waterworks problem

MA70-3.0GT · 06-07-2013, 02:37 PM

Yes, removing the "jiggle pin" from the thermostat has been known to help with burping, but if you don't want to do this then just ensuring it was fitted uppermost in the first place is worthwhile, as it's purpose is to allow air locks to pass the closed 'stat (not as a "bypass" for coolant to flow as some people think)

I had no trouble burping mine once the head gasket was replaced & the cracked heater matrix done away with but it was a pig before that unsurprisingly. What you could try though if you do have trouble is to push a close fitting piece of rubber hose into the filler hole and add coolant through that with a funnel attached high up to the bonnet/hood & then loosen the top heater hose and let the air come out from there. (That worked for me when I was faffing around hoping the HG wasn't duff when I first got mine, until I ran the engine again & pumped more air in!)

06-07-2013, 02:37 PM	#5
MA70-3.0GT 12psi boost Join Date: Oct 2009 Location: Crewe, England Posts: 356	Yes, removing the "jiggle pin" from the thermostat has been known to help with burping, but if you don't want to do this then just ensuring it was fitted uppermost in the first place is worthwhile, as it's purpose is to allow air locks to pass the closed 'stat (not as a "bypass" for coolant to flow as some people think) I had no trouble burping mine once the head gasket was replaced & the cracked heater matrix done away with but it was a pig before that unsurprisingly. What you could try though if you do have trouble is to push a close fitting piece of rubber hose into the filler hole and add coolant through that with a funnel attached high up to the bonnet/hood & then loosen the top heater hose and let the air come out from there. (That worked for me when I was faffing around hoping the HG wasn't duff when I first got mine, until I ran the engine again & pumped more air in!) __________________ '89 MA70 Supra GT aero 3.0turbo JDM, Rebuilt motor, K&N intake, 3" stainless turbo-back. New turbo and braided line kit... '89 Honda NC27 400, NC23 cams, open pipe, PC36a shock & possibly Showa USD forks... '83 Yamaha 29R XJ750E-II, number 69 off the line, only runner in the country? Original except Koni shocks '95 Honda PC26 CB500R, Winter hack, hateful, trying to sell it I'm not paranoid, they really ARE after me!!!