Common questions

What kind of transmission cooler do I need for a Chevy Silverado?

What kind of transmission cooler do I need for a Chevy Silverado?

For a full size pickup truck is it typically best to get a larger cooler that has a large cooling surface with a higher GVWR, and either a stacked plate or plate and fin construction. With all these things in mind, our choices for the best transmission coolers for a Chevy Silverado or GMC Sierra include:

What kind of cooling does a GM Truck need?

While many GM trucks come factory with an external cooler, it is not big enough to provide the cooling needed for towing or hauling simply due to its size. The Tru Cool 40k utilizes a large plate and fin design that provides ample cooling for all strenuous driving situations.

Why does my GMC Sierra not have a transmission cooler?

One of the common issues with transmission cooling on the 14+ Sierras and Silverados is the bypass valve within the factory transmission line. This valve is designed to prevent complete fluid flow until the trans temps reach 190F+.

Can a transmission cooler keep Trans temps lower?

It is much easier to keep trans temps lower in older trucks due to their simple transmission cooler line setup. For newer models with a 6L80 or 6L90 however (2014+), the transmission cooler lines utilize a built in thermostat that remains closed and does not flow to the cooler until the fluid reaches 190 degrees.

Can a transmission cooler be replaced on a Chevy Silverado?

How To Remove & Replace Transmission Cooler Lines on Silverado or Sierra. Replacing the trans cooler lines on your truck is not to hard of a task. The hardest part will be removing the lines from the transmission.

What’s the best cooling system for a Chevy Silverado?

The Tru Cool 40k utilizes a large plate and fin design that provides ample cooling for all strenuous driving situations. With 13 rows of cooling, the Tru Cool 40k does a phenomenal job at keeping temperatures in check.

While many GM trucks come factory with an external cooler, it is not big enough to provide the cooling needed for towing or hauling simply due to its size. The Tru Cool 40k utilizes a large plate and fin design that provides ample cooling for all strenuous driving situations.

What should the transmission temperature be in a Chevy Silverado?

To combat this, many late model Silverado and Sierra owners will modify the thermostat to bypass it which allows fluid to continually flow to the cooler like it should. The transmission temperature fluid temperature chart shows that 175 degrees is the ideal temperature.

How does a transmission cooler work in a radiator?

In most applications where the external trans cooler is used in addition to the factory one, you will need to route the new transmission lines from the radiator to the external cooler. The below transmission cooler installation diagram shows the transmission fluid flow direction and how the fluid will be routed through a new external cooler.

Which is the coolest diesel transmission oil cooler?

The BD-Power 1300611 Xtruded Auxiliary Trans Cooler is the Coolest Xtruded Transmission Oil Cooler for your diesel pickup. The BD-Power high efficiency micro extruded bar technology provides 22% more cooling over other designs.

It is much easier to keep trans temps lower in older trucks due to their simple transmission cooler line setup. For newer models with a 6L80 or 6L90 however (2014+), the transmission cooler lines utilize a built in thermostat that remains closed and does not flow to the cooler until the fluid reaches 190 degrees.

Where are the transmission lines on a Chevy Silverado?

Removing the transmission lines from the radiator on your Silverado or Sierra is pretty straight forward and easy. Just like the lines going from the transmission, the lines at the radiator are held in by C clips into fittings that route fluid to the cooler inside the radiator.

What kind of truck was the 1985 GMC Sierra?

1985 GMC Sierra Specs. General Motor Company produced the first Sierra in 1975 as a full-size pick-up truck for the Chevrolet C/K trim. The name Sierra differentiated the various trims in this line, such as the Sierra Classic and Sierra Grand.

When was the first GMC Sierra pick up made?

General Motor Company produced the first Sierra in 1975 as a full-size pick-up truck for the Chevrolet C/K trim. The name Sierra differentiated the various trims in this line, such as the Sierra Classic and Sierra Grand.

For a full size pickup truck is it typically best to get a larger cooler that has a large cooling surface with a higher GVWR, and either a stacked plate or plate and fin construction. With all these things in mind, our choices for the best transmission coolers for a Chevy Silverado or GMC Sierra include:

Where can I buy 1985 GMC Truck Parts?

See results below for 1985 GMC Truck Parts. Classic Industries is America’s first choice for 1985 GMC Truck parts and accessories. Sorry—your search has returned more products than we can show at once.

One of the common issues with transmission cooling on the 14+ Sierras and Silverados is the bypass valve within the factory transmission line. This valve is designed to prevent complete fluid flow until the trans temps reach 190F+.

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Ruth Doyle