To: 80scool OZ <80scool_aus@yahoogroups.com> From: Norm Needham Date: Thu, 03 Jun 2004 23:49:45 +1000 Subject: Re: [80_aus] Our troopy has a stubborn overheating problem Reply-To: 80scool_aus@yahoogroups.com From: "extreme_trans" > I have a custermer that seems to be pulling there hair out with a > engine over heating problem and would liuke to know if anybody can > point them in the right direction. hear is the E-mail that I > recieved. Regards Rodney > PLEASE HELP!! My husband & I have a 1991 Toyota Landcruiser Troop > Carrier, 75 series, 1HZ motor. Our troopy has a stubborn > overheating, problem. It starts to run warm under load (towing a > camper trailer), and reaches the =BE mark. We realise that land > cruisers do run warm under load however we feel this is > not "normal". It only started running hot in the final month of our > 8 months of travels. We have tried everything. We have replaced the > water pump, reconditioned original 3 core radiator then upgraded to > a 4 core radiator, replaced all the hoses, fan belts and timing > belt, , new thermostat, new temperature sender, replaced viscus fan > hub, cleaned air conditioner condensor coil, new exhaust system with > extractors and finally, reconditioned the fuel pump. > > It is suggested by some that we may have a cracked head however it > is also told that if this were the case the vehicle would be running > terribly... It is running smoothly but just overheating. This is our > next test along with a compression test. > > We have exhausted all options from small to big and have had no > luck - if anything it is now running a little hotter!! Have you > got any suggestions? It would be greatly appreciated... > > Could you refer me to some other web sites or phone numbers of 75 > series "specialist mechanics" that may be able to help? We have > spoken to at least 6 mechanics in Townsville and no one can offer > any more advice. We are desperate for some help.. > Cheers, Evana Rodney, Could I suggest that the problem might be simply a restricted exhaust? Have come across this in the past with several 1HZ troopies. Cheers Norm Needham Tea Gardens - Oz HDJ79