My Engine is experiencing rough idle. This vehicle has the l87 engine that has been recalled on other year models. Rough idle is one of the symptoms described before complete failure of the l87 engines.
2020 Cadillac Escalade ESV engine problems
moderate 12 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
When does it fail?
Of the 12 engine complaints filed for the 2020 Cadillac Escalade ESV, here's the actual mileage breakdown — failures cluster heaviest at 100,000-125,000 mi.
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
The failure pattern owners describe
Buyer takeaway: 2020 Cadillac Escalade ESV owners report sudden, unwarned engine seizures and complete failures often requiring full engine replacement, with failures documented between 105,000–125,000 miles. GM issued recalls for identical engine problems on 2021–2024 models but has not covered the 2020, leaving these owners without factory remedy despite widespread complaints about rod bearing wear and lifter failure linked to the active fuel management system.
Owners describe abrupt engine seizures during highway driving with no advance warning, forcing emergency pulls to the shoulder. The vehicle either stalls completely or loses power, and will not restart. Check engine lights and misfire codes precede some failures, but the progression from warning to seized engine is rapid.
Diagnostics reveal internal engine wear—specifically rod bearing degradation and broken valve train components (lifters, push rods)—as the failure root cause. One owner explicitly cited rod bearing wear; another found metal in the oil. Owners researching online discovered this is a widespread defect in the 6.2L and L87 engines using active fuel management. GM issued a voluntary recall covering 2021–2024 model years with the same engine, yet the 2020 model year is excluded despite identical reported failures. One owner reports GM replaced the engine under warranty; others paid for private engine replacement or could not afford repair. Replacement engine parts have become hard to source due to demand volume. Rough idle and intermittent misfires appear as warning signs before total failure in some cases.
Same Cadillac Escalade ESV engine reports on nearby years: 2019 · 2021 · 2022 · 2023
Failure modes owners describe
Engine seizure / catastrophic failure
Engine seizes suddenly without warning while driving, rendering the vehicle inoperable and requiring tow. Owners report complete engine failure at highway speeds and lower speeds. In some cases, GM replaced the engine under warranty; in others, owners had to pay for engine replacement or the vehicle was not repaired.
When: Reported between 105,000 and 125,236 miles; some at lower mileage without specific reporting
Symptoms owners cite: Vehicle stalls while driving; Loss of power; Engine will not restart after stalling; Seized engine on inspection
Codes mentioned: Cylinder misfire (P0300 range implied), Check engine light
Repairs/costs cited: Full engine replacement required. One owner reports GM replaced engine under warranty; another owner paid independent shop for replacement. Some vehicles not repaired due to cost or warranty denial.
Recalls/TSBs owners mention: GM issued voluntary recall for 2021-2024 model years with same engine; 2020 ESV with identical engine not covered. Manufacturer notified in some cases but did not offer remedy to 2020 model year owners.
Rod bearing wear / internal engine damage
Internal engine wear, specifically rod bearing degradation, leads to catastrophic failure. Owner explicitly references rod bearing wear as the cause of engine seizure. Metal found in oil in one complaint suggests internal wear progression.
When: Not specified in detail; failure may occur gradually before sudden seizure
Symptoms owners cite: Metal found in oil; Knocking or rattling noise from engine; Engine seizure
Repairs/costs cited: Full engine replacement required.
Recalls/TSBs owners mention: No TSBs or warranty coverage mentioned for 2020 model year despite recall issued for 2021-2024 models.
Lifter failure / bent push rod
Valve train component failure, including broken lifters and bent push rods, related to active fuel management system. Owner notes this is widespread in vehicles with AFM and replacement parts are unavailable due to high demand.
When: Not specified; discovered during troubleshooting of misfire and warning lights
Symptoms owners cite: Check engine light; Loud rattling from engine; Cylinder misfire; Loss of power during highway driving
Codes mentioned: Cylinder misfire
Repairs/costs cited: Bent push rod and broken lifter identified; replacement parts unavailable due to widespread nature of issue.
Engine misfire / rough idle
Cylinder misfire occurring intermittently or rough idle at idle. Owner notes rough idle as precursor symptom before complete engine failure in L87 engines that have been recalled in other model years.
When: Intermittent; one owner reports multiple occurrences
Symptoms owners cite: Check engine light; Cylinder misfire; Rough idle; Vibration
Codes mentioned: Cylinder misfire (specific cylinder reported: #7)
Repairs/costs cited: No successful repair documented; issues persist or lead to further diagnosis of lifter/push rod failure.
Recalls/TSBs owners mention: L87 engine recalled on other model years; 2020 included but misfire/rough idle not formally addressed.
Cooling system failure
Cooling system malfunction reported to cause engine damage. Minimal detail provided in narrative.
When: Not specified
Symptoms owners cite: Loss of coolant function; Engine damage
Synthesized from 12 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 12 most recent
My engine completely failed and required replacement. It failed on the highway and luckily I was able to coast to an exit ramp. I had a repair shop replace the entire engine. There are complaints all over the internet about this engine and it failing. GM recalled the 2021 through 2024 engine, but this one is also faulty.
The contact owns a 2020 Cadillac Escalade ESV. The contact stated that while at a complete stop at the red traffic light, the check engine warning light illuminated. The vehicle was steered to the side of the road and turned off. The contact stated that upon attempting to restart the vehicle, the vehicle to restart. The vehicle was towed to a certified independent mechanic, where the contact was…
The engine had lost power without warning. While driving at low speed.
Knocking noise coming from engine. Chirp noise coming from camshaft, and coils. Cylinder 7 misfiring, metal found in oil. I took my car to the Dealer because of vibration. Replaced 4 tires, balanced and aligned front end, that did not fix the problem. I took it back to the dealer balanced again and repaired valve stem, that still did not fix the vibration. I took the vehicle to 2 other places,…
There is something causing an engine misfire, and this was the first time it happened. It has happened again, and I realized that there were a lot of class action lawsuits about lifter failure in these engines
I learned that General Motors issued a voluntary recall for engine issues covering 2021 through 2024. I have a 2020 with the same exact engine problem. Basically, the engine completely failed when driving and now I'm stuck making payments on a car that is useless.
While driving on a highway, my wife abruptly experienced warning lights, loud rattling from engine and loss of power. Check engine light indicated cylinder misfire. Troubleshooting revealed a bent push rod and later discover broken lifter. While researching the issue it was found to be a very common issues with vehicles using active fuel management. Issue is so widespread parts are…
My original factory 2020 Escalade 6.2L engine suddenly without warning seized while driving on a two lane undivided highway. I was forced to steer and brake the vehicle from 70mph to the shoulder of the road. My Vehicle had to be towed to GM dealer who diagnosed a seized engine. GM Replaced engine under warranty. This incident is identical to the 6.2L engine failures of the 2021 to 2024 recall.
The colling system is not working properly and damage the engine
Common questions
How serious is the engine problem on the 2020 Cadillac Escalade ESV?
It's a documented issue but not catastrophic. 12 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Based on the 12 complaints filed, engine issues most often appear around 115,118 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.