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GMC Terrain LFX 3.6L V6 Engine Oil Change Guide
How to change the motor oil and replace the filter on the LFX 3.6L V6 engine in a 1st generation 2013 to 2016 Terrain.

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2016 Terrain 3.6L V6
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LFX Engine Oil Filler Cap
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Twist Off Counterclockwise

This automotive maintenance tutorial was specifically written to assist owners of the first generation (2013, 2014, 2015 & 2016) GMC Terrain equipped with the LFX 3.6 liter V6 engine in changing the motor oil and replacing the oil filter.

Owners of other General Motors vehicles such as the Buick Verano, Regal, LaCrosse, Cascada, Encore, Enclave, Envision, GMC Canyon, Sierra 1500, Acadia, Yukon, Denali, Savana, Spark, Sonic, Cruze, Malibu, Impala, Volt, Camaro, Corvette, SS, Trax, Equinox, Traverse, Tahoe, Suburban, Colorado, Silverado and Express may also find these DIY instructions to be helpful.

The tools and other items needed to complete this procedure include a 15mm socket, a 3/8" drive ratcheting wrench, a used oil catch basin, a new oil filter, a Lisle 63600 oil filter wrench, an automotive funnel and 6 U.S. quarts of new SAE 5W-30 oil.


A few compatible replacement oil filters for the LFX 3.6L V6 engine with their part numbers are as follows: Mobil 1 M1-212, Fram XG10575, K&N PS-2011, Royal Purple 20-500, Purolator PSL22500, Bosch 3502, ACDelco PF63F, Pentius PLB10575, Hastings Filters LF641 and Pennzoil HPZ-173.

Owners of the earlier 2010, 2011 & 2012 GMC Terrain model years with the LF1 3.0L V6, LFW 3.0L V6, LAF 2.4L I4 and LEA 2.4L I4 engines may also find this guide to be helpful.

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Lift Up Oil Dipstick
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Silver Metal Oil Pan
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Oil Drain Bolt
The first steps are to warm up the engine for a few minutes, park the SUV on a level surface and turn off the ignition.

Warming up the engine will help suspend any contaminants or metal shaving within the old oil and also allow it to drain out more quickly.

Engage the emergency / parking brake and chock both sides of the rear wheels to prevent it from moving.

Open the hood, twist off the oil filler cap in the counterclockwise direction and lift up the yellow plastic handled dipstick an inch or two.

Removing the oil filler cap and lifting up the dipstick part of the way out will help prevent a vacuum from forming and also allow the old oil to drain out faster.

Slide under the front passenger side of the engine bay with the 15mm socket, 3/8" drive ratcheting wrench and the used oil catch container.

Locate the silver metal oil pan and the oil drain bolt. The oil drain bolt faces is on the rear edge of the oil pan and the bolt head faces towards the back of the vehicle.

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Used Oil Catch Container
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Loosen Counterclockwise
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Drain Out Old Oil
Slide the used oil catch basin to just below the oil drain bolt.

Loosen the oil drain bolt by turning it counterclockwise with the 15mm socket and a 3/8" drive ratcheting wrench.

Be careful when you remove the oil drain bolt. The old oil might still be hot enough to burn your fingers depending on how long you warmed up the engine.

Spin out the oil drain bolt in the counterclockwise direction.

Allow the old oil to drain out for at least a few minutes or until the flow slows down to just an occasional drip.

If the oil drain bolt is equipped with a washer, inspect it and replace it if necessary with a new crush washer.

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Replace Oil Drain Bolt
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Slide Basin Forward
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Oil Filter Location
Wipe clean the oil drain hole with a paper towel or a rag.

Replace the oil drain bolt by hand and spin it in a few turns in the clockwise direction to prevent it from becoming cross threaded.

Tighten the drain bolt with the 15mm socket and 3/8" drive ratcheting wrench to just past hand tight or about 20 to 25 ft-lbs of torque.

Double check that the oil drain bolt is tight before moving on to the next step.

Slide the used oil catch container forward to just below the oil filter located on the front of the engine.

I found it easiest to access the oil filter by reaching in from above the engine. The oil filter is situated about half way down the front of the engine in between the dipstick and the alternator.



 

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Reach In From Above
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Lisle Oil Filter Wrench
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Remove Old Oil Filter
You might prefer removing the oil filter while lying on the floor under the engine.

Twist off the old oil filter by turning it counterclockwise.

If you have trouble removing the old oil filter, use an oil filter wrench such as the Lisle 63600.

Carefully remove the old oil filter to prevent from spilling used oil on the engine.

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Dip Finger In New Oil
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Lubricate New O-Ring
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Twist On New Filter
Dip your pinky finger in to some new oil and lubricate the rubber o-ring gasket on the new oil filter.

Lubricating the o-ring on the new filter will help it form a better seal, prevent oil leaks and also make it easier to remove during the next oil change.

I recommend buying the Mobil 1 M1-212 oil filter since it has excellent reviews on Amazon.

Twist on the new oil filter in the clockwise direction to about 1/2 to 1/3 turn past hand tight.

Try to avoid over tightening the new filter to prevent from damaging the filter or the o-ring gasket which may lead to an oil leak.

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Insert Automotive Funnel
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Pour In New Oil
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Replace Oil Filler Cap
Insert the automotive funnel in to the oil filler hole.

It is far better to have slightly less oil than necessary in an engine than to over fill it with oil.

Running an engine that has been over filled with oil may cause sluggish performance or cause damage to seals, gaskets and other components.

The LFX 3.6L V6 engine's total capacity for an oil change with a filter replacement is 6 U.S. quarts (or 5.7 liters).

Slowly pour in only about 5 to 5.5 quarts of new SAE 5W-30 oil.

Temporarily replace the oil filler cap by twisting it on in the clockwise direction and push down the oil dipstick.

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Check Dipstick Oil Level
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Replace Dipstick
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Oil Change Complete
Start the engine and allow it to warm up for at least a minute or two.

Turn off the engine and allow the new oil to drain down to the oil pan for at least 5 to 10 minutes.

Pull out the dipstick, wipe it clean with a paper towel, re-insert the dipstick all the way in and pull it out again to check the oil level.

If necessary, slowly pour in more oil while repeatedly checking the dipstick level until it reaches just at or below the upper dot on the end of the dipstick.

Once the oil level is correct, replace the dipstick and twist on the oil filler cap in the clockwise direction.

Be sure to record the oil change in your SUV's service records.

There are two methods to reset the engine oil life system depending on your vehicle's model year.

For Terrain models with the DIC (driver information center), follow these steps: 1. Turn the ignition switch to the "On/Run" position but do not start the engine. 2. Press the DIC Menu button to view the vehicle information menu. 3. Press the up or down arrows until you can see the "Remaining Oil Life" screen on the dispaly. 4. Press the "SET/CLR" button until the oil life resets to 100%.

If your Terrain does not have the DIC display, follow these steps: 1. Turn the ignition switch to the "On/Run" position but do not start the engine. 2. Press the accelerator (gas) pedal all the way down and release it at least 3 times within 5 seconds.

For more, check out my other 2010-2016 GMC Terrain DIY Repair & Maintenance Guides.
 

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