Question about 1992 Chevrolet Lumina

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1992 lumina just changed thermostat but temp gauge showing hot and no pressure in radiator hose. also heater core may be leaking is this my problem

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That would be a problem Heater core leaks because the stupid plastic nozzles they use and hoses can crack to. Then you would have low pressure. Or if new thermostat is stuck open.

Posted on Oct 01, 2009

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1 Answer

1997 lumina temp gauge goes above normal with no heat, then gauge drops to normal then gives heat, repeats this over & over ???


Have you ever replaced the thermostat? Any applicable trouble codes? When problem is ongoing, are your heater hoses hot? If there is coolant flow through heater core, you should have heat.

Nov 27, 2015 | 1997 Chevrolet Lumina

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I have a 98 Bonneville, the heater/defroster is blowing out cold air. I drove around for 30 to 40 minutes checked the radiator and it was cold to the touch. could it be the thermostat


The dash gauges are notoriously inaccurate. But it is possible that the thermostat is stuck open. Does the upper radiator hose get hot after engine warmed up? Also feel both heater hoses-when engine is warm, both should be hot-indicating the coolant is circulating through the heater core. If heater hoses are hot, and you still have cold air, the temperature blend door on the heater case may not be operating.
Try a new thermostat and see if engine warms up faster and better.

Dec 10, 2013 | 1998 Pontiac Bonneville

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My 98 ford f150 overheats constantly. I have changed the thermostat, fan, fan clutch, gave it a flush and still overheating. A mechanic checked it and said the water pump is good cause water is...


does the heater work good, like real HOT when the truck is HOT? if not, flush the heater core with a water hose, both directions. Now when the truck is HOT open the hood and feel the air coming thorough the radiator, it should be HOT. if its not, the radiator may be plugged. If the mechanic has a Temp Gun, have him check the radiator temp, it should be uniformly HOT if you find cold spots (like if the radiator is 200f and there are places that are 150f) the radiator is plugged and "flushing" will do nothing.

Aug 30, 2011 | Ford F-150 Cars & Trucks

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A ford 2000 f-150 and the motor will not get hot. replaced radiator, thermostat, hoses, heater core, reservoir cap, fan clutch. Any ideas?


Ya the coolant temp sensor is probably bad. This would show no or little reading on your temp gauge.

Jan 15, 2011 | 1992 Ford F150 SuperCab

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Heater is not getting hot


stuck thermostat or low on antifreeze

Oct 07, 2010 | 2001 Ford Taurus

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92 buick park avenue won't blow hot air - temp control seems to be working


Make sure there are no leaks and that the system is full to capacity. After the vehicle has warmed up check radiator hoses for temperature differecial also check heater core hoses. A significant difference in temperature may indicate a plugged heater core or thermostat failure

Oct 22, 2009 | 1992 Buick Park Avenue

1 Answer

No heat. gauge working. fairly new thermostat. replaced engine, radiator cap.?


I am guessing that the gauge is showing normal operating temp, if so, I am also guessing that the blower motor is pushing air through the ducts.... if so than

were heater hoses reconnected ?
was hot water valve vacuum line reconnected ?
was all air purged from entire cooling system after engine repplaced ?
were heater hoses connected properly to get correct direction of flow ?
are hoses to heater core under hood getting hot ?

is the heater core clogged ?

Oct 17, 2009 | 1997 Mercury Sable

3 Answers

How can a new thermostat be stuck open and if my heater core is leaking, would that really cause no pressure in the radiator hose.


it would not affect leaking all its doing is constantly circulating, if the core is leaking its just sprung a leak replace it. open you cap when hot bet theres pressure.no dont really dangerous?VERY HOT.

Oct 01, 2009 | 1992 Chevrolet Lumina

1 Answer

1992 lumina apv smells hot, does not register hot


White smoke means water/antifreeze entering the combustion chamber(s) or intake passages. Suspect a gasket leak somewhere (tighten all intake manifold nuts and bolts). Check all radiator and heater hoses for leakage and hose condition.

Aug 22, 2009 | 1992 Chevrolet Lumina APV

2 Answers

Land Rover Discovery 1996 3.9 V8i Cooling Problems


you need to replace the heater core and pressure text the radiator cap, replace if it leaks down go to a parts store to do this also you need to replace freeze plugs if you don't they will blow and ruin the engine,a slo check that the water pump is not bad, loosen the pump belt and see if you can wiggle the water pump with fan connected, if you have any play replace the water pump. and add new anti freeze.

Jun 18, 2009 | 2003 Land Rover Discovery

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