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Overheating When I'm driving up or down a hill the temperature gauge goes past midway. I have the a/c off and turn the fan and the temperature gauge goes past midway. Is this a fan or a belt? Nothing shows as a problem when it checks on the computer. The Catalitic Converter, the radiator, the temperature gauge, and the hoses have been replaced.
When I say the temperature gauge goes past midway, I should have said the gauge will stay above midway and past 3/4. If the gauge was digital it would be at 75-90 percent and fluxuate.When I say the temperature gauge goes past midway, I should have said the gauge will stay above midway and past 3/4. If the gauge was digital it would be at 75-90 percent and fluxuate.
AnonymousMay 10, 2009
I did replace the thermostat. The gauge still rises past midway. I did replace the thermostat. The gauge still rises past midway.
Have you changed the thermostat, has the radiator been pulled to inspect for blocked core passages?Have you changed the thermostat, has the radiator been pulled to inspect for blocked core passages?
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ALL tHAT IS NORMAL AND 200F STAT THE FAN KICKS IN AT 225F AND BOILS AT 265f THE DASH GAUGE IS ONLY TOY, BUT ONCE USED TO IT ,IT HAS MERIT.
ONLY a SCAN TOOL USING PID SCANS TO THE ECT TELLS THE TRUTH. OR LACKING AN IR THERMO GUN, TOOL.
MUST BE YOUR FIRST CAR AND CLUSTER WITH CHEAP GAUGES. NOTHING NEW THERE,
top cause of overheating, is THE THERMOSTAT NEVER LASTED 22 YEARS EVER. I'D NEVER RISK ANY GOOD ENGINE WITH SOME OLD STAT.
mark ask your dad if that gauge looks odd. even on hills the fans come on, 100% normal HOT DAYS, YES FOR SURE AT STOP SIGNALS , CAR STOPPED, SO FAN GOES ON. A/C ON yES UP HILLS YES. PULLING LOADS (TRAILER) OR TRUNK FULL OF BRICKS, YES. THE GAUGE MUST NOT MAX OUT AND PEG, OR CAUSE: ENGINE POWER TO DROP OR HEAR PING. OR CAUSE STEAM UNDER THE HOOD NOR COOLANT TO THE GROUND ASK DAD AGAIN,
The ac fan only comes on when the ac is on , the engine fan comes on at engine operating temp . few things to check , the radiator core fins are free from rubbish leave or plastic bags , the thermostat is fully open , radiator tubes are blocked with gunk have it flow tested .
CarGurusAug 20, 2014 - Also as my temperature gage rises but car does not overheat. ... tempneedle gets up towards the red mark while you're driving, then yes, ... i have a 2006Pontiac Grand prix and my temp. goes up to the ... crzgrl637 answered 6 months ago ...the cooling fans won't kick on then you will see gauge over heat.
If your vehicle doesn't actually overheat, just getting hot, I think that's the normal behaviour for these cars. My 03 AWD behaves the same way. When driving uphill, especialy when towing, the temperature rises close to the red marking, but I have never experienced it overheating. I think that the temperature has to rise much over the normal driving temperature to activate the two electric fans.
check the circuit to the tem p sender unit by removing the wire at the sender and turning on the ignition touch the wire to the head . The gauge should got o hot. This indicates that the wire is ok . Remove and replace the sender unit as it is shorting out inside and is not showing a resistance. The higher resistance __cold water --the lower the gauge reading. The lower resistance the more current allowed through so the gauge goes up
P1491 is Radiator Fan Control Relay Circuit. MEANING: An open or shorted condition detected in the low speed radiator fan control circuit.
Some questions for you:
1. Is your Caravan overheating?
2. Is your Caravan water temperature spiking going past the midway point on the Temp Gauge before the radiator is engaged?
3. Is your Rad Fan coming-on and then turning off and back-on in a very short period of time (like under a minute?
If all of these are "No" then do not worry about it.
First when vehicle is cold like in the morning check and make sure that the vehicle has enough coolant/ antifreeze in radiator and reservoir. If coolant is need use a 50/50 mixture of water and antifreeze. You will need some time to do this let car run at idle until the temp guage is in the middle NOT+ normal operating temperature. At this point if the thermostat should be in the open position. Let vehicle run and check to make sure that radiator fan comes on. This should come on when guage is about midway/half way. If temperature rises above half going to h/hot and fan doesn't come on, you either have a BAD FAN BAD FAN SWITCH BAD FAN RELAY OR BLOWN FAN SWITCH FUSE. You will need to check all of the following I will help if its needed. If fan comes on and doesn't go off and vehicle continues to get hot even with fan running. Feel radiator hoses and see if the lower radiator hose is cool/cold. If it is you have thermostat that stuck closed. Replace thermostat and fix problem. If all the above is good and vehicle continues to over heat. THE BAD NEW IS THAT YOU MAY HAVE A BLOWN HEAD GASKET /CRACKED HEAD /BROKEN WATER JACKET. Basically you will need a HEAD JOB at least a head gasket. ONe tell tail sign of this is oil looking like milkshake/chocolate milk-a creamish while residue in oil or antifreeze. Contact if you need hel0p. Good Luck and thanks for using FIX YA
When I say the temperature gauge goes past midway, I should have said the gauge will stay above midway and past 3/4. If the gauge was digital it would be at 75-90 percent and fluxuate.
I did replace the thermostat. The gauge still rises past midway.
Have you changed the thermostat, has the radiator been pulled to inspect for blocked core passages?
If it only goes just past half scale on the guage don't worry about it.
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