SuperMotors.net Forums
Scott Stephenson
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• Portland, OR, USA |
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• Registered on 9/2/2003 |
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• 4 posts |
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 Posted:9/6/2003 04:08 |
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I have an 88 bronco II that gets real hot real quickly. it doesnt overheat but it will be real hot after 5-10 min of driving. i plan to flush the coolant this weekend along with new hoses and thermostat, everything seems to be cycling ok so i am not suspecting the water pump or radiator to be faulty. is there anything else i may be overlooking or should the flush and thermostat take care of my problems? |
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E. Long
 
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• Subscriber since 1/1/2001 |
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• Atlanta, GA, USA |
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• Registered on 1/23/2001 |
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• 2,229 posts |
• 10 Vehicles
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Posted:9/6/2003 09:02 |
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| Quote: | | I have an 88 bronco II that gets real hot real quickly. it doesnt overheat but it will be real hot after 5-10 min of driving. i plan to flush the coolant this weekend along with new hoses and thermostat, everything seems to be cycling ok so i am not suspecting the water pump or radiator to be faulty. is there anything else i may be overlooking or should the flush and thermostat take care of my problems? |
Your planned maintenance is right on. If the flush & thermostat don't work, the next thing to try would be the water pump.
While you're working on it, take a look at the front and back of the radiator to make sure that it's not clogged with mud or anything that may be trapping heat in the fins.
-Eric
'67 Galaxie 500 - 390 FE, .030" over, FE to AOD adapter, disc brake conversion. The Daily Driver.
'00 Excursion - 7.3L PSD, LANDYOT Gen-II Radius Rods, Factory Tech Valve Body, 200K+ miles and going |
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Pony-boy
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• Roy, WA, USA |
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• Registered on 3/9/2003 |
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• 147 posts |
• 7 Vehicles
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Posted:9/12/2003 03:33 |
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Also check the fan clutch..
Thats not dented, It's customized |
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John Barrett
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• West Palm Beach, FL, USA |
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• Registered on 1/31/2003 |
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• 106 posts |
• 1 Vehicle
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Posted:9/14/2003 06:50 |
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| Quote: | | I have an 88 bronco II that gets real hot real quickly. it doesnt overheat but it will be real hot after 5-10 min of driving. i plan to flush the coolant this weekend along with new hoses and thermostat, everything seems to be cycling ok so i am not suspecting the water pump or radiator to be faulty. is there anything else i may be overlooking or should the flush and thermostat take care of my problems? |
Just wanted to add this.
I know you stated : everything seems to be cycling ok.
With the Motor Cold :
1. Remove water cap.
2. Let motor run until it gets to proper temp, to open thermostat, make sure you see happen.
3. Watch - the water or coolant FLOW though the radiators core TUBES, (This will be something like you finger over the end of a water hose and should hit the side of the radiator tank).
4. It should be free flowing.
5. Sometimes you may need to let a little, fluid out of the radiator to see this happen, there is a plug most of the time at the bottom of the radiator to do this.
NEXT, Check your Radiator CAP.
1. If your radiator cap is (old or getting weak), you can get the same problem that you are talking about above.
NEXT, Make sure that your Radiator Hoses are not kinked.
1. No bends to cutting off flow, TO or From radiator.
NEXT, Check and make sure you do not have anything (blocking off) fins on the outside of the radiator, stopping flow of cooler air though the fins.
Now, if you find that the flow or Coolant is on the slow side of things.
1. It would be a good Idea to have the radiator FLUSHED, Never hurt anything to do that.
Then if the problem is still there with overheating.
1. Replace the water pump.
I hope this helps you.
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