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PML Deep Transmission Pan for GM 6L50

In Development
Part Number 11150

GM 6L50 stock transmission pans and PML pan Stock GM 6L50 Transmission Pans and PML Transmission Pan, Click To View Larger Image   PML transmission pan for GM 6L50 PML 6L50 Transmission Pan, Click To View Larger Image
Stock pans and PML pan. Click on image to view larger.

Volume: about 1 1/2 to 2 quarts over stock

Dimensions: The PML pan is about 5.25 to 5.5 inches deep.

Number of Bolts: 17 bolts (there are 19 holes, 2 holes locate the gasket and 17 holes for bolts to hold the pan to the transmission case)

Pricing: $285 in cast finish, $340 in black powder coat with shaved fins

Availability: Finished prototype phase April 2018. Updating design to add a little more clearance for the exhaust on gas engine trucks and make 5.3 inches deep. Production parts expected in Fall 2018. We working to get a limited number of pans available late July.

See pictures of Installations.

Applications

The GM 6L50 transmission is found on 2015 and newer Canyon and Colorado and models of Cadillac, Camaro Caprice, and Corvette.

  • 2015 and 2016 Chevrolet Colorado gas engine
  • 2015 and 2016 GMC Canyon gas engine
  • 2015 to 2018 Chevrolet Colorado 2.8 Diesel
  • 2015 to 2018 GMC Canyon 2.8 Diesel

  • 2009 to 2015 Camaro 3.6 (check ground clearance)
  • Some Cadillac CTS, SLS, STS (check ground clearance)
  • Vehicles with the 6L45 transmission (such as Caprice)

Always check your vehicle to verify transmission and clearance. Configurations vary. Cars may need a PML stock capacity 6L50 pan.

See Installations below for examples.

For 2017 gas engine Canyon and Colorado, GM switches to an 8 speed transmission. See article in The Shop Magazine. See PML deep 8L90 transmission pan (in development), part number 11140.

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Benefits of PML Design

  • Extra capacity
  • Finned to increase surface area for heat dissipation
  • Drain and magnetic drain plug
  • Thick walls and gasket flange
  • Heavy duty construction

Fill and Level Check

On the stock pan, we've heard that the fill is actually a hole in the main casing, on the passenger side, that is plugged with a rubber plug (no dip stick or fill tube).

We have heard that the level is checked by removing a bolt that looks like a drain at the rear of the pan while the transmission is operating at temperature. If no overflow occurs, the transmission needs fluid. Check your owners manual for the procedure for your vehicle.

The PML level check hole is at the same location relative to the transmission as on the stock pan.

Level check on stock GM 6L50 transmission pan Inside of stock GM 6L50 transmission pan, level check hole, click to view larger image   Level check on PML GM 6L50 transmission pan Inside of PML GM 6L50 transmission pan, level check hole, click to view larger image   Level check on stock GM 6L50 transmission pan, distance Stock GM 6L50 transmission pan, level check distance to flange surface, click to view larger image   Level check on PML GM 6L50 transmission pan, distance PML GM 6L50 transmission pan, level check distance to flange surface, click to view larger image
Click on an image to view larger.

Drain

Stock pan does not have a drain plug, so changing the transmission fluid and filter is a messy procedure.

PML pan has a drain hole on the driver side. A magnetic drain plug is included with the pan.

Drain on PML GM 6L50 transmission pan Driver's side of PML 6L50 Pan, drain hole shown, click to view larger image Click on image to view larger in a separate tab or window.

Filter Supports, Inside of PML Pan

Drain on PML GM 6L50 transmission pan

PML designed this transmission pan with filter supports. These hold the filter at the same location as the stock pan so no filter extension is needed.

The fluid level and pick-up remain the same with a PML pan as with the stock pan.

Image shows the inside of the pan. Click on image to view larger.

Ground Clearance, Stock Capacity Pan

This PML 6L50 pan may not provide enough ground clearance. Cars, such as Camaro and Cadillacs, would probably need a pan closer to the stock depth. Trucks with skid plates or modified trucks may also need a pan closer to stock depth.

Always check carefully for clearance.

PML is planning a stock capacity pan that would be about 3/4 inch taller than stock. See PML stock capacity 6L50 pan, part number 11149.

PML Transmission Pan Compared to Stock

PML Transmission Pan Part Numbers 11150 height compared to stock  PML Transmission Pan Part Numbers 11150, compared to stock
Click on image to view larger.

These images show this PML transmission pan compared to the stock pan.

There are two stock pans for the GM 6L50 transmission. One has heights of 3.3 inches at the front of the pan and 2.5 at the rear and the bottom flat part is 10.25 inches. The other pan is 3.1 inches in height and the bottom flat part is about 9 inches.

 

Installations

Our thanks to all those who have emailed us pictures of their installations:

2017 Colorado 2.8 Diesel

Dennis installed this PML transmission pan on his 2017 Colorado. He reported that " Installation was so easy, removed and replaced not even 1 hr" and that "my trany is running about 10 to 15 degrees cooler now".

2017 Chevy Colorado, diesel engine, 6l50 transmission 2017 Chevy Colorado, 2.8 diesel, 6L50 transmission   Driver's side view of PML transmission pan on a 2017 Chevy Colorado PML 6L50 transmission pan on a 2017 Chevy Colorado, 2.8 diesel, driver's side view, drain plug toward the front of the pan   PML transmission pan on a 2017 Chevy Colorado PML 6L50 transmission pan on a 2017 Colorado, 2.8 diesel, looking towards front of truck
Click on image to view larger.

