2000 4.0L 4WD Overheating issue

[Lee's Automotive]

Yeah sorry I have an 04 4.6 I got off topic by generation and hijacked for a second lol.

lol no problem

 

[Josh P]

hayden makes a severe duty clutch at least gor the 2gs

It fits all years of the 4.0.

 

[radman]

I would take a look at the fan clutch .
Test it !
By the way you are hurting your engine by allowing it to overheat 220 is way too hot in my opinion

There are many people pointing to the fan clutch. The easiest way to check if you are getting proper air flow through the radiator is to warm up the engine to normal with the hood closed and lay a shop towel over the grill. If the towel will not stay put that means the fan will not pull the air the engine needs at idle. If the air flow is adequate then the radiator is suspect for your issue.

 

[C420sailor]

That’s a neat trick.

 

[donalds]

That’s a neat trick.

Indeed

 

[fast_dave]

Another Old School Mechanical/Temp Activated Fan Clutch Performance Test

Bring truck up to operating temperature.
Fold over an old section of 5/8" heater hose so it's about a foot long when doubled over.
With engine idling, and being aware of engine compartment surroundings, carefully insert the folded over hose in the path of the fan blades.
If the clutch is good, it will easily overcome the resistance of the heater hose, and act like it's a playing card on bicycle wheel spokes.
If the clutch is bad, the fan will instantly stop spinning as the engine continues to idle.

Carry on -

 

[C420sailor]

Good one!

I’d wear eye protection and/or stay out of the plane of the blades during that test. Those plastic fans are often cracked

 

[fast_dave]

Good one!

I’d wear eye protection and/or stay out of the plane of the blades during that test. Those plastic fans are often cracked

Even better yet - I learned this method from my HS Auto Shop Teacher

Today, Helicopter Parents & Single Mom Karen's would probably have him arrested.