Question about 1992 Isuzu Rodeo

3 Answers

Overheats only when stepping on the gas , I replaced the water pump, thermostat, hoses, flushed the radiator, dont know what else to do

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  • hurleyintee Jun 16, 2009

    How do you know if the radiator is still good? Is there a way to check it. Thanks forf all the responses anymore info would be great.

  • hurleyintee Jun 18, 2009

    how do you flush the engine block and test the pressure, I know I could do it if soeone gave me instructions. Thanks again

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3 Answers

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Could be a few things. That I know of. Is the rad still good and does it have all the fins on it. If it doesn't it may not be "removing" the heat efficiently enough. Also where i live there are Summer and Winter Thermostats. Could you have gotten a winter one and tried to drive it in summer? I dont know what car you have either. The rad isnt being blocked by some aftermarket body kit? which would deflect air while driving around? Also make sure the catalytic converter isnt plugged. A friend of mine noticed his cat was red hot while it was plugged. That could transfer heat into the engine.. although i think this would be rare. Also make your if it is automatic, that it has the proper amount of tranny fluid. I've had transmissions burn up and caused the engine to heat up as well. (you could check to make sure the auto tranny fluid is a nice pink colour) If it is dark red or brown it definatly needs to be changed. And you could have an air blockage in the engine...blocking the coolant.. or have a faulty guage or sensor.

Posted on Jun 16, 2009

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  • Isuzu Master
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Low coolant. radiator core blocked or grille restricted.slipping water pump belt.blown head gasket.you have air in coolant system.ive seen a engine out of time over heat when you start driving.

Posted on Jun 15, 2009

  • Jonah Oneal Jun 17, 2009

    have engine block flushed.water jackets in engine is clogged.keeping coolant from circulating through engine block.also have engine coolant system pressure test for blown head gasket if every thing else fail.also make sure you have half antifreeze and half water.if you have too much water in cooling system.less antifreeze .that itself will make engine over heat.

  • Jonah Oneal Jun 18, 2009

    you can flush out block.by draining the radiator.remove top hose to thermostat. remove thermostat housing and thermostat.then remove water pump hose.now get a drain pan place it under radiator.take garden or home water dont turn it too high.take garden hose run water from where thermostat goes.run it through block.until water come out at where the water pump hose is.catch water in drain pan until you get a good flow of clear water.no weak flow or dribble.now if flushing block dont help. take it to radiator shop they will pressurize your coolant system test it for head gasket leak.

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Check the timing. The car will overheat, as you discribed, when not properly timed.

Posted on Jun 15, 2009

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1 Answer

Does anybody have a video link on how to flush the cooling system on a GM 3.1L SFI OHV 6cyl motor? I need a vid for this particular motor cause mine is still overheating & i have looked everywhere.


flushing a cooling system is the same method as any other motor

do it without the thermostat fitted
or water pump opening

sacrifice an old radiator hose to adapt a garden hose fitting
for radiator flush

air in system fix
your thermostat housing has no air bleed valve
no top radiator cap

old school way
heater on full
run motor till thermostats fully open
burp radiator hoses
wait till water is running up into over flow bottle without bubble
replace cap
turn off heater
correct level in over flow bottle

why still over heating
you fitted everything i would have ... yet still overheat
possibles
leaking inlet manifold gaskets
hose clamps loose
cooling fans spinning too slow
thermostatic fan switch faulty
aluminum radiator is a big one
air ..fins bent or some water channels blocked

or possible head gasket leak




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Nov 02, 2016 | Cars & Trucks

1 Answer

1999 Cadillac Eldorado ,overheating changed thermostat , overflow cap ,no white smoke coming from exhaust.hot blowing from heater


Are the cooling fans coming on ? Go under the hood in the engine compartment , with the vehicle running have some one turn on the A/C , do you see and or hear the cooling fans come on ? Could be the coolant temperature gauge is bad ! How many miles on the vehicle ? Ever have water pump replaced ?

1

Check for a loss of system pressure.
Is there a loss of system pressure?
--
Go to Step 2 yes
Go to Step 3 no

2

Inspect and repair any faulty hose connections.
Does the engine still overheat?
--
Go to Step 3 yes
System OK

3

Check for low coolant protection (-37?°C/-34?°F).
Is there low coolant protection (-37?°C/-34?°F)?
--
Go to Step 4 yes
Go to Step 5 no

4

Test solution. Replace the coolant if necessary.
Does the engine still overheat?
--
Go to Step 5 yes
System OK

5

Check the water pump belt for low tension.
Is the water pump belt tension too low?
--
Go to Step 6 yes
Go to Step 7 no

6

Replace the water pump belt tensioner.
Does the engine still overheat?
--
Go to Step 7 yes
System OK

7

Check for an inoperative thermostat bypass.
Is the thermostat bypass inoperative?
--
Go to Step 8 yes
Go to Step 9 no

8

Replace the bypass.
Does the engine still overheat?
--
Go to Step 9 yes
System OK

9

Check the water pump.
Is the water pump inoperative?
--
Go to Step 10 yes
Go to Step 11 no

10

Replace the water pump.
Does the engine still overheat?
--
Go to Step 11 yes
System OK

11

Check the radiator fins for obstruction.
Are the radiator fins obstructed?
--
Go to Step 12 yes
Go to Step 13 no

12

Inspect and clean the radiator fans.
Does the engine still overheat?
--
Go to Step 13 yes
System OK

13

Check the cooling system passage for obstruction.
Is the cooling system passage blocked?
--
Go to Step 14 yes
Go to Step 15 no

14

Inspect and flush the system. Reroute or replace the hose if necessary.
Does the engine still overheat?
--
Go to Step 15 yes
System OK

