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coolant heater install (ohh chump)

1522 Views 7 Replies 4 Participants Last post by  Chump
ok i was given a coolant heater and i know that it istalls with the 5/16 heater hose but on my water pump which is the in and which is the out so that i make sure to line it up right, i am talking about the heater core hoses, which one is pumping into the heater core and which is the return from the heater core? ohh yea 400 bb if anyone needs to know
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Does this help some? Remember to keep your temp selector on the dash pushed over to heat for better circulation.:)

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DennisH said:
Was just browsing through the posts and i noticed that trucks with air conditioning should have that little shut off on the heater hose does that include an 89 318 w/ ac cause mine dosnt have one oh and there just happens to be a golf tee in a vaccume line thats dangling in the area..... I wonder why any one would remove it. cant be good for ac performance can it ?
I guess it's just easier to remove it than spend $10 at Autozone for a new one. There should be one inline on your truck.
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