Ewen Posted August 28, 2007 Share Posted August 28, 2007 Friend of mine (none forum member) has a '91 MR2 Turbo. Loosing coolant, no visible leaks. He's has head gasket done a few months back and thats when issue started. Radiator has been checked, system pipework checked too. He's been given some help by MR2 guys and had his local garage look at it but no cure, and hes tried several rad caps with no joy. Anyone got any hints suggestions as to what else he could investigate ? Any one know what bar the cap should be on one of these ? Thanks for looking:) Quote Link to comment Share on other sites More sharing options...
michael Posted August 28, 2007 Share Posted August 28, 2007 Has the pipework that runs over the top of the petrol tank been checked? Known weak point, PITA to get to as you have to remove the tank. Any pooled coolant in the undertrays of the car to give an idea of where it's coming out? Quote Link to comment Share on other sites More sharing options...
dwayne Posted August 28, 2007 Share Posted August 28, 2007 has he checked the heater matrix? Quote Link to comment Share on other sites More sharing options...
spidermonkey Posted August 28, 2007 Share Posted August 28, 2007 head gasket not fitted correctly?? sludgey oil in the oil cap Quote Link to comment Share on other sites More sharing options...
Ewen Posted August 28, 2007 Author Share Posted August 28, 2007 Thanks guys...passing all this on Quote Link to comment Share on other sites More sharing options...
SBDJ Posted August 28, 2007 Share Posted August 28, 2007 Yup, those heater pipes michael mentioned are very common, they crack where the brackets are brazed on. I removed mine last week, one was quite badly knackered. Quote Link to comment Share on other sites More sharing options...
Todd Posted August 28, 2007 Share Posted August 28, 2007 eek, the pipes from hell as they are fondly known http://mr-2.org/images/rev2/tech/heater_pipes_from_hell.jpg Quote Link to comment Share on other sites More sharing options...
Ewen Posted August 28, 2007 Author Share Posted August 28, 2007 Thanks again guys. Lets hope its not the pipes from hell:) Quote Link to comment Share on other sites More sharing options...
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