richard Posted September 10, 2009 Share Posted September 10, 2009 (edited) I need to replace the heater bypass hose on my 97 Pathfinder and it is in a very awkward place. Is there an "easy" way to do it or do I have to go through the engine to get at it? Anyone changed one of these before without taking out a lot of parts? I am cursing myself because when the water pump was changed I had some other things "in there" worked on as well. But Murphey's Law says.... Edited September 10, 2009 by 94extreme inappropriate wording Link to comment Share on other sites More sharing options...
94extreme Posted September 10, 2009 Share Posted September 10, 2009 no easy way that has been found as of yet. good luck. Link to comment Share on other sites More sharing options...
GrimGreg Posted September 10, 2009 Share Posted September 10, 2009 You might be able to do it with just pulling the idler pully bracket off, but it will still be a PITA. Link to comment Share on other sites More sharing options...
87pathy Posted September 10, 2009 Share Posted September 10, 2009 i'm not sure of your problem but i do recoment to cut them off of the heater core (if thats what your after) I have seen way to many heater cores screwed up because of people pulling too hard on them. Link to comment Share on other sites More sharing options...
GrimGreg Posted September 11, 2009 Share Posted September 11, 2009 i'm not sure of your problem but i do recoment to cut them off of the heater core (if thats what your after) I have seen way to many heater cores screwed up because of people pulling too hard on them. The bypass is no where near the heater core. Link to comment Share on other sites More sharing options...
94extreme Posted September 11, 2009 Share Posted September 11, 2009 he did say heater bypass.. it's an r50 so who knows.. the by-pass you and i are talking about is this one: http://www.nissanpathfinders.net/forum/index.php?showtopic=23162&hl= it's behind the timing belt and hard to get at regardless. right there on top of the thermostat housing and behind the timing belt cover. Link to comment Share on other sites More sharing options...
richard Posted September 12, 2009 Author Share Posted September 12, 2009 My goof. I am talking about the small 90 degree hose off of the thermostat and behind the timing belt cover. The one that the link posted by 94xtreme shows. I gather that I should have called it just "bypass hose" and not "heater bypass hose". And I totally agree with the comment in the other thread....that hose is evil. Thankfully I have another vehicle so that I can take my time and "enjoy" this one. Thanks to all for your help. And this forum. First time here, and I have really gained a lot from the other threads in The Garage. Really good stuff for a Screwdriver Mechanic to learn from. he did say heater bypass.. it's an r50 so who knows.. the by-pass you and i are talking about is this one: http://www.nissanpathfinders.net/forum/index.php?showtopic=23162&hl= it's behind the timing belt and hard to get at regardless. right there on top of the thermostat housing and behind the timing belt cover. Link to comment Share on other sites More sharing options...
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