1989 rrc normal running temps? - Defender Source
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  #1  
Old April 26th, 2012, 01:05 PM
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Daniel Rogers
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1989 rrc normal running temps?

Hey folks:

So I'm about to take the "new" rangie on its first offroad trip. I'm concerned it's running a bit hot and wanted some input. I've replaced everything in the cooling system and I mean everything (radiator fan clutch water pump thermostat hoses heater core temp sender for the gauge). The gauge normally sits right in the middle but sometimes creeps up a bit past. Other rrc's I've had indicated cooler running than this one so I'm concerned there is a problem but have pretty much convinced myself that the gauge sux.

My question is can anyone take a reading of their normal operating temp with an ir thermometer or otherwise? My last reading yesterday with the gauge slightly past the halfway point showed 197 at the intake manifold just below the thermostat housing on the drivers side and 206 at the radiator tank at the top drivers side where the top hose connects.

I'm running a 180 degree thermostat. I may pull it and test it on the stove. Any input appreciated.

Daniel
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Old April 26th, 2012, 03:26 PM
The Dro
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Daniel,

That's a bit high IMO.

I had the same issue on my 4.6L DI and it turned out to be the electric fan. The PO wired wrong and it was pushing air out. IMSMR you want to be bellow 195F.

Did you checked the radiator? Your radiator might be clogged.

P
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Old April 26th, 2012, 03:33 PM
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Daniel Rogers
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It's a brand new radiator from British pacific and my coolant is new and has stayed clean over the thousand miles or so I've put on the rig. The passenger side top of the radiator reads 10+ degrees cooler than the drivers side top and the bottom outlet reads in the 155 range so I believe it's doing it's job. I'll pull the thermostat and test it just to be safe. I bet it's not opening properly. Gotta love all makes or whatever the brand is now. Thanks.

Daniel
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Old April 26th, 2012, 03:50 PM
The Dro
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Quote:
Originally Posted by 1962siia88 View Post
It's a brand new radiator from British pacific and my coolant is new and has stayed clean over the thousand miles or so I've put on the rig. The passenger side top of the radiator reads 10+ degrees cooler than the drivers side top and the bottom outlet reads in the 155 range so I believe it's doing it's job. I'll pull the thermostat and test it just to be safe. I bet it's not opening properly. Gotta love all makes or whatever the brand is now. Thanks.

Daniel
That might be the issue.

I tested mine with hot water and a thermometer... Worked like a charm.

I bought a temp gauge with one of these:

http://www.glowshiftdirect.com/Water-Hose-Adapters.aspx
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