Anonymous-0
Well-known Member
MY JD CONSTANTLY OVERHEATS. REPLACED THERMOSTAT.
NO IMPROVEMENT. ANNY SUGGESTIONS?
NO IMPROVEMENT. ANNY SUGGESTIONS?
- Thread starter Anonymous-0
- Start date
Is it actually overheating or just building pressure in the radiator and blowing off the overflow? Blown head gasket will do that.
If not,you didn't do something foolish like I did on my 1020 did you? I think I put too much Alumaseal in it trying to fix a problem that it didn't fix anyway and I'm pretty sure I plugged the radiator core.
If not,you didn't do something foolish like I did on my 1020 did you? I think I put too much Alumaseal in it trying to fix a problem that it didn't fix anyway and I'm pretty sure I plugged the radiator core.
Make sure the belt that drives the water pump is tight and check to make sure that the lower hose is not collapsing when you speed the engine up. Blow out the air side of the radiator core because it may be plugged with chaff, etc. Is your rad cap holding the proper pressure? the pcooling system pressure and the coolant concentration control the boiling point.
Tx Jim
Well-known Member
- Location
- Coyote Flats, Texas
If you remove rad cap do you see any bubbles in coolant as in compression getting into cooling system?
do you know it is really overheating? My gauge was showing hot. Replaced sender, still showing hot. Got the idea to use a laser thermometer on it (should have tried that first). Inlet was running 190, outlet around 160. No overheating. Found a corroded wire in the harness that was messing up the gauge.
Test the actual temp of the coolant...first.
John
Test the actual temp of the coolant...first.
John
buickanddeere
Well-known Member
I addition to Jerry's post. Inspect the waterpump/fan pulley and the alternator pulley.
Odds are the belt has been run loose at sometime and has worn the pulley grooves.
Even with a new belt, it will have to be over tightened to prevent slippage. Next the water pump bearings and alternator bearings will fail. Don't ask how I know this.
What kind of coolant is being used? Original factory coolant? Or tap water mix?
Coolant corrosion inhibitor test strips are cheap at the JD dealer. Use them to verify the coolant hasn't turned acidic and is eating the gaskets and sleeves away.
Odds are the belt has been run loose at sometime and has worn the pulley grooves.
Even with a new belt, it will have to be over tightened to prevent slippage. Next the water pump bearings and alternator bearings will fail. Don't ask how I know this.
What kind of coolant is being used? Original factory coolant? Or tap water mix?
Coolant corrosion inhibitor test strips are cheap at the JD dealer. Use them to verify the coolant hasn't turned acidic and is eating the gaskets and sleeves away.
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