2018 GMC YUKON XL Problems & Recalls

We have a 2018 Yukon with a 6.2. It has 70,000 miles on it. We have taken very good care of it and changed the mobil oil less than 5,000 mile intervals. The engine is making a terrible knocking noise. We stopped driving it the minute it started. We put it on a trailer and pulled it home and it has n...

The vehicle is experiencing symptoms consistent with the brake vacuum pump failure described in GM Special Coverage Adjustment N182202780, which applies to full-size GM SUVs in this model range. The symptoms include a hard brake pedal upon startup, reduced brake assist, increased stopping distance, ...

1. What component or system failed or malfunctioned, and is it available for inspection upon request? The engine (6.2L L87 V8) failed completely. The engine experienced knocking and rattling noises prior to the failure and then stopped functioning altogether while driving. The engine was replaced by...

Took the car to the dealer after getting alert from my GMC app saying it needed emission serviced, engine light came on, antilock brakes needing serviced. The dealership said that the engine is blown at just over 71200 miles. This car has only had service done at the dealership except for a tire cha...

The contact owns a 2018 GMC Yukon XL. The contact stated while driving 50 MPH, the check engine warning light was flashing. Additionally, there was an abnormally loud sound coming from underneath the hood, and the hood was shaking. The contact was able to drive to the residence. The vehicle was towe...

Mileage: 60,000

The contact owns a 2018 GMC Yukon XL. The contact stated while driving 50 MPH, the check engine warning light was flashing. Additionally, there was an abnormally loud sound coming from underneath the hood, and the hood was shaking. The contact was able to drive to the residence. The vehicle was towe...

Mileage: 60,000

2018 Yukon Denali engine failed June 2024 due to the lifter being bent. The dealership Richey Cadillac in Daytona Beach estimated the repairs at $18,862 and were going to have my vehicle for months. I took it to my mechanic who rebuilt the engine for $7181 in 30 days. My safety was placed at ri...

2018 Yukon Denali engine failed June 2024 due to the lifter being bent. The dealership Richey Cadillac in Daytona Beach estimated the repairs at $18,862 and were going to have my vehicle for months. I took it to my mechanic who rebuilt the engine for $7181 in 30 days. My safety was placed at ri...

2018 Yukon Denali engine failed June 2024 due to the lifter being bent. The dealership Richey Cadillac in Daytona Beach estimated the repairs at $18,862 and were going to have my vehicle for months. I took it to my mechanic who rebuilt the engine for $7181 in 30 days. My safety was placed at ri...

The contact owns a 2018 GMC Yukon XL. The contact stated while driving at an undisclosed speed, the vehicle stalled with no warning light illuminated. The vehicle was able to restart. The vehicle was taken to an independent mechanic where it was diagnosed with engine failure and the contact was info...

Mileage: 70,000

2018 Yukon XL: Safety of family put at risk over faulty transmission. Vehicle used to transport children many times daily. Transmission began slipping with slight lagging. Vehicle assessed by independent service center and we as customers told this is a common issue with GMC vehicles of this year...

2018 Yukon XL: Safety of family put at risk over faulty transmission. Vehicle used to transport children many times daily. Transmission began slipping with slight lagging. Vehicle assessed by independent service center and we as customers told this is a common issue with GMC vehicles of this year...

2018 Yukon XL: Safety of family put at risk over faulty transmission. Vehicle used to transport children many times daily. Transmission began slipping with slight lagging. Vehicle assessed by independent service center and we as customers told this is a common issue with GMC vehicles of this year...

The contact owns a 2018 GMC Yukon XL. The contact stated that the A/C unit had failed to operate as needed. The vehicle was taken to a dealer where the contact was provided an estimate for a diagnostic test. The contact then decided to take the vehicle to an independent mechanic to be diagnosed. The...

Mileage: 73,000

I heard tapping coming from the engine while it was running. Once I took it to a shop it was determined that the lifters and the camshaft was damaged and needed to be replaced.

Both second row seatbelt retractors have had issues retracting. We had them checked today while our car was in for other issues. Both seatbelt retractors are broken and need replacing ($1600). Without replacing them, the passengers using those seats would be at grave risk in an accident. We are ...

The contact owns a 2018 GMC Yukon XL. The contact stated that while her husband was driving 20 MPH in two wheel-drive(2WD), the vehicle started reversing while the transmission was in drive(D). The contact stated that after her husband switched to four-wheel-drive(4WD) and exceeded 40 MPH, the vehic...

