Engine Heater Hose connection pipe.
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New User
Joined: Jul 2003
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Engine Heater Hose connection pipe.
Hi all,
I have '77 F250 w/ 351M. The heater hose inlet and oulet are both heavily corroded (engine side side not core). Are they pressed in or threaded? I am assuming that they are pressed as there isn't a hexagonal collar. What is the best way of getting them out without dropping chunks of debris into the water jacket? I have been unable to find any fittings at the local chain store that aren't threaded...any suggestions?
Thanks in advance.
I have '77 F250 w/ 351M. The heater hose inlet and oulet are both heavily corroded (engine side side not core). Are they pressed in or threaded? I am assuming that they are pressed as there isn't a hexagonal collar. What is the best way of getting them out without dropping chunks of debris into the water jacket? I have been unable to find any fittings at the local chain store that aren't threaded...any suggestions?
Thanks in advance.
Postmaster
Joined: Feb 2003
Posts: 2,848
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From: Kentucky
My 79 heater core pipes at the firewall, just look to be the ends of the heater core tubing being stubbed out thru the firewall, no real fittings to it. It looks like they just put some sort of a bump flare at the end of the tubes, just so the hose clamps will have something to squeeze down on. Sorry to say , from where I sit your looking at a new core, or a tricky solder job to extend your rotten tubing ends. good luck all jmo
Logistics Pro
Joined: May 2003
Posts: 4,238
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From: Northern Illinois
If he is reffering to the heater core end's they are non replaceable fittings. They are all 1 big part of the heater core itself.
If he is reffering to the heater hose connector's on the intake manifold and water pump some are pressed in and some are screwed in. If there is no "hexagonal nut" they would be pressed in and require a machine shop to R+R
If he is reffering to the heater hose connector's on the intake manifold and water pump some are pressed in and some are screwed in. If there is no "hexagonal nut" they would be pressed in and require a machine shop to R+R
Postmaster
Joined: Feb 2003
Posts: 2,848
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From: Kentucky
My bad, you guys are right, he said engine side. Those hose fittings on the block/water pump, are pressed in. When my engine shop replaced mine, it became a 3/4 hose fitting pressed in. I had to install a 3/4 in to a 5/8 in hose reducer on it, so I could put my 5/8 in heater hose on it.
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Cross-Country
Joined: Aug 2003
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From: Barneyville USA
Heater Hose Fitting
I just started beating mine back & forth from one side to the other with a hammer til it loosened, then wormed it out with channel locks. Advance or Autozone has the fittings. Put a little Permatex on it & whack it back in.
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New User
Joined: Apr 2004
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the 2 i have delt with were pressed in .I bought a connector with 5\8 hose and 1\2" pipe thread on the other end the o.d. was about .822 .the hole inthe block is .744.I turned the threaded .822 diameter to .744.put it in the freezer.put some sealer on it and pounded it in the 1st one I did has been fine for a year.(I cant get it out to put in my new engine)I had to make a new one.my brother did this also but the hole in his block was a different size than mine.
New User
Joined: Jan 2008
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Yes, they are pressed in.
The nice thing is...once you get the corroded one out the new one fits like a glove with some goo on it
This is more of an engine or Cooling/heating question than a Truck specific question.
Even the *general automotive discussion forum* could handle this one
The nice thing is...once you get the corroded one out the new one fits like a glove with some goo on it
This is more of an engine or Cooling/heating question than a Truck specific question.
Even the *general automotive discussion forum* could handle this one
Junior User
Joined: Mar 2007
Posts: 51
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heater hose inlet
Well i got the new motor put into the truck and started putting everything together and had to deal with the heater hose inlet pipe ,i got it out like everyone on here said easy but the part that was still in the motor fell in so i got my magnet and for 1/2 hour tried to pull it up thru the hole but no luck and now i cant find it so now i mite just drill it out and try and find it that way , thinking what if i cant get it out .
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