Temp. Gauge tells me I'm overheating!! - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 06-10-2007
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Temp. Gauge tells me I'm overheating!!

Within about 3mins of driving I was 1/4 inch away from triggering the check gauge light.

I run my fans on high, full heat, and it goes down a bit, is it faulty, or accurate? No way the engine could be heating up that fast?? Radiator Coolant is there, it's dirty with bugs etc, but it's there, how do I tell if It's being used? Should I spray the radiator off with water to clean it from bugs?

My A/C is also shorting out, on or off every now and then, how do I replace that wiring??




My buddy borrowed my truck for a trip, didn't have a problem untill it came back, they may of driven her a bit hard, acceleration wise, but it was mainly night driving and she didn't haul anything big.
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Old 06-11-2007
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when the truck is running and it gets up to the right temp to open the thermostat the fan kicks in and lets coolent rush threw the engine. u can feel the hoses if the thermostat is opening when it is starting to overheat. i think its the top hose and if its not opening then its prob the thermostat.

and the A/C what do u mean its shorting out? is it blowing the fuse> or is it kicking in for 5sec and shutting off for 5sec and back on for 5sec over and over again?
^
if it is doing that then u need the AC recharged again
and cleaning ur radiator wil help overheating also not much tho
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Old 06-11-2007
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Check your belt tensioner also , it may be bound up letting the belt slip not turning the water pump fast enough.
Do you have an e-fan or mechanical ? Bad fan clutch ?
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Old 06-11-2007
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That quick of an over heat...

T-stat opening would be my first guess. The only other thing it could be is a faulty sender/guage.

It's EXTREMELY unlikely the belt is slipping from a lack of tension.

Some other things..
check the pressure cap
If the rads been flushed lately.. it may have an air pocket
If the fuild never been changed.. sediments can build up in the bottom of all pockets. The lowest being the lower rad hose.

Rich (I was a OEM waterpump engineer for 6 years)
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Old 06-11-2007
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I'm thinking the overheat is due to the temp gauge.

A/C will not turn on but a guy from Advance, jiggled the wire and it popped on, we checked to ensure circulation of coolant, the air was cool, but not the best it's usually at, I plan on recharging it aswell. So I belive the wiring is shorting come loose somewhere.

It shouldn't be the belt tensioner my belt is tight, and it's brand new.


Anyone know how to flush the rad. coolant cheaply? I'd love to get it done, there is a ton of crap in the fluid, but I don't have the $$ to do it.

I'm basicly on hold on all my projects, untill I get an idea about my other job.

I've got a stock fan.

And by A/C I'm talking about the compressor not switches inside.
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Old 06-11-2007
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If you have that much debris in the rad I'd suggest removing the lower hose. Blasting it out with your hose and doing the same thing with the rad. Keep flushing until you have nothing but clear water coming out.

It should only take $10 worth of coolant and you with your hose.

Rich
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Old 06-11-2007
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I'd like to flush the entire system, like they would do at a shop...

How can I do that?

In the coolant thing there are bugs, and it doesn't look like the green koolaid it's suppose to look like.

http://www.advanceautoparts.com/engl...20010501rm.asp

That a good guide for flushing?
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Old 06-11-2007
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Well the A/C worked for a bit today, then shut off...

Should I recharge it, see if it solves the problem, and then replace wiring?
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Old 06-12-2007
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Anyone?!
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