2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


schul274

5+ Year Member

Joined
Mar 16, 2020
Messages
22
Points
601
City
Milwaukee WI
Vehicle Year
2000
Transmission
Automatic
I'll come back and update the text. Just dumping the pics for now.

2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement
 
Last edited:
2 Cracked heads. I think the grime on the head is actually head gasket repair.

2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


King Cylinder Head replacement heads:

2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


I'm normally a chevy orange guy, so this was weird to buy:

2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


Gotta say, it turned out great:

2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


wrong headers...

2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


Copper coated head gaskets:

2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


The torques I used:

2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


Cleaning the lower intake manifold. Before:

2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


After:

2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


Not familiar with this type of gasket. Is this okay?

2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement
 
Last edited:
Quite the process.
Was that a spark plug I saw in the one pic....wow!
Good luck for the rest.
Thanks for all the pics.
 
Quite the process.
Was that a spark plug I saw in the one pic....wow!
Good luck for the rest.
Thanks for all the pics.

Yeah, there were actually 2 plugs like that. I think its from the heads being cracked and I have a feeling they put head gasket sealant in the coolant. that's my best guess. But they were gnarly for sure. Excited to get it back together and share my learning (there are a lot of posts about cracked heads, but not much for how to fix's).
 
More Pics (figured out how to not make the images so huge)

Ebay headers:
2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


Paper exhaust gaskets? Is that a thing? I used the ones that came in the head gasket kit:

2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


header hit the stearing column:

2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


[
2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


Fark:

2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement



Solution:

2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement



Really coming together now:

2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement
 
Pretty shitty welds and cleanup on those headers.
Nice job making them fit.
 
Its suppose to be GREY

LOL, nice job
 
Pretty shitty welds and cleanup on those headers.
Nice job making them fit.

Yeah, I've done eBay headers for a lot of my projects. they aren't the prettiest, but gosh dang are they cheap.

These ones also fit very well. very minor hammering required.

My old manifolds literally had every bolt stuck in them. I wasn't about to fight with that for hours.
 
It was more of a joke, the 4.0l OHVs usually had grey valve covers

But Ford blue or Chevy orange is fine, whatever "floats your boat", as they say, whoever "they" are

As long as the Ranger itself is painted RED all is good, all other colors are just primer until the final RED coat :)
 
Last edited:
So you're saying I have to paint it:

2000 Ford Ranger - 4.0 OHV - Cracked Cylinder Heads - Photos of head replacement


Its a 2000 w/ 80k miles on it.
 
He's only saying that because so many of the Rangers are red.
 
Only the FINISHED Rangers are RED, as said, the rest are just Primed and waiting for their final coat of RED

Yes, White is a good primer base color so its ready for a final coat, :)

Nice looking Ranger there, 4.0l regular cabs were not that common
 
Then why is my unfinished from the factory Ranger red?
 

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