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Rusted out fitting heater core to engine block

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Old 10-10-2012, 02:04 PM   #1
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Question Rusted out fitting heater core to engine block

Hello F150 commmunity!

I was hoping someone would be able to give me some info and advise regarding my current dilemma.

I have a 1987 ford f350 crew cab with 351 cu 5.8 engine. Unfortunately I have a rusted out fitting located on top of my engine block towards the front. it goes directly to the heater core and I believe it's called the hot water return. The piece with the rusted out nipple also has two vacuum ported switches threaded inside it. And the whole assembly seems to be threaded inside the engine block. I was hoping if someone knows that name of this piece. I wasn't able to find it at my local parts store and I now believe it may be an old ford part. I would curious if a new nipple could be welded one in such a tight area. Any suggestions?
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Old 10-10-2012, 02:31 PM   #2
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Default A pic of the damage

yikes!
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Rusted out fitting heater core to engine block-img_6986.jpg  
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Old 10-10-2012, 10:08 PM   #3
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It's just a four way tee. Might be hard to find unless you go to some junkyards, otherwise something can be made fairly easily with pipe fittings.
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Old 10-11-2012, 12:40 AM   #4
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I was gonna start checking the junkyards this weekend.. Pipe fittings area good idea as well. I was also thinking of pinching and jb welding the hole shut. Then capping off the inlet tube on the water pump which also went to the heater core. Basically bypassing the heater core completely. I don't have an A/C compressor installed and won't need the heater down here in Florida.
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Old 10-11-2012, 12:51 AM   #5
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You can just get a nipple for the heater hose and delete those switches if you want (since you're in a no inspection state). They're for the emissions crap.
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Old 10-11-2012, 08:14 AM   #6
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So thats what those switches are for. I see... Thanks for clarifying that. You think I could remove the smog pump as well? hmm.
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Old 10-11-2012, 12:03 PM   #7
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I sure would.
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