K1500 engine oil cooler?
Kevin Tapperson
]There seems to be a discrepency about whether it came in with the
]enginer oil cooler option I wanted on it. If I crawl under the truck
]I can see two oil lines (send and return I assume) coming out right
]under the oil filter assembly and going into the side of the radiator..
]one on top, the other on bottom. I thought the engine oil cooler
]would be an add on sort of little 'radiator' type thing stuck out
]in front of the radiator, not just a bigger radiator with an oil
]cooling compartment. Can someone who has this option on their
]truck shed some light on this?
You said 5 spd, right. Well, since the tranny fluid cooler in the radiator is not
used with manual trannys, there is a perfectly good, unused cooler sitting
right there in the radiator. Chevy ran the oil cooler lines to what would
normally be the tranny fluid cooler.
Kevin Tapperson
kevi...@mail.utexas.edu
Bert Grubbs
rear end.
There seems to be a discrepency about whether it came in with the
enginer oil cooler option I wanted on it. If I crawl under the truck
I can see two oil lines (send and return I assume) coming out right
under the oil filter assembly and going into the side of the radiator..
one on top, the other on bottom. I thought the engine oil cooler
would be an add on sort of little 'radiator' type thing stuck out
in front of the radiator, not just a bigger radiator with an oil
cooling compartment. Can someone who has this option on their
truck shed some light on this?
thanks,
--Bert
Gregory M Zimmerman
: I just picked up my new Chevy K1500, extended cab, 5.7L, 5spd, 3.73
I'm just guessing, but it sounds like they just stuck a radiator for an
automatic tranny in your truck and piped the oil through where auto-tranny
fluid usually goes. I'm curious if anyone out there knows for sure.
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Daryl R. Smith
: I just picked up my new Chevy K1500, extended cab, 5.7L, 5spd, 3.73
: rear end.
: There seems to be a discrepency about whether it came in with the
: enginer oil cooler option I wanted on it. If I crawl under the truck
: I can see two oil lines (send and return I assume) coming out right
: under the oil filter assembly and going into the side of the radiator..
: one on top, the other on bottom. I thought the engine oil cooler
: would be an add on sort of little 'radiator' type thing stuck out
: in front of the radiator, not just a bigger radiator with an oil
: cooling compartment. Can someone who has this option on their
: truck shed some light on this?
On my Dad's '93 K1500, the auto tranny cooling lines go in to one side
of the radiator and the oil cooler lines go to the other side of the
radiator. Similar setup to the auto tranny side.
Daryl Smith
dars...@spk.hp.com
John M. Baltz
I've seen both oil-to-water and oil-to-air on Chevy products.
But for the most part the oil-to-air ones have been on
cars with the "police package" options.
--
John M. Baltz (jmbaltz @ ibm.vnet.com)
RTP, NC
Chuck Jackson
>Bert Grubbs (gru...@csc.cxo.dec.com) wrote:
>: I just picked up my new Chevy K1500, extended cab, 5.7L, 5spd, 3.73
>: rear end.
>:
>: There seems to be a discrepency about whether it came in with the
>: enginer oil cooler option I wanted on it. If I crawl under the truck
>: I can see two oil lines (send and return I assume) coming out right
>: under the oil filter assembly and going into the side of the radiator..
>: one on top, the other on bottom. I thought the engine oil cooler
>: would be an add on sort of little 'radiator' type thing stuck out
>: in front of the radiator, not just a bigger radiator with an oil
>: cooling compartment. Can someone who has this option on their
>: truck shed some light on this?
>: thanks,
>:
>: --Bert
>
>I'm just guessing, but it sounds like they just stuck a radiator for an
>automatic tranny in your truck and piped the oil through where auto-tranny
>fluid usually goes. I'm curious if anyone out there knows for sure.
>
On my 1992 GMC Z71 with 350 and 700R4, I have a trans **AND** and engine oil
cooler in the radiator. The trans cooler on the right side and the oil cooler
on the left.
I believe if you had the auto trans, you would have a separate trans cooler
just behind the grille (small radiator as you put it). This is new for 94 or 95
on up (I'm not sure). The "radiator" engine cooler seems to be fine for all but
the most severe conditions.
Chuck Jackson
>In <310633...@csc.cxo.dec.com>, Bert Grubbs <gru...@csc.cxo.dec.com> writes:
>]enginer oil cooler option I wanted on it. If I crawl under the truck
>]I can see two oil lines (send and return I assume) coming out right
>]under the oil filter assembly and going into the side of the radiator..