15

Check the water pump belt for damage.
Is the water pump belt damaged?
--
Go to Step 16 yes
Go to Step 17 no

16

Replace the water pump belt.
Does the engine still overheat?
--
Go to step 17 yes
System OK

17

Check the cooling fans.
Are the cooling fans inoperative?
--
Go to Step 18 yes
Go to Step 19 no

18

  1. Inspect the electrical connector. Replace if necessary.
  2. Does the engine still overheat?
--
Go to Step 19 yes
System OK

19

Check the throttle body circuit flow.
Is the throttle body circuit flow restricted?
--
Go to Step 20
Go to Step 21

20

  1. Inspect the orifice and associated hose. Replace if necessary.
  2. Does the engine still overheat?
--
Go to Step 21
System OK

21

Check for a stuck thermostat.
Is the thermostat stuck in the closed position?
--
Go to Step 22
--

22

Replace the thermostat.
Does the engine still overheat?
--
--
System OK

Sep 16, 2015 | 1999 Cadillac Eldorado

1 Answer

Overheating


Your belt may be loose and not turning the water pump enough to circulate the coolant causing it to run hot,crank car up, have some one press gas pedal and watch belt turn,if not turning tightly,then belt or tensioner is bad.

Mar 25, 2014 | 2004 Nissan Sentra

2 Answers

2002 pontiac aztect overheating has new thermostat and water pump


Try removing the thermostat and reverse flushing the motor, Actually try flushing in both directions, this will tell you if you have a circulation problem but 1 thing you should know is that the water goes in the water pump and out the thermostat, try running it without the thermostat and check your water flow

Jan 13, 2014 | 2002 Pontiac Aztek

1 Answer

I have a 1992 Buick regal that overheats at speeds of 40 mile n hour it has a new radiator, thermos stat, has been flushed an filled and bled have not changed the water pump when it overheats all of m


It is more than likely your water pump. Can you run it in park with the radiator cap off. The cap on the radiator not the overflow tank. When the temp opens the thermostat you should see flow if the pump is good no flow it is probably bad. If you don't see flow check the upper hose for temp and the lower hose. If the upper line is barely warm and the lower hose is significantly hotter, it is either water pump or thermostat, but since you replaced the thermostat I would be back to water pump. BTW you should use either a contact thermometer or an infrared to check hoses, although it was done by hand in the old days.

Feb 28, 2013 | 1992 Buick Regal

2 Answers

My car overheats very easy.i can drive 1 exit on the highway and the temp goes up very fast. i dont know what it could be. there is always fluid in the reserve area and doesnt seem to be getting low or im...


COULD BE THERMOSTAT IF TOP RADIATOR HOSE IS NOT HOT AND BOTTOM RADIATOR HOSE GOING TO WATER PUMP IS HOT THE THERMOSTAT STICKING PARTIALLY CLOSE.IF TOP HOSE IS HOT THE RADIATOR,ENGINE BLOCK HEATER CORE NEED FLUSHING OUT.IF WATER PUMP WEEP HOLE LEAKING REPLACE WATER PUMP, FAULTY WATER PUMP WILL CAUSE ENGINE TO OVER HEAT.REPLACE RADIATOR CAP MAKE SURE YOU HAVE 50 / 50 MIX SOLUTION ANTIFREEZE AND WATER IN COOLANT SYSTEM. IF ALL LOOKS GOOD CHECK ENGINE OIL ON DIP STICK, IF OIL IN DIP STICK LOOK LIKE MILKSHAKE YOU HAVE BLOWED HEAD GASKET THAT WILL CAUSE ENGINE OVERHEATING WHILE DRIVING CAR IN SHORT DISTANCE AND ENGINE OVERHEATING.

Aug 16, 2011 | 1999 Oldsmobile Alero

1 Answer

My mechanic told me I had a radiator leak. I replaced the radiator. The car still overheats. I have talked to my mechanic several times and now he says I need a thermostat. Whay didn't he replace the...


the cooling systems consists of a radiator, radiator cap, water pump, thermostat, hoses, heater core and sometime a heater control valve that open water lines to heater core. You may need a cooling system flush if water pump, radiator have been replaced. flush the system.change the thermostat and have the heater core checked too if you can get to it.
does the cooling fan kick on to cool the radiator..check that too.replace radiator cap and check cooling fan yourself...let me know if need anything else.
Thanks for using fixya and please vote.

Jan 28, 2011 | 1999 Oldsmobile Aurora

1 Answer

2002 dodge 1500 Changed radiator, thermostat, and hoses. No heat


Why was radiator replaced?Did it have heat before ? If it was plugged, the heater core may also be plugged. Try flushing it with a water hose in both directions. I dont know why the botton radiator hose would be cold, the radiator should be a uniform temp and the air coming through the radiator should be HOT, when the engine is at operating temp. What condition was the old coolant? if it was rusty, the water pump may have lower flow than normal.

Nov 19, 2009 | 2004 Dodge Ram 1500

1 Answer

Engine overheating at high rpms


check the casting on your replacement water pump..4.0l engines require a reverse rotating water pump..may be causing your problem.

May 15, 2009 | 2003 Jeep Wrangler

1 Answer

Overheating 2001 pontiac aztek


remove coolant.remove thermostat remove bottom radiator hose to water pump.put a empty container under the radiator.take a water hose put it where thermostat goes flush out the rust in block.watch the water as it come out the water pump .if stream water is small keep flushing until you get a study sream of clear water. also flush out radiator. lower water pressure dont flush radiator it with high water pressure you could burst it. make clean the over flow jug .make sure it not stopped up.put in a new thermostat and radiator pressure cap. fill radiator with half antifreeze and half water.bleed the coolant system.

Apr 05, 2009 | 2001 Pontiac Aztek

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