I’ve seen this come up in different forums across the internet - other than fan clutch, water pump
Radiator clogged externally or internally -
has anybody had different cure?
truck runs cool all day up to 50 mph -
On the highway at speed 60-65 starts to creep up - have to pull over at 115 and let it cool down -
Doesn’t happen right off the bat- takes 30 minutes of highway driving to start getting this way - and once it does just doesn’t recover -
Have to keep pulling over every 15 minutes
2006 international 4300 overheating on highway
Discussion in 'International Forum' started by Boxtrucker, Mar 1, 2021.
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115 isn't even operating temperature, do any lights come on telling you to shut the truck down?
Coffey Thanks this. -
Have you replaced or repaired any of those things you listed? Does your fan cut in at 100C?Dave1837 Thanks this. -
ChuckMartel Thanks this.
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as for the issue, I’d start with removing your condenser and carefully pressure washing your rad out. -
radiator and condenser has been cleaned -
Some improvement -
as I continue to hunt it down ... I have
Discovered a leak which is dripping oil
Down the passenger side of the engine ...
Possibly even from exhaust manifold gasket
Near cylinder number two -
is it possible to have a head gasket leak oil there ? -
I mistyped guys - 215f
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now what do we make of this oil leak-
Around the head gasket area / exhaust manifold ... not the cover higher up
Head gasket leaking ? Oil in exhaust leaking
Out of exhaust gasket? Bad valve seals ? -
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