>]one on top, the other on bottom. I thought the engine oil cooler
>]would be an add on sort of little 'radiator' type thing stuck out
>]in front of the radiator, not just a bigger radiator with an oil
>]cooling compartment. Can someone who has this option on their
>]truck shed some light on this?
>
>used with manual trannys, there is a perfectly good, unused cooler sitting
>right there in the radiator. Chevy ran the oil cooler lines to what would
>normally be the tranny fluid cooler.
..Not true. The stock oil cooler does in fact use the radiator. On the older
trucks (my wifes 88 K5) there is a separate "headered" oil cooler behind the
grille.
Mike Maloney
>
>Bert Grubbs (gru...@csc.cxo.dec.com) wrote:
>: I just picked up my new Chevy K1500, extended cab, 5.7L, 5spd, 3.73
>: rear end.
>:
>: enginer oil cooler option I wanted on it. If I crawl under the truck
>: I can see two oil lines (send and return I assume) coming out right
>: under the oil filter assembly and going into the side of the radiator..
>: one on top, the other on bottom. I thought the engine oil cooler
>: would be an add on sort of little 'radiator' type thing stuck out
>: in front of the radiator, not just a bigger radiator with an oil
>: cooling compartment. Can someone who has this option on their
>: truck shed some light on this?
>: thanks,
>:
>: --Bert
>
>I'm just guessing, but it sounds like they just stuck a radiator for an
>automatic tranny in your truck and piped the oil through where auto-tranny
>fluid usually goes. I'm curious if anyone out there knows for sure.
>
>
The OEM oil cooler works 2 ways on GM trucks. One way is to use a "sandwich"
style cooler that connects from a adaptor mounted on the oil filter pad that
plumbs into the radiator. The other way is mainly used on the S-series trucks
in that the filter is mounted on the fender well and lines are routed into the
radiator. Both ways used their own coolers in the radiator, the transmission
cooler is still in the same location. On the Corvettes and Z28's they cool it
via the engine block.
So for the gentleman who has the factory cooler, yes, yours is the correct
cooler from the factory. The one that you are thinking of that is a seperate
radiator are the aftermarket ones that can be added on if vehicle didn't come
equipped with it from the factory.
Hope this helped..
Mike
Neil E. Amrhein
dars...@spk.hp.com (Daryl R. Smith) wrote:
>Bert Grubbs (gru...@csc.cxo.dec.com) wrote:
>: I just picked up my new Chevy K1500, extended cab, 5.7L, 5spd, 3.73
>: rear end.
>
>: There seems to be a discrepency about whether it came in with the
>: enginer oil cooler option I wanted on it. If I crawl under the truck
>: I can see two oil lines (send and return I assume) coming out right
>: under the oil filter assembly and going into the side of the radiator..
>: one on top, the other on bottom. I thought the engine oil cooler
>: would be an add on sort of little 'radiator' type thing stuck out
>: in front of the radiator, not just a bigger radiator with an oil
>: cooling compartment. Can someone who has this option on their
>: truck shed some light on this?
>
>of the radiator and the oil cooler lines go to the other side of the
>radiator. Similar setup to the auto tranny side.
>
>Daryl Smith
>dars...@spk.hp.com
My father's '93 K1500 has the same set-up. Oil cooler lines on one side,
tranny cooler lines on the other.
/****___******* Neil E. Amrhein (nam...@gl.umbc.edu) **********
* \_ __ -- I'd rather be DRAG RACING! *
* / \---|__\ http://www.gl.umbc.edu/~namrhe1 *
***** \_/-----------------------o ********************************/
Brett A Duncan
the oil filter housing (the aluminum assembly) to the radiator, the oil
cooler and the radiator are one and the same. I haven't seen this type
of truck without an oil cooler, so I wouldn't know what it looks like
without one. The transmission cooler on my automatic runs along the
other side to the radiator, my dads manual has no transmission cooler.
We just rebuilt the engine on mineat 151,000 miles and it was beautiful
inside so Chevy must have done something right. Bored the engine out .030
, went thru the head and reassembled, runs great now.
Bert Grubbs (gru...@csc.cxo.dec.com) wrote:
: I just picked up my new Chevy K1500, extended cab, 5.7L, 5spd, 3.73
: rear end.
