That's weird you are getting bubbles in the overflow tank. That would mean the pressure cap on the coolant tank is releasing. Could it just need a new cap? Edward At 09:13 PM 1/16/2008, John Runberg wrote: >Slowly have been playing w/ a 90 GL that's had a shload of issues. >We're down to "hobby" status on this one as no-one in their right >mind would keep fixing things :) > >Back-story: >Have replaces a series of failed parts located by observation >(coolant leaking, etc...) - radiator, some hoses new and some >reattached, main coolant and overflow tanks + sensor. > >Situation: >Consistently have been getting air into a properly bled system (by >list procedure, Bently, two separate specialty shops). Has had >pressure test done & system holds pressure with no leaks visible - >HOWEVER smell says there *might* be a small leak @ rear heater core >(have not dug in quite yet). Amount of air can be several seconds >when front bleeder is opened after a 10m drive. > >Latest: >Noticed steady stream of air bubbles in overflow tank (behind >license plate) yesterday. At idle, 2-3 bubbles per second. This is >on a (nasty engine rebuilder) engine installed by PPO perhaps 30k ago. > >Opinions? > >As mentioned, we're into hobby status here. $$$ will be spent first >restoring the Westy, but hate to drop the investment in this >bottomless pit :) so keep pluggin on. Heads? Reseal or replace? Pull >'em and find out? Have talked to Hans and Karl about engine >conversions, but just want to locate this prob first. > >thanks, > >john |
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