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Look at routing of main heater hoses...
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Posted by Joe98 (more from Joe98) on Wed, 30 Jul 2008 10:54:45 Share Post by Email
In Reply to: BYPASS VALVE LEAKING.....WANT TO BYPASS, earthbrown, Wed, 30 Jul 2008 10:14:11
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one comes from the water pump (directly under it towards the firewall), and the other snakes around the alternator and towards the intake manifold. These are the two coolant "ports" you want to connect to the two outlets of the heater core. Doesn't matter which one goes on top or bottom of the heater core ports. Orientation just directs which way the coolant will flow into the heater core (top to bottom, or bottom to top).

As was stated before, get heater hoses for a '91 or older, remove the myriad of hoses and junk bypass valve you have now coming from those two ports I described above and throw them all away (or save for future uses...you never know). Then attach the new hoses directly from the coolant ports to the heater core outlets. The hoses are pre-formed, so you'll be able to tell which one goes where.

Don't crank too hard on the clamps on the heater core outlets. They're plastic and will crack.

Joe
'93 900TC 165K
'98 9000CSET 144K

posted by 167.211.6...

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