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Dye Test for exhaust gases in the coolant system

Posted: Sun Jul 15, 2007 4:10 pm
by patmckenna
Hi Guys,
I need to clarify what exactly is involved in dye-testing the Bongo engine coolant system to detect the presence of exhaust gases - an indicator of cylinder head or head gasket problems.

My local garages seem uncertain of procedures. I need to know how it works so that I can find a competent garage who wont fob me off with a pressure test.

Thanks folks

Pat McKenna

Posted: Sun Jul 15, 2007 7:03 pm
by waycar8
i think what happens is the air that’s at the top of the haeder tank is drawn into a turkey baster-type device thats fitted with a valve of sometype, what passes through a dye that changes colour if theres exhaust gases present.

Posted: Mon Jul 16, 2007 12:47 am
by paul9
it is this type of thing that is used to test for exhaust gases in coolant i think.

http://cgi.ebay.co.uk/COOLING-SYSTEM-CY ... dZViewItem

Posted: Mon Jul 16, 2007 12:11 pm
by prb007
Thats' exactly what my mate used approx 1 month ago.
Discolours the dye on detection of CO gas.
Thought it was the gasket - white smoke on start-up
& using water, but turned out to be cracked & warped head!
600quid later - its' all sorted - hope yours is cheaper.

Dye Test for exhaust gases in the coolant system

Posted: Mon Jul 16, 2007 9:13 pm
by patmckenna
Hi Waycar, Paul & prb007

Thanks for the info. Cheeky bugger wanted me to pay £50 at my local garage for him to do the test. With the help of Paul's post, bought the kit for £29. Thanks!

prb007: I'll post a detailed explanation of where I'm at with overheating issues when I resolve a couple of difficulties. It may make your hair curl.

Pat

Posted: Mon Jul 16, 2007 9:15 pm
by Peg leg Pete
Pat have you not told the engine supplier about your problems-- you must have a warranty.