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Date:         Tue, 8 Sep 2015 18:14:28 -0300
Reply-To:     Roy Nicholl <RNicholl@NBNET.NB.CA>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Roy Nicholl <RNicholl@NBNET.NB.CA>
Subject:      Re: Faint coolant smell
Comments: To: William Monk <billmonk@GMAIL.COM>
In-Reply-To:  <CAG+p27u7GOPAuyQPLRiE12uJ79g8Y2RF5chXf9ZCf7C9hVKqLg@mail.gmail.com>
Content-Type: text/plain; charset=us-ascii

Bill:

Already put dye in the coolant when I started looking for leaks.

Neil, Stuart:

I'd be hard pressed to guess if the smell is stronger in the rear or front of the cabin. The rear heater valve was replaced just before we acquired the van a year ago, but the heater is original. Another coincidence that the odour waited until I replaced the pump to surface? I'll pull the rear core first as it appears to be the easiest to access.

I have a liquid pressure gauge / tester designed for another application, however it only goes as low as 25 or 50 psi, which I am guessing is too much for the coolant system?

On 08-Sep-2015, at 15:32, William Monk wrote:

> Get a coolant UV die kit from the auto parts store. Take the guess work out > of it. > > Bill > On Sep 8, 2015 2:15 PM, "Stuart MacMillan" <stuartmacm@gmail.com> wrote: > >> Twice when I've had this problem it's been the rear heater core. They can >> weep enough to smell, but not see until they blow. You need to slide out >> the core. Just remove the screws holding the fan assembly to the floor and >> raise it up a bit to get the clearance you need to slide the core out for >> inspection. No need to disconnect anything except maybe the wiring plug. >> >> Stuart >> >> -----Original Message----- >> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of >> Roy Nicholl >> Sent: Tuesday, September 08, 2015 9:59 AM >> To: vanagon@GERRY.VANAGON.COM >> Subject: Faint coolant smell >> >> All, >> >> A couple of weeks ago, I replaced the water pump in the Hyena ('88 Westy >> WBX). The past few days, I've thought I smelled a faint trace of coolant >> in >> the van itself. I checked the hoses, the radiator, the front and rear >> heaters (best I could using a camera probe and mirrors without removing all >> the plastic) and have found no leaks. I checked the bleeder on the >> radiator, no leak. I have seen no noticeable drop in coolant level in the >> reservoir. >> >> Any ideas on where I should explore next? >> >> I have also noted that my temperature gauge is now running a little lower >> (from top half to bottom half of LED ... about a needles width). I plan >> to >> open both heater cores wide (they are partially shutdown at the moment), >> park with the nose in the air, run it for a few moments, then open then >> bleed the system again just to ensure I do not have an air bubble. >> >> Roy >>


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