Rv
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Joined: Sep 2006
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From: Fort Valley,GA
Rv
I bought a 1990 camper with a 460 and took it 200 miles this weekend. I first ran it warm and shortly there after blew tranny fluid out the front of the tranny. Found some help figured out just ran it hot put fluid back in it and went on my way. It continued running warm but made it ok. On my way back after spending 3 long hours changing thermo( broke both studs off 4 hrs. from home) it still ran on the warm side. Is this normal and is it suppose to vary by speed and what temp thermo is it suppose to have.
THANKS GUYS,
Michael
THANKS GUYS,
Michael
Postmaster
Joined: Mar 2001
Posts: 4,968
Likes: 3
From: So Cal
Could be all kinds of things with that age truck. Did the engine overheat or do you have a tranny fluid temp guage? What do you mean you ran it warm?
Blowing fluid out the front of the tranny is most lilekly to be overheated tranny fluid forcing it's way past the front seal. Usually a temporary problem unless the seal is really old or worn out.
Thermo probably should be about 190, my 94 460 is.
With your trucks age, you might have clogged cooling system, clogged radiator, old pump etc. You may need chemical flush and or rodding out the radiator.
A hot engine will heat up the tranny and vice versa. Temperature of both will vary a lot depending on speed, load, wind resistance condition of the cooling system etc.
Don't know the equipment on your truck. So you might need a tranny cooler. Or your tranny is getting old and starting to slip which makes heat.
Too many possibilities without knowing more about the truck and symptoms.
Good Luck,
Jim Henderson
Blowing fluid out the front of the tranny is most lilekly to be overheated tranny fluid forcing it's way past the front seal. Usually a temporary problem unless the seal is really old or worn out.
Thermo probably should be about 190, my 94 460 is.
With your trucks age, you might have clogged cooling system, clogged radiator, old pump etc. You may need chemical flush and or rodding out the radiator.
A hot engine will heat up the tranny and vice versa. Temperature of both will vary a lot depending on speed, load, wind resistance condition of the cooling system etc.
Don't know the equipment on your truck. So you might need a tranny cooler. Or your tranny is getting old and starting to slip which makes heat.
Too many possibilities without knowing more about the truck and symptoms.
Good Luck,
Jim Henderson
Senior User
Joined: Nov 2008
Posts: 276
Likes: 0
From: Nashville NC
Michael,
90 model 460, that should be an injected engine, so that means there should be cencors telling the computer what the engine is doing.
Like Henderson said though, need more information on the unit you have like class C or class A RV & name.
If its a class A, more than likely it has an engine oil cooler & a transmission fluid cooler in a combined unit & in front of the radiator.
Could be something as simple as the fan clutch bad & the fan not comming on to pull air through the radiator.
Neil
90 model 460, that should be an injected engine, so that means there should be cencors telling the computer what the engine is doing.
Like Henderson said though, need more information on the unit you have like class C or class A RV & name.
If its a class A, more than likely it has an engine oil cooler & a transmission fluid cooler in a combined unit & in front of the radiator.
Could be something as simple as the fan clutch bad & the fan not comming on to pull air through the radiator.
Neil
