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Cheekster96

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Cheekster96 Enthusiast

Cheekster96

Posted
Posted

well, first thing i noticed when i got on my creeper and rolled under the Sierra is that there is alot less ground clearance than my 87 K20. I couldnt roll from the nose to the tail like i can with the older truck. What a difference 16 years is between trucks..

I was looking for a location to put a tranny cooler (4.8L) and didnt see any obvious spots. There is a skid plate (more like a plastic cover for all the steering components) that i thought about tucking up in there. Best bed is to try and get one up in front of the rad.

Saw the transfer case and its special note to techs calling out that it is made of magnesium. cool.

How do i know if the torsion bars have been adjusted? the truck rides good and is flat (nose isnt down more than the front).

The fuel pump is mounted on the frame and not in the tank, thats nice.

Looks pretty solid under there. Alot cleaner for sure than my old one..lol

I didnt see the oil filter, but didnt look too hard for it.

Plugs look easy enough to change out. Only 54K miles on it so i ll wait a bit longer. Saw that the gap is .060". pretty high isnt it?

just some thoughts on things i noticed while crawling under there.

The tranny is a 4spd. Is this still the 4L60E?

any other things i should know about that anyone can think of?

thanks.

later all.

Lee

snoman Senior Enthusiast

snoman

Posted
Posted
well, first thing i noticed when i got on my creeper and rolled under the Sierra is that there is alot less ground clearance than my 87 K20.  I couldnt roll from the nose to the tail like i can with the older truck.  What a difference 16 years is between trucks..

I was looking for a location to put a tranny cooler (4.8L) and didnt see any obvious spots.  There is a skid plate (more like a plastic cover for all the steering components) that i thought about tucking up in there.  Best bed is to try and get one up in front of the rad.

Saw the transfer case and its special note to techs calling out that it is made of magnesium.  cool.

How do i know if the torsion bars have been adjusted?  the truck rides good and is flat (nose isnt down more than the front).

The fuel pump is mounted on the frame and not in the tank, thats nice.

Looks pretty solid under there.  Alot cleaner for sure than my old one..lol

I didnt see the oil filter, but didnt look too hard for it.

Plugs look easy enough to change out.  Only 54K miles on it so i ll wait a bit longer.  Saw that the gap is .060".  pretty high isnt it? 

just some thoughts on things i noticed while crawling under there.

The tranny is a 4spd.  Is this still the 4L60E?

any other things i should know about that anyone can think of?

thanks.

later all.

Lee

 

 

 

 

 

Tranny cooler is best in front of radiator and mount it on drivers side if it is open as it will have least impact of engine cooling there. Make sure you route oil through radiator cooler first then aux cooler. Yes they are lower and the cross member under tranny/xfer case does not help matter either. At least in the classics (88 till 99) that cross member was inside of frame rails.

snoman Senior Enthusiast

snoman

Posted
Posted
is any cooler better than another?

or should i just get one from Summit?  B&M coolers.

Lee

 

 

 

 

Hayden will work too. To me brand does not mattter as much as the size for application and its presence. Something in the neighborhood of 6 to 7 inches wide by 12" or so long will do nicely. Advanced Auto sells a brand that I have used for over 25 years and with good results too. (never lost a tranny with one)

dewfpo Senior Enthusiast

dewfpo

Posted
Posted

Stacked plate coolers work a little better than tube/fin coolers. Less pressure drop, more surface area, etc...

 

DEWFPO

Cheekster96 Enthusiast

Cheekster96

Posted
  • Author
Posted

it was great! i was poking here..sticking my finger there and getting all gooey and wet. rubbing up against....ahh...ummm...well...nevermind..

the truck looks in great shape underneath. not as HD as the K20 but alot newer for sure.

later.

Lee

mmmikkke Senior Enthusiast

mmmikkke

Posted
Posted

Thanks for taking us there, Lee. Ever thought of being a poet?

 

Well done!

 

Yeah, that's the venerable 4L60E.

snoman Senior Enthusiast

snoman

Posted
Posted
Stacked plate coolers work a little better than tube/fin coolers.  Less pressure drop, more surface area, etc...

 

DEWFPO

 

 

 

 

 

They also restrict airflow through the core and rest of cooling system a lot more too and the airflow needs to get to rest of system too. I prefer the tube and fin for this reason and using a infered temp sensor I get a 25 to 30 degree drop across my fin cooler at a idle with engine is warm and clutch fan is engaged and my cooler is about 6 x 13 and a tube and fine type. This is after it passes through tank cooler too.

Cheekster96 Enthusiast

Cheekster96

Posted
  • Author
Posted

didnt look like a fuel filter..saw three separate fuel lines coming from it. will take another closer look at it when i get some time again.

thanks all for the tranny cooler suggestions. i ll start looking thru some catalogs.

later.

Lee

budhayes3 Senior Enthusiast

budhayes3

Posted
Posted

I got my trans cooler from Summit, it's a PermaCool 17,000 GVW. I'm very happy with it...just had to paint it flat black prior to installation (it came bare aluminum)

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