GM 6L80, 6L80E, Deep
|Black powder coating
Volume: 2 quarts over stock
Dimensions: Click here for dimensions in a new tab or window. The 6L90 pan is similar in shape but is longer at 18 1/2 inches.
Number of Bolts: 18 (there are 20 holes in the pan, 2 holes hold the gasket and 18 holes hold the pan to the transmission case)
Description and Applications
This extra capacity heavy duty transmission oil pan fits the GM 6 speed hydramatic 6L80, 6L80E transmissions. PML designed this pan for 2006 and newer Chevrolet and GM trucks and SUVs, such as Silverado, Sierra, and Avalanche.
This pan features:
This pan fits the GM 6L80, 6L80E transmission, typically found on these vehicles:
Trucks and SUVs have a variety of configurations. Look at yours before you order to verify your transmission and clearance. If you have skid plates or require a lower profile pan, check our stock capacity pan for the 6L80, 6L80E.
Camaro, Corvette, G8 and some Cadillacs also have the 6L80, 6L80E transmission. Please see PML's low profile pan as cars generally do not have the clearance for a larger, deep pan. It is PML part number 11087.
In many cases, you will need to drop the exhaust to install this pan. You would need to drop the exhaust to service the transmission with the stock pan as three bolts are not otherwise accessible. See installation images below that show the routing of the exhaust.
This pan can be modified for pan filling. Please call or email if you want this deep pan and need to fill through the pan.
Filter and Gasket Information
This image shows the inside of the PML pan.
PML transmission pans work with stock filters, easily available from your favorite auto parts store.
Because the pan is deeper than stock, the pan has filter supports cast in. A deeper filter or extension is not needed since the transmission fluid is at the same level with a PML pan as with the stock pan.
The stock GM filter is "GM Part No. 24236517" and the AC Delco box has part number "24236933".
This image shows a 6L80E transmission, stock filter and stock reusable gasket.
This transmission pan works with stock gaskets.
PML designed this pan to accommodate the reusable factory gasket. Please make sure the gasket is clean and free of any holes or nicks to avoid leaks.
Temperature Sensor Information
Three bosses are provided that can be machined for use with aftermarket sensors and gages. If you would like PML to machine a boss on this pan for a temperature sensor, the machining charge is $40 and this option must be ordered over the phone. The boss can accommodate 1/8 to 1/2 NPT. Let us know which location you prefer and what size to machine. The bosses can also be used as alternate drain plug locations.
Drain Plug and Bolts
This pan includes a magnetic drain plug and mounting bolts.
The drain is on the driver's side.
PML 6L80E Transmission Pans and GM Stock Pan Compared
PML Transmission Pan on 2010 GMC 1500 Denali at Leon's Transmissions
Leon's Transmissions in Garden Grove, 714-534-3300, installed a black powder coated deep 6L80 pan on a 2010 GMC 1500 Denali. To get the pan installed, they loosened and dropped the exhaust. Leon's also installed a PML differential cover on the truck.
RV Magazine Installs PML Transmission Pan and Temperatures Drop
RV Magazine January/February 2014 Tech & How-To section goes through the installation and testing of a deep PML 6L80 transmission pan on a 2012 Chevrolet Silverado. Here's a quote from the end of the article:
"Our testing route took us on a 26-mile loop, up and down 6-percent grades the whole way. On the final hill where we noted our temperatures it takes about 10 minutes to reach the summit at 55mph. Before the PML pan, our transmission temperature measured 159 degrees at the base of the hill and 210 degrees at the top. Once over the top and coasting down the backside, the temperature continued to rise, hitting 218 degrees before starting to cool down five or six minutes later. With the PML pan, our temperature was 160 degrees at the base and 192 degrees at the summit. That’s a pretty decent difference, but what was really fun was how quickly it cooled back down. Almost immediately after cresting the hill, the temp began to drop, more than 5 degrees in about a minute. Impressive."
Blattenberg, Adam. "Transmission Stamina." RV Magazine January/February 2014: 52-4. Print. Link to full article on line: http://www.rvmagonline.com/tech/1402-pml-transmission-2012-chevrolet-sliverado-1500-tech/.
PML Transmission Pan on 2011 Avalanche
Steve installed this pan on his 2011 Chevrolet Avalanche LTZ 4WD 5.3 liter with a 6L80E transmission. The first image shows the stock pan and the exhaust crossover pipe. The center and right images show the PML pan installed. Steve loosened both exhaust flanges at the manifolds to allow the exhaust crossover pipe to drop down about a half an inch. This provided room for removing the stock pan and installing the PML pan. He captured 5.3 quarts of fluid and refilled with 8 quarts. Steve said "The fit and finish of your pans are incredible. I followed the instructions provided and reused the silicone gasket from the stock pan."
PML Transmission Pan on 2007 Cadillac Escalade
Dave installed our 6L80 transmission pan on his 2007 Cadillac Escalade EXT AWD, 6.2 liter engine. He got the pan in the cast finish then painted it engine semi gloss black and sanded off the high points. For the installation, the exhaust had to be off the manifolds on both sides to get clearance for the pan. For the stock pan, only the right side needed to be off. He used the stock reusable gasket. He saw a temperature drop of 10F, no towing, no other modifications.
PML Transmission Pan on 2013 Suburban
About the Similar GM 6L50 Transmission
The transmisison pan for the GM 6L50 transmission found on models of Cadillac, Camaro and Caprice, has 17 bolts and is smaller than the 6L80 or 6L90 pans (17 x 11 x 3 inches). Click for a picture of a stock 6L50 pan. PML has not yet received any requests for a transmission pan for the 6L50. We have heard that the 6L45 is similar to the 6L50.
PML Transmission Pan Features
Gasket and filter not included (use stock parts).
Learn more about finishes and construction of PML parts.
If you would like PML to machine your pan for a temperature sensor, there is an additional charge of $40. Please place your order over the phone if you would like machining.
For a larger picture, please click on one of the above images. A separate window or tab will open showing a bigger picture. (The larger pictures take a minute to display.)
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