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71 Ranchero Radiator Help. Spewing everywhere

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Jordanbrown123 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jordanbrown123 Quote  Post ReplyReply Direct Link To This Post Posted: Yesterday at 10:07AM
Here are some pics of the water pump. Its a driver side inlet. I think its a clockwise pump but im not entirely sure. 


71 Ranchero, 302.
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Jordanbrown123 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jordanbrown123 Quote  Post ReplyReply Direct Link To This Post Posted: Yesterday at 10:08AM
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Big Bird Quote  Post ReplyReply Direct Link To This Post Posted: Yesterday at 10:38AM
there should be a back cover on the water pump. Did you take it off? It's holes need to be the same shape and orientation as the water ports in your timing cover.
Your fan is the right direction for non-serpentine.
I took my radiator cap off and played with my car, and I can't duplicate the Volcano. It will "Burp" a little after the thermostat opens if I open the throttle and then let off hard, but not much.


Edited by Big Bird - Yesterday at 10:48AM
The above post should be read in a "Grumpy Old Man" voice.
Almost forgot: "Get off my lawn!!!"
Randy
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dave302 Quote  Post ReplyReply Direct Link To This Post Posted: Yesterday at 11:35AM
That appears to be a stock (non-high volume/non-high flow) water pump. They are used on 1970 through 1977 302's. They might have been used as late as 1982 on some engines. The inner water pump blades/vanes appear to be for a clockwise rotation, but I am not 100% sure about this.
 
The part number says that the water pump is from a 1977 ford truck such as an f-150, f-250 or an f-350. But as another member said it might have been replaced at some time in the past.


Edited by dave302 - Yesterday at 12:40PM
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dave302 Quote  Post ReplyReply Direct Link To This Post Posted: Yesterday at 11:50AM
There is a picture below of the type of water pump inner blades/vanes that you have. They appear to be for a clockwise rotation. Maybe one of the other members will know if they are for sure.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jordanbrown123 Quote  Post ReplyReply Direct Link To This Post Posted: Yesterday at 12:18PM
Yea i removed the backing plate. The pump doesn't appear to have anything wrong with it assuming its cw. 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Big Bird Quote  Post ReplyReply Direct Link To This Post Posted: 9 hours 57 minutes ago at 9:34AM
There are  couple-three different plate water flow hole patterns, and the back plate has to match your timing cover.
The above post should be read in a "Grumpy Old Man" voice.
Almost forgot: "Get off my lawn!!!"
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Rockatansky Quote  Post ReplyReply Direct Link To This Post Posted: 6 hours 1 minutes ago at 1:30PM
at first it looks like the typical thermostat opening heave until quite a bit too much blows out the hole
 
spew is a fair description
 
what happens with the cap on & tight?
72 GT Ute
   
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dave302 Quote  Post ReplyReply Direct Link To This Post Posted: 2 hours 50 minutes ago at 4:41PM
Originally posted by Rockatansky Rockatansky wrote:

what happens with the cap on & tight?
Originally posted by Jordanbrown123 Jordanbrown123 wrote:

I went and got a new rad cap, hoping this was the problem. I jacked the front end up and filled it up with coolant to the cold line. Started the car up and let it warm up with the cap off. No issues/bubbles/spraying out... untill the thermostat opened up. then all hell broke loose lol. Just started pouring out the rad. So i slapped on the new rad cap and within 1 min the cap opened up and it let the water out. About half of the radiator worth.... The water wasnt even very hot coming out. No steam or anything. 
Time to tear this thing apart i say.. New rad and water pump is on my to do list now.
 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dave302 Quote  Post ReplyReply Direct Link To This Post Posted: 2 hours 49 minutes ago at 4:42PM
Originally posted by Rockatansky Rockatansky wrote:

what happens with the cap on & tight?
 
Originally posted by Jordanbrown123 Jordanbrown123 wrote:

I went and got a new rad cap, hoping this was the problem. I jacked the front end up and filled it up with coolant to the cold line. Started the car up and let it warm up with the cap off. No issues/bubbles/spraying out... untill the thermostat opened up. then all hell broke loose lol. Just started pouring out the rad. So i slapped on the new rad cap and within 1 min the cap opened up and it let the water out. About half of the radiator worth.... The water wasnt even very hot coming out. No steam or anything. 
Time to tear this thing apart i say.. New rad and water pump is on my to do list now.
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Jordanbrown123 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jordanbrown123 Quote  Post ReplyReply Direct Link To This Post Posted: 2 hours 25 minutes ago at 5:06PM
Yea the backing plate lines up properly. Nothing seems out of the ordinary. I hope all this is just a radiator blockage and not an engine blockage. 
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