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radiator hose top or bottom?


ajspath
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my 93 nissan pathfinder leaks radiator fluid. luckily the diagnosis was only a slit radiator hose located here:

 

out.jpg

in.jpg

 

i called pepboys for a replacement hose, and they asked me if i'm looking for the "top" or "bottom" radiator hose... i'm not sure. which one is it? thanks everyone.

Edited by ajspath
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That's the bypass hose.

It is rarely replaced when people replace radiator hoses, so it is not uncommon for them to eventually fail due to neglect.

Unfortunately, it is a bit of a, ahem, bear to do. Slick did a nice (and colorful, as I recall) write up on it in the past.

 

I did mine as PM while I was doing the timing belt and water pump so it wasn't nearly so bad.

 

Most of us just get a generic formed (tight right angle) hose at Napa. Bring in the old one, match the ID, and then cut the ends to the right lengths.

Edited by mws
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That's the bypass hose.

It is rarely replaced when people replace radiator hoses, so it is not uncommon for them to eventually fail due to neglect.

Unfortunately, it is a bit of a, ahem, bear to do. Slick did a nice (and colorful, as I recall) write up on it in the past.

 

I did mine as PM while I was doing the timing belt and water pump so it wasn't nearly so bad.

 

Most of us just get a generic formed (tight right angle) hose at Napa. Bring in the old one, match the ID, and then cut the ends to the right lengths.

 

thanks! i did a search and found the thread...

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