2016 Canyon 2.8 Diesel

Kurt installed this PML transmission pan on his 2016 GMC Canyon 4x4 with the 2.8 Duramax Diesel. He reported that " install was pretty routine, took about 2 hours".

Kurt measured the slant of this PML pan and noted that the fins are a little below the frame. See bottom left image below.

2016 GMC Canyon, diesel engine, 6l50 transmission 2016 GMC Canyon, 2.8 diesel, 6L50 transmission   Stock 6L50 transmission pan on a 2016 GMC Canyon, diesel engine 2016 GMC Canyon 2.8 diesel, stock 6L50 transmission pan   2.8 Duramax Diesel Engine in a 2016 GMC Canyon 2016 GMC Canyon, 2.8 Duramax Diesel engine under the hood, 6L50 transmission
PML transmission pan on 2016 GMC Canyon, pan slants toward rear PML transmission pan on 2016 GMC Canyon Duramax, measurements show slight slant of pan toward rear of about 3 to 4 degrees   PML transmission pan on 2016 GMC Canyon, passenger side view Passenger's side view of PML 6L50 transmission pan on 2016 GMC Canyon Duramax   PML transmission pan on 2016 GMC Canyon, image shows drain plug PML transmission pan on 2016 GMC Canyon, drain plug is in middle of pan, close to the bottom
Click on image to view larger.

2016 Colorado 2.8 Diesel

Nick installed this transmission pan on his 2016 Colorado 2.8L Duramax Diesel 2WD truck. His truck has a 2 inch leveling kit. He reported that after installing the pan he drove to Idaho and his fluid temperatures were 20 degrees lower than on his last trip.

He checked clearances and reported that the PML pan does not hang down below front cross member.

2016 Colorado diesel, 6l50 transmission 2016 Chevrolet Colorado, 2.8 diesel, 6L50 transmission   2016 Colorado diesel, stock pan, driver side view 2016 Chevrolet Colorado diesel stock 6L50 transmission pan, driver side view   2016 Colorado diesel, stock transmission pan 2016 Chevrolet Colorado diesel stock 6L50 transmission pan
2016 Colorado diesel, PML pan installed, ground clearance 2016 Chevrolet Colorado Diesel with PML 6L50 transmission pan installed, picture shows ground clearance   2016 Colorado diesel, passenger side view of PML transmission pan 2016 Chevrolet Colorado Diesel with PML 6L50 transmission pan installed, picture shows passenger side view   2016 Colorado diesel, driver side view of PML transmission pan 2016 Chevrolet Colorado Diesel with PML 6L50 transmission pan installed, picture shows driver side view, drain plug on the side of the pan
Click on an image to view larger in a new tab or window.

2016 Colorado 3.6 Gas

Gas engine trucks have the exhaust cross over pipe under the transmission pan and the level check plug does not allow the stock pan to slide off. So Robert had to loosen and lower the pipe for more space so he could remove the stock pan and get the PML pan installed. After that, the installation went smoothly.

After installing the PML pan, Robert saw a fluid temperature reduction of 10 to 15 degrees when returning to highway speeds after stop and go traffic.

2016 Colorado gas engine truck 2016 Chevy Colorado 3.6 gas engine truck   2016 Colorado gas engine stock transmission pan 2016 Colorado gas engine truck stock transmission pan, exhaust cross over pipe under rear of pan   2016 Colorado stock trans pan fill plug Level check on stock transmission pan requires exhaust to be loosened and dropped to remove stock pan on 2016 Colorado 3.6 PML pan on 2016 Colorado 3.6 2016 Colorado 3.6 with PML transmission pan installed
Click on image to view larger in a new tab or window.

2010 Camaro 3.6

Monty installed this transmission pan on his 2010 Camaro Limited Edition LLT 3.6 V6.

Monty's Camaro has been modified with oversized tires and an aftermarket dual exhaust and muffler, so his Camaro is raised about 1 inch. This deep pan is not recommended for a stock Camaro.

The extra clearance on this Camaro provides enough space for this deep sump PML pan. Monty drained 7 quarts and added 9 1/2 quarts of fluid. He realized a 15-20 degree operating temperature drop after installation.

2010 Camaro Limited Edition LLT V6, modified 2010 Camaro Limited Edition LLT 3.6 V6, raised 1 inch with aftermarket exhaust, muffler, and oversized tires   2010 Camaro 3.6 V6 engine Engine of a 2010 Camaro Limited Edition LLT 3.6 V6   Modified GM 6L50 stock transmission pan, 2010 Camaro 3.6 Stock GM 6L50 transmission pan on a 2010 Camaro 3.6, drain added by owner
PML pan installed on 2010 Camaro V6, modified PML 6L50 transmission pan installed on 2010 Camaro Limited Edition LLT 3.6 V6, raised 1 inch, aftermarket exhaust, muffler   PML pan on modified 2010 Camaro V6, does not hang down below exhaust Exhaust pipes hang down lower than PML deep 6L50 pan on this modified 2010 Camaro   PML pan on modified 2010 Camaro V6, driver side view PML deep 6L50 pan on modified 2010 Camaro, driver side view
Click on image to view larger.