seven bolt mounting. Does this indicate a ccw rotation? If so does anyone make a seven bolt cw rotation pump? Thanks
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Old 05-13-2019, 03:53 AM
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As was said in earlier posts, if you had the wrong rotation water pump, the engine would boil over in a matter of a few minutes. Also see my picture above.
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Old 05-13-2019, 06:00 AM
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Quote:
Originally Posted by Ralfareno View Post
Still working on this issue. I will try the bucket suggestion. Is there a way to identify a water pump? With out taking it apart?
Put some marking paint, whiteout, sticker, etc on the front of your crank pulley and water pump pulley.

Have someone tap the key while you watch to see if your crank is turning clockwise or counter clockwise.

If the water pump is turning the same way as the crank that is standard rotation. If turning the other way that is reverse rotation.

To find long from short you measure from the block face to the front of the pulley to get a rough measurement. Short is around 5 5/8 with a pulley. Long is around 7 1/4.
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  #53 (permalink)  
Old 05-13-2019, 07:35 AM
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Austin, Thanks for all your help. I did have some over heating issues. I had a non pressure cap on the radiator. It would take a very long time to over heat. Usually in stop and go traffic. I have since install a new aluminum radiator with pressure cap.
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Old 05-13-2019, 07:39 AM
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The engine would run at 142 degrees for the longest time an then jump to 180 and over heat.
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Old 05-13-2019, 10:19 AM
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It sounds like you may have a big air bubble in the system. Make sure your radiator is full to the cap after it cools down. Do you have an overflow tank? If you do, it should be about 1/3 full when cold. Is your fan belt the proper width for the pulleys and tight? Pressure cap should be about 12 PSI. Modern cars go up to 16 PSI or more. Is your bottom radiator hose collapsing restricting flow to the water pump?
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  #56 (permalink)  
Old 05-13-2019, 12:01 PM
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Here is what I did. I blocked off the suction hose. I removed the hose from the manifold. Installed a short piece of hose and pointed it in a bucket. Had a helper start the engine. No pressure coming out. I could block the flow with my thumb with no problem. I am now thinking the water pump is a reverse flow pump. What are your thoughts?
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Old 05-14-2019, 05:18 AM
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What suction hose did you block off in your bucket test? If coolant can't get to the pump, then the pump can't pump coolant. If your pump is questionable, remove it and check it out. Check my pictures above to determine the pump rotation. You have a v belt drive so the pump impeller has to be designed for same as "crank rotation". See picture.
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  #58 (permalink)  
Old 05-14-2019, 08:57 AM
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Heater Problems

I blocked off the heater return line.
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Old 05-14-2019, 01:18 PM
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I forgot the thermostat in that. Pull the hose at the block and pull the thermostat then tap the key
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Old 05-19-2019, 03:01 PM
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Heater problem solved. I replace the water pump with a clock wise rotation pump. Heater is working great. Radiator holding at 180.Thanks for all the help.
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