Mileage: 102,000

Both seat belt retractors seem to be failing and something inside the retractor is cutting the seat belt. I had to replace the right seatbelt because it snapped after it was rubbing on the retractor inside the body. Now it seems the left side is having the same issue. The left seatbelt now will not ...

The contact owns a 2018 GMC Yukon XL. The contact stated that after starting the vehicle, the gear shifter failed to function as intended. The contact stated that the gear shifter was shifted into the drive; however, the gear shifter inadvertently shifted back into neutral. The contact stated that t...

Mileage: 148,000

We just purchased this vehicle from Winegardner GMC in Prince Frederick, MD. On [XXX} on our drive home from the dealership, we kept hearing a terrible screeching/ clucking noise coming from the rear when we were braking or applying any pressure to the brake pedal. We instantly contacted the dealers...

We just purchased this vehicle from Winegardner GMC in Prince Frederick, MD. On [XXX} on our drive home from the dealership, we kept hearing a terrible screeching/ clucking noise coming from the rear when we were braking or applying any pressure to the brake pedal. We instantly contacted the dealers...

We just purchased this vehicle from Winegardner GMC in Prince Frederick, MD. On [XXX} on our drive home from the dealership, we kept hearing a terrible screeching/ clucking noise coming from the rear when we were braking or applying any pressure to the brake pedal. We instantly contacted the dealers...

Annunciations: Stabilitrak, Park Assist Off, Steering Assist Is Reduced Drive With Care, Forward Collision System Unavailable, Adaptive Cruise Control. Indications: Cruise Control doesn’t work, steering jerks when turning, difficult to turn into parking spaces. Research shows Technical Service...

Annunciations: Stabilitrak, Park Assist Off, Steering Assist Is Reduced Drive With Care, Forward Collision System Unavailable, Adaptive Cruise Control. Indications: Cruise Control doesn’t work, steering jerks when turning, difficult to turn into parking spaces. Research shows Technical Service...

Annunciations: Stabilitrak, Park Assist Off, Steering Assist Is Reduced Drive With Care, Forward Collision System Unavailable, Adaptive Cruise Control. Indications: Cruise Control doesn’t work, steering jerks when turning, difficult to turn into parking spaces. Research shows Technical Service...

Driver seat automatically adjusts while driving particularly when I accelerate from a red light or stop sign. This causes me to not reach the peddles.I have to pull over and reset my seat. Has been doing this for two days.My vehicle is not equipped with the automatic memory seat. My two rear seatbel...

Driver seat automatically adjusts while driving particularly when I accelerate from a red light or stop sign. This causes me to not reach the peddles.I have to pull over and reset my seat. Has been doing this for two days.My vehicle is not equipped with the automatic memory seat. My two rear seatbel...

The vacuum pump seized causing the breaks to not work, brake assist not working code shows. The pump was replaced and after a week the same issue happened (vacuum pump seized) breaks are not working again.

Vehicle started accelerating and loosing power randomly on highway traffic in [XXX] . Sudden jerking behavior was very dangerous and unpredictable and non controllable upon investigation at the shop, mechanic found it was transmission issue, clutch was slipping and engaging randomly, had to pay ...

I own a 2018 GMC Denali, Yukon XL SUV, with 67k miles. While towing our 24’ Airstream (weight 4400 lbs) the vehicle excessively bounced in the air several times on a flat pull on I-80 in Northern Ca. I took it to three mechanics who told me that the front magnetic and rear air shocks had all fa...

The air-conditioning (A/C) unit in my 2018 GMC Yukon XL (my vehicle) is not blowing as cold as usual. The dealership (Westpoint GMC) where I purchased my vehicle says their A/C department is backed-up and that I would need to leave my vehicle with them for 2 to 3 days to run diagnostics. I took my...

Engine Valve Lifter for cylinder 3 had failed and Camshaft lobes damaged. Error codes of P0300 and P0303. Vehicle had 67,049 miles when I brought it in to be repaired at Park GMC in Greenville, SC on 12/28/2022. GMC has the lifters (they replaced all 8) and the camshaft. Failure happened while on I4...

WE WERE IN A CAR CRASH. THE AIRBAGS ON THE SIDES OF THE VEHICLE BUT NOT IN THE FRONT. THE FRONT AIR BAGS SHOULD HAVE GONE OFF.

