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  #1  
Old 11-21-2010, 08:46 PM
cajunclub cajunclub is offline
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Join Date: Nov 2010
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Unhappy Coolant leak.

On my 2003 Ranger (4 cyl) I discovered that my engine coolant overflow hose was leaking near the "T fitting. The hose runs from the thermostat housing and seems to go to the pipe that feeds the heater. However. at the "t" it has a smaller hose that connects to the engine, near the top back. I can see the clamp but there is no room to get to the clamp with a pliers to disconnect or reconnect the clamp. Has anyone had problem with the Engine Coolant Overflow hose? The Ford part # is 8c633- $96. I hate to buy the part , not knowing how much trouble it is to replace the part. How much would it cost to bring it in to a local auto repair shop? Can I do it myself? Will I have to take off the intake manifold to get to the clamp?
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2003 Ford Ranger, 2.3 Liter,100,000 miles

Last edited by cajunclub; 11-21-2010 at 08:47 PM. Reason: spelling error
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  #2  
Old 11-22-2010, 09:03 AM
DeckedOut DeckedOut is offline
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Join Date: Oct 2010
Posts: 232
Default Re: Coolant leak.

Have a picture of it?

If it's the hose running to the cab for heat, I picked one up at AutoZone.

Where is it leaking excately? I had an old one I replaced, the new one leaks slightly for some reason, but not bad enough to worry about just yet. Started when I removed the vacuum hose for it one day.

I may be thinking of the wrong part. If you can post a picture I'd be able to help much more, as would some of the veterans here.
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2003 Ford Ranger Regular Cab 2WD
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  #3  
Old 12-17-2010, 12:46 PM
svtwin73 svtwin73 is offline
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Default Re: Coolant leak.

I've got one of these hoses in my office. I'm going to install one on a 2003 2.3 this weekend. Runs from the thermostat to the overflow bottle.
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  #4  
Old 12-18-2010, 07:41 PM
svtwin73 svtwin73 is offline
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Posts: 310
Default Re: Coolant leak.

The hose I attempted to replace today was this one. You either have to pull the motor or remove the exhaust manifold and driver side inner fender to get this out. It's a PITA, and wouldn't recommend doing it unless you have the right equipment.


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  #5  
Old 10-19-2011, 08:03 PM
tgoods tgoods is offline
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Default Re: Coolant leak.

I just replaced this hose on 2002 Ranger, 2.3, 5-speed and the job is not as daunting as it first appears. I tried to do too much from above and wasted a lot of time.

From above, remove the hose from the overflow tank and the thermostat housing. Then put it on jack stands go underneath. Remove the first exhaust section and get it out of the way. I wasted a lot time trying to work around it. Remove the dipstick tube. Remove the heater hose from where it attaches to the pipe. Remove the nuts holding the pipe portion of the hose to the exhaust manifold studs. Put a jack under the transmission crossmember and remove the crossmember bolts. Lower the transmission down until the rear of the motor almost touches the firewall. Remove the small hose from where it connects at the rear of the engine. There isn't much room but I was able to get a couple of fingers in there and squeeze the spring clamp together and get it off. Now you can remove the hose/pipe assembly. Pay close attention to how the pipe comes out because it will only go back the same way. Reverse all of the above steps to put it back together.

I spent almost a whole Sunday doing this job but now that I have it under my belt, I think I could do it in under 2 hours.

Last edited by tgoods; 10-19-2011 at 08:07 PM.
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