: There seems to be a discrepency about whether it came in with the
: enginer oil cooler option I wanted on it. If I crawl under the truck
: I can see two oil lines (send and return I assume) coming out right
: under the oil filter assembly and going into the side of the radiator..
: one on top, the other on bottom. I thought the engine oil cooler
: would be an add on sort of little 'radiator' type thing stuck out
: in front of the radiator, not just a bigger radiator with an oil
: cooling compartment. Can someone who has this option on their
: truck shed some light on this?
: thanks,
: --Bert
Jeff Wilson
>
>I just picked up my new Chevy K1500, extended cab, 5.7L, 5spd, 3.73
>rear end.
>
>There seems to be a discrepency about whether it came in with the
>enginer oil cooler option I wanted on it. If I crawl under the truck
>I can see two oil lines (send and return I assume) coming out right
>under the oil filter assembly and going into the side of the radiator..
>one on top, the other on bottom. I thought the engine oil cooler
>would be an add on sort of little 'radiator' type thing stuck out
>in front of the radiator, not just a bigger radiator with an oil
>cooling compartment. Can someone who has this option on their
>truck shed some light on this?
>
>thanks,
>
>--Bert
I'm not sure if it is or not, but it could have a sandwhich cooler. I saw a
short article in 4 Wheel and Off Road (Dec. 95) about one that GM used to use
on the Camaro/Firebird and Corvette that anyone could hookup to a small block.
They may just use it since they already had them. It goes between the oil
filter and it's mount and works by circulating coolant throught the cooler to
cool the oil as it passes by. Seems like a good set up to me and I've been
considering installing one on my Jimmy.
Jeff Wilson 1988 GMC Jimmy full-size
jwi...@shore.intercom.net
jim forest
>
>Bert Grubbs (gru...@csc.cxo.dec.com) wrote:
>: I just picked up my new Chevy K1500, extended cab, 5.7L, 5spd, 3.73
>: rear end.
>
>: There seems to be a discrepency about whether it came in with the
>: enginer oil cooler option I wanted on it. If I crawl under the truck
>: I can see two oil lines (send and return I assume) coming out right
>: under the oil filter assembly and going into the side of the radiator..
>: one on top, the other on bottom. I thought the engine oil cooler
>: would be an add on sort of little 'radiator' type thing stuck out
>: in front of the radiator, not just a bigger radiator with an oil
>: cooling compartment. Can someone who has this option on their
>: truck shed some light on this?
>
snip
what size is the lines? It seems funny to me to try and force 30w oil
(what happens when its cold and the oil is like syrup?) through an oil
cooler designed for automatic transmission fluid (10w?) would be in error,
for one thing would the auto trans cooler in the radiator be able to handle
the oil volume flow that the oil pump puts out? would there be a pressure
drop between the in and out lines to the cooler? most after market engine
oil coolers I've seen (if memory serves me rigth) use 1/2" or larger hoses
with 1/2" or larger tubes in the add on radiator to prevent oil pressure
loses and provide adequate oil flow (volume)
If GM used a standard auto trans cooler in the radiator to cool engine IMHO
it a cheap way to do it!
any comments?
jim
Gerald Luiz
My truck has a radiator all by itself. In front of it is a thinner, but same
width and height for the A/C. Another in front of that one, same size, with 4
hoses - 2 for the oil cooler, 2 for the transmission cooler. In front of that
is a small one to cool the power steering.
Kenneth Shields
: I just picked up my new Chevy K1500, extended cab, 5.7L, 5spd, 3.73
: rear end.
: There seems to be a discrepency about whether it came in with the
: enginer oil cooler option I wanted on it. If I crawl under the truck
: I can see two oil lines (send and return I assume) coming out right
: under the oil filter assembly and going into the side of the radiator..
: one on top, the other on bottom. I thought the engine oil cooler
: would be an add on sort of little 'radiator' type thing stuck out
: in front of the radiator, not just a bigger radiator with an oil
: cooling compartment. Can someone who has this option on their
: truck shed some light on this?
Since at least 94, the Oil Cooler is "inside" the radiator. The
Std auto trans cooler is also inside the radiator. If you have the optional
HD Trans cooler (trailering pkg.) there is an external cooler in front of the
Radiator. Only the HD (above 8600 lbs GVWR) have the external oil coolers.
The "in-the-radiator" coolers help to bring the oil up to temp faster,
and also help to keep the whole engine at the same operating temp, to
reduce thermal stress.
Ken