WE WERE IN A CAR CRASH. THE AIRBAGS ON THE SIDES OF THE VEHICLE BUT NOT IN THE FRONT. THE FRONT AIR BAGS SHOULD HAVE GONE OFF.

Had transmission issues (slipping, jerking and jumping ), while driving on highway. it will not accelerate when pressing the gas and would accelerate randomly / jumping fast Uphill it wont move forward on drive grar, instead it rolls back, which can hit rear vehicle. very dangerous and not deriv...

The engine started making a ticking sound a few days after thanksgiving. I made an appointment with the dealership but they couldn’t take it in for 3 weeks. The day before my appointment I was driving on the highway and the lifter broke which caused the camshaft and a few other parts to break caus...

1. Torque converter and currently at the GMC dealership right now. 2. failed to acceralate and runs backwards on hills if you brake at a light; stuttering between first and second gear. Hesitate to stop at lights, jerks very hard after delayed take off after braking at light. 3. Confirmed by the ...

While driving the Driver side seat automatically reset to the furthest position away from the wheel and gas and break pad. This resulted in not being able to reach the break to stop.

The service trailer brakes alarm will just off incessantly which is a major safety hazard and it’s due to faulty wiring. I’m not happy about this at all GMC needs to recall these vehicles.

The torque converter is too small for the vehicles transmission which then caused it to break and put metal into the transmission fluid. Which cause the transmission to break. My safety was at risk was because while on highway it shot high on RPMs and then made funny noise and wouldn’t go. The pro...

The torque converter is too small for the vehicles transmission which then caused it to break and put metal into the transmission fluid. Which cause the transmission to break. My safety was at risk was because while on highway it shot high on RPMs and then made funny noise and wouldn’t go. The pro...

I was involved in a traffic collision. A large vehicle turned left in front of me and I t boned that vehicle. We were traveling about 30-35 MPH at the moment of impact. My vehicle sustained major damage ($20,000+) to repair according to the body shop. My wife, daughter and myself sustained injuries....

I was involved in a traffic collision. A large vehicle turned left in front of me and I t boned that vehicle. We were traveling about 30-35 MPH at the moment of impact. My vehicle sustained major damage ($20,000+) to repair according to the body shop. My wife, daughter and myself sustained injuries....

It’s starting to warm up now that winter is behind us, so when we recently drove our 2018 Yukon XL, we turned on the air conditioning. Unfortunately, only warm air came out of the vents. We made an appointment and took the Yukon to the GMC dealer. We paid over $160 for their diagnostic fee (com...

Brakes are hard to stop you got press on them real hard to stop and they had a recall about this problem, we hasn't crash yet.

2018 GMC Yukon Condenser cracked and leaked refrigerant to the environment. 17336 Air Conditioning Condenser (Combi-Cooler) Refrigerant Leak covers up to 2017 models. My 2018 Yukon produced in December of 2017 and experience same issue. $1800 repair at dealership.

Both struts went out on the car at once. When we went to the dealer, we were told that there were no struts in the country, and they have no idea when they will be available. When we called back this week to check on the progress, there is no progress at all. We have had to rent a vehicle, which w...

AC CONDENSER FAILED STRUCTURALLY AND LEAKED ALL REFRIGERANT FROM THE SYSTEM REQUIRING A CONDENSER REPLACEMENT AND RECHARGE

Mileage: 58,000

WHEN I LET GO OF THE BRAKE THE VEHICLE ACCELERATES ON ITS OWN. IT'S A SCARY FEELING, I FEEL LIKE DON'T HAVE CONTROL OF THE VEHICLE. ANOTHER PROBLEM THAT I HAVE IS THAT I CAN NOT PUT MY VEHICLE IN GEAR RIGHT AWAY WHEN I TURN ON THE ENGINE. ANOTHER PROBLEM THAT I HAVE IS RATTLING SOUND AND VIBRATION...

Mileage: 5,000

WHEN I LET GO OF THE BRAKE THE VEHICLE ACCELERATES ON ITS OWN. IT'S A SCARY FEELING, I FEEL LIKE DON'T HAVE CONTROL OF THE VEHICLE. ANOTHER PROBLEM THAT I HAVE IS THAT I CAN NOT PUT MY VEHICLE IN GEAR RIGHT AWAY WHEN I TURN ON THE ENGINE. ANOTHER PROBLEM THAT I HAVE IS RATTLING SOUND AND VIBRATION...

