Having to over tighten those clamps is a symptom, the pipe ends fail from the plastic hardening and then the sleeve corroding. This is usually an effect from a previous over heating episode. If the pipes are discolored time to change them. If on the East Coast Bus Depot may be able to get you the pipes sooner and often at a better price. The factory in later years went to spring type clamps for most of the hose on plastic part connections.
Dennis
-----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of Stuart MacMillan Sent: Monday, January 11, 2016 12:34 PM To: vanagon@GERRY.VANAGON.COM Subject: More leaks Pressure testing my son's '87 cooling system not only revealed head gasket leaks, but a big leak at one of the plastic pipes to the radiator. I can see that this is the problem: http://www.gowesty.com/tech-article-details.php?id=73
It looks like the PO tightened a hose clamp so tight the plastic pipe is deformed, but I'm thinking that judicious application of heat will soften it and let me tap the steel sleeve back in.
Has anyone on the list had any experience installing this kit?: http://www.gowesty.com/product-details.php?v=Vanagon <http://www.gowesty.com/product-details.php?v=Vanagon&id=3643&type=Mechanica l> &id=3643&type=Mechanical
It seems like it should be preventive maintenance for all '86-'91 vans.
Stuart |
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