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Car Forum / Acura Cars / June 2006heat gauge
i got a 90 integra and when the rmp goes over 3000 rpm my heat gauge gose all the way to cold then when i let of the gas it gose back to normal...what could it be?????? > i got a 90 integra and when the rmp goes over 3000 rpm my heat gauge gose > all the way to cold then when i let of the gas it gose back to > normal...what could it be?????? Lower rad hose collapsing, probably. They're aftermarket, or old and mushy.  SignatureTeGGeR® The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ >> i got a 90 integra and when the rmp goes over 3000 rpm my heat gauge >> gose all the way to cold then when i let of the gas it gose back to >> normal...what could it be?????? > > Lower rad hose collapsing, probably. They're aftermarket, or old and > mushy. I'd replace the thermostat at the same time. SignatureJim Yanik jyanik at kua.net i changed the lower rad hose and the thermostat and the rad fliud...chould the water pump be going?????? > i changed the lower rad hose and the thermostat and the rad > fliud...chould the water pump be going?????? You're saying the temperature gauge *still* starts to read TOO COLD when you rev the motor, but shows normal when you let off the gas? How long does the engine have to be over 3,000 rpm before the temp gauge starts to show cold? And how long *under* 3K before it starts to read normal? SignatureTeGGeR® The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ >i changed the lower rad hose and the thermostat and the rad fliud...chould > the water pump be going?????? The usual reason for collapsed hoses is a bad radiator cap - it doesn't let the coolant back in when the engine cools. Diagnosis of that part is easy enough; just look at the lower radiator hose when the engine is cool. Of course, collapse is still possible if the hose is no good. That is pretty obvious when you squeeze the hose when cool - it will be very soft. Mike i changed the lower rad hose and the thermostat and the rad fliud...choul the water pump be going????? ted let me ask did you use an Acura O.E. thermostat or aftermarket one -- johnin i changed the lower rad hose and it dosent do it anymore only when the rmp is close to redline but it only gose down alittle bit > i changed the lower rad hose and it dosent do it anymore only when the > rmp is close to redline but it only gose down alittle bit Aftermarket hose? OEMs don't do that. SignatureTeGGeR® The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ |
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