98 Accord LX 2.3 Fans

[mikewohlwend]

Ok guys I'm back with another question. I just replaced the motor in my car and now the fans won't kick on and I think the temp gauge is messed up as well.

New parts are thermostat, fan switch, temp sensor and temp sender. I have let the car idle for 20 min and the fans never kicked on. The upper radiator hose was hot to the touch but the lower hose was cool.

I bought a temp gauge at Autozone but it didn't have the right adapter to screw into the block. Does anyone know of one that will fit for sure?

 

[xci.ed6]

hook a light to your fan connector, like a test light.

What's the stock gauge say while you idle. Also watch engine temp with an IR gauge. the cylinders! And the radiator and hoses!

Stop when the stock gauge shows hot (not extra hot)!

What are the IR gauge temps?

 

[mikewohlwend]

Gauge red just below halfway when it was running.

 

[xci.ed6]

Need temps, one of these:
http://www.harborfreight.com/non-contact-infrared-thermometer-with-laser-targeting-69465-8905.html

 

[mikewohlwend]

I will have to pick on up so I can check that stuff.

 

[mikewohlwend]

I bought a temp gun because it's something that I can always use. And Sears had a cheaper one than Harbor Freight.

Here are the readings I got.

Cold without starting the car:
Radiator Cap - 63°
Upper Radiator Hose - 66°
Lower Radiator Hose - 64°
Hose at Thermostat Housing - 66°
Block bt Temp Sender - 65°

After running 5min:
Radiator Cap - 78°
Upper Radiator Hose - 115°
Lower Radiator Hose - 78°
Hose at Thermostat Housing - 94°
Block bt Temp Sender - 131°

After running 10min:
Radiator Cap - 81°
Upper Radiator Hose - 159°
Lower Radiator Hose - 82°
Hose at Thermostat Housing - 98°
Block bt Temp Sender - 148°

After running 20min:
Radiator Cap - 88°
Upper Radiator Hose - 175°
Lower Radiator Hose - 120°
Hose at Thermostat Housing - 160°
Block bt Temp Sender - 168°

After running 30min:
Radiator Cap - 96°
Upper Radiator Hose - 177°
Lower Radiator Hose - 160°
Hose at Thermostat Housing - 170°
Block bt Temp Sender - 170°
gauge went to about 3/4 and the fans kicked on for about 30 seconds and gauge went down to under 1/2

After running 45min:
Radiator Cap - 95°
Upper Radiator Hose - 170°
Lower Radiator Hose - 172°
Hose at Thermostat Housing - 165°
Block bt Temp Sender - 184°
gauge went to about 3/4 and the fans kicked on for about 30 seconds and gauge went down to under 1/2

Then decided to take the car for a drive. About 10 min in I checked everything
Radiator Cap - 90°
Upper Radiator Hose - 163°
Lower Radiator Hose - 140°
Hose at Thermostat Housing - 140°
Block bt Temp Sender - 180°

Gauge never moved above half while driving.

 

[xci.ed6]

"the fans kicked on for about 30 seconds"

I thought you said they wouldn't?

Both of them?

 

[mikewohlwend]

"the fans kicked on for about 30 seconds"

I thought you said they wouldn't?

Both of them?

They didn't come on over the weekend when I ran the car. Tried again tonight (which is where all these Temps came from) and they eventually came on.

Yes both fans cam on

 

[james'99]

In those 20 minutes the first time, was it ever getting hot above half on the gauge? Depending on ambient temperature, and if it was a cold start, I could see where this could be the case.

 

[mikewohlwend]

In those 20 minutes the first time, was it ever getting hot above half on the gauge? Depending on ambient temperature, and if it was a cold start, I could see where this could be the case.

Gauge never went above half.