Mileage: 5,000

WHEN I LET GO OF THE BRAKE THE VEHICLE ACCELERATES ON ITS OWN. IT'S A SCARY FEELING, I FEEL LIKE DON'T HAVE CONTROL OF THE VEHICLE. ANOTHER PROBLEM THAT I HAVE IS THAT I CAN NOT PUT MY VEHICLE IN GEAR RIGHT AWAY WHEN I TURN ON THE ENGINE. ANOTHER PROBLEM THAT I HAVE IS RATTLING SOUND AND VIBRATION...

Mileage: 5,000

LEAK IN REAR AIR CONDITIONING LINE AT BODY MOUNT. COVERED UNDER MANUFACTURER WARRANTY IN MAY 2019, AND SAME LINE IS LEAKING IN MAY 2020, GM WILL NOT WARRANTY PARTS, LABOR (INSTALLED INCORRECTLY) OR POSSIBLE VEHICLE DEFECT.

Mileage: 20,935

FIRST TIME WAS IN REVERSE IN OUR DRIVE WAY. THEN PULLING INTO PARKING LOT, BRAKES WERE HARD TO PUSH WITH PULSING PEDAL AND WARNING MESSAGE ON DASH, CHECK BRAKE ASSIST. WE GOT VEHICLE STOPPED, HARD BRAKE PEDAL, WITHOUT HITTING ANYONE. THIS HAPPENED SIX TIMES ON 03-05-2020. THIS OCCURS AT SLOW SP...

Mileage: 40,000

I WAS DRIVING STRAIGHT ON A CITY STREET AT ABOUT 30 MILES PER HOUR AND A CAR WAS COMING OVER ON ME SO I HAD TO HIT THE BRAKES HARD SO THAT WE WOULD NOT COLLIDE. MY CAR SLOWED DOWN BUT DID NOT STOP. I WAS ON THE BRAKES HARD, BUT MY CAR ONLY SLOWED, IT DID NOT STOP. THE OTHER CAR HIT ME. AFTER WE EX...

Mileage: 31,400

THE VEHICLE CAME EQUIPPED FROM THE DEALER WITH NON STANDARD 22" ALUMINUM RIMS AND LOW PROFILE TIRES. I HAVE OWNED THE VEHICLE FOR 15 MONTHS - IN THAT TIME WE HAVE HAD FOUR FLAT TIRES (TWO BLOW OUTS), A BROKEN RIM, AND A BROKEN BALL JOINT. ALL OF THESE OCCURRED WHILE DRIVING UNDER NORMAL DRIVING COND...

Mileage: 8,604

WHEN I PUT THE CAR IN GEAR TO DRIVE- IT FELT AS IF THE BRAKE WAS ON - CHECKING ALL THE APPROPRIATE EMERGENCY BRAKE SYSTEM- CONFIRM THAT NO BRAKING SYSTEM WAS ENGAGED. PROCEEDED TO DRIVE AT THE RECOMMENDATION OF GMC AND WAS DRIVING AT 30MPH AS IF THE BRAKES WERE FULLY ENGAGED- CAR BEGAN TO SMOKE AND...

Mileage: 34,000

TL* THE CONTACT OWNS A 2018 GMC YUKON XL. WHILE THE CONTACT WAS DRIVING 20 MPH, ANOTHER VEHICLE CRASHED INTO THE FRONT PASSENGER SIDE OF HER VEHICLE. THE CONTACT'S VEHICLE ROLLED INTO A DITCH. THE CONTACT'S SON WAS SEATED IN THE THIRD ROW SEATS ON THE PASSENGER SIDE IN A CAR SEAT. THE SEAT BELT THAT...

Mileage: 26,755

BATTERY VOLTAGE DROPS AND WHEN TURNING LEFT AT LOWER SPEEDS YOU LOOSE STEERING. BATTERY VOLTAGE WILL NOT GO BACK UP UNTIL YOUR GET UP AROUND 70 MPH.

Mileage: 37,429

BRAND NEW YUKON XL 2018 5250 MILLS, THE AC TAKES A LONG TIME TO COOL DOWN AT LEAST 15 TO 20 MINUTES. I AM IN MIAMI,FL AND WITH 95 FAHRENHAIT AND 3 KIDS IN THE CAR. GMC AFTER 6 WEEKS OF TRYING TO FIX THE PROBLEM JUST LET ME KNOW THAT THE AC IS WORKING AS DESIGN AND THERE IS NOTHING TO DO. IN THIS 6 ...

Mileage: 5,250