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PML Deep Transmission Pan for GM 6L50

Part Number 11150

Includes transmission pan, mounting bolts and washers, fill plug, magnetic drain plug and sealing washer.

On-line ordering temporarily not available. Call us if interested in this pan.

PML transmission pan for GM 6L50, as-cast finish PML Extra Capacity GM 6L50 Transmission Pan, Click To View Larger Image
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PML transmission pan for GM 6L50, black powder coat finish PML Extra Capacity GM 6L50 Transmission Pan, Black Powder Coat Finish, Click To View Larger Image
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As-cast finish Black powder coating

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

Dimensions: Click here for dimensions. The PML pan is about 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: $280.00 in cast finish, $350.00 in black powder coat with shaved fins

Applications

See Installations below for examples.

The GM 6L50 transmission is found on 2015 and newer Canyon and Colorado and models of Cadillac, Camaro Caprice, and Corvette. This pan was designed for trucks and SUVs with plenty of ground clearance such as:

  • 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

International trucks and SUVs, such as 2012 and newer Trailblazer, Holden Colorado and Colorado 7, may also be able to use this pan.

Trucks needing more ground clearance or cars such as Cadillac, Camaro, Caprice, and Corvette, please see our PML stock capacity 6L50 pan, in development.

Always check your vehicle to verify transmission and clearance. Configurations vary.

Suspension Leveling Kits can change the angle of the transmission and pan, which can change how the level check hole functions and affect the amount of fluid.

For 2017 and newer gas engine Canyon and Colorado, GM switched to an 8 speed transmission. See PML deep 8L90 transmission pan (in development), part number 11140.

This PML pan design is based on the stock transmission pan for Canyon/Colorado trucks.

stock transmission pan on a Colorado truck    Click on image to view larger.

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

Note: On some revisions of this pan, transmission fluid returning to the pan may splash out the level check hole. This fluid coming out may look like too much fluid was added when, in actuality, the pan is not over full. Revision 3 added a baffle to prevent the splash out. Contact PML to trade your current pan for a pan with the baffle. See Revisions Information below.

On the 6L50 transmissions we have seen, the fill is a plugged hole in the main casing, on the passenger/right side. Vehicles do not have a dipstick or fill in the engine compartment. The fluid level is checked by removing a bolt at the rear of the pan while the transmission is operating at temperature.

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

Check your owners or service manual for the procedure for your vehicle.

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

Drain

Drain on PML GM 6L50 transmission pan

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.

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

This PML transmission pan works with the stock filter.

PML designed this 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.

Gasket

PML 6L50 transmission pan works with stock gaskets.

PML pan ships with hardware

Included With Pan

This PML transmission pan ships with new mounting bolts and washers, fill plug, magnetic drain plug and sealing washer.

Image shows as cast finish part. Click to view larger image in a new tab or window.

Optional Machining For Temperature Sending Unit

Area for temperature sending unit on PML 6L50 pan

Optionally, this pan can be machined for an aftermarket temperature gage. There is a boss (half circle shaped, thick area on the casting) on the passenger (right) side of the pan. This location is indicated in the image of the inside of the pan.

If you want PML to drill and tap the pan, there is a $45 machining charge per hole and we would need to know the size. We can machine between 1/8 NPT and 1/2 NPT. Default size is 1/8 NPT if you require a different size, please call to order.

Revisions of PML 6L50 Deep Transmission Pan

There are three revisions of this pan.

  • Revision 1 shipped to a few prototype customers.
  • Revision 2 added more space for the exhaust cross over pipe on the gas engine trucks and moved the level check hole to the center of the pan.
  • Revision 3 added a baffle on the inside at the level check hole to prevent fluid splashing out on return from the transmission to the pan. Level check hole cannot be used as an alternate fill location.

1 – First revision PML 6L50 transmission pan    2 – Second revision PML 6L50 transmission pan    3 – Third revision PML 6L50 transmission pan
1 – Inside first revision PML 6L50 transmission pan    2 – Inside second revision PML 6L50 transmission pan    3 – Inside third revision PML 6L50 transmission pan

Ground Clearance, Stock Capacity Pan

Cars, such as Camaros and Cadillacs, would probably need a pan closer to the stock depth. A modified truck may also need a pan closer to stock depth.

Always check carefully for clearance.

Depending on demand, 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.

GM 6L50 stock transmission pans and PML pan Stock GM 6L50 Transmission Pans and PML Transmission Pan, Click To View Larger Image

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.

2017 Colorado 2.8 Diesel

Zach's Transmissions in Longmont, Colorado, installed this transmission pan on a 2017 Colorado. They emailed us pictures of the stock pan and pictures of the PML pan.

Stock Pan:
2017 Colorado, stock pan, view from front 2017 Colorado Diesel, stock transmission pan, front of pan   2017 Colorado stock transmission pan, view from rear 2017 Colorado Diesel, stock transmission pan, rear of pan   2017 Colorado, side view of stock transmission pan 2017 Colorado Diesel, stock transmission pan, side of pan
PML Pan:
2017 Colorado Diesel with PML 6L50 transmission pan PML 6L60 transmission pan on a 2017 Colorado   2017 Colorado, PML transmission pan, rear 2017 Colorado Diesel, PML transmission pan, rear   2017 Colorado, PML 6L50 pan, side 2017 Colorado Diesel, PML transmission pan, right (passenger) side
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2016 Canyon 2.8 Diesel 4x4

Jeff's Canyon has a Zone 5.5 suspension lift and has ample ground clearance. He reported that installation took about an hour. He noticed a 10 to 15 degree difference in transmission temperature after installing this PML pan.

2016 Canyon 2.8 4x4 2016 Canyon 2.8 Diesel 4x4, Zone 5.5 Lift   PML decal on 2016 Canyon 2016 Canyon with PML decal, looking good   2016 Canyon with PML transmission pan and drain plug 2016 Canyon Diesel with PML 6L50 transmission pan, driver side of pan showing drain hole and drain plug   2016 Canyon with PML pan 2016 Canyon Diesel 4x4 with PML transmission pan, fill hole at rear of transmission pan
Click on image to view larger in a new tab or window.

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
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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
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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
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