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2021 Cadillac Escalade ESV engine problems
moderate
Owners of the 2021 Cadillac Escalade ESV have filed 38 NHTSA complaints about the engine, typically surfacing around 90,000 miles at roughly $3,100 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation.See engine across all vehicles →
Failure mileage
Q1 57kmed 90kQ3 100kn=8
Complaints
38
Recalls
1
Avg fix
$3,100
engine complaints on the Cadillac Escalade ESV, by model year
Of the 38 engine complaints filed for the 2021 Cadillac Escalade ESV,
here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
0-25k
1 (25%)
25-50k
1 (25%)
50-75k
1 (25%)
75-100k
1 (25%)
100-125k
0 (0%)
125-150k
0 (0%)
150k+
0 (0%)
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.
What stands out
Of the 7 model years of Cadillac Escalade ESV we track for engine problems, this one carries the most owner complaints on file — 38.
Engine accounts for 60% of every owner complaint on file for this vehicle — the dominant problem area across 3 categories tracked.
General Motors LLC (GM) is recalling certain 2021-2024 Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500, Suburban, and Tahoe, GMC Sierra 1500, Yukon, and Yukon XL vehicles equipped with a 6
Engine failure increases the risk of a crash.
Fix: Dealers will inspect the engine, and as necessary, repair or replace the engine. For vehicles that pass inspection, dealers will add higher viscosity oil, install 6 oil fill cap, replace the oil filter, and update the owner's manual. Repairs will be performed free of charge. Owner notification letters were mailed June 18, 2025. Owners may contact Cadillac customer service at 1-800-333-4223, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is N252494000.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine on this vehicle — documented
repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall
(it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Service CampaignN262552620May 2026
Certain vehicles may have a condition that could cause the cylinder 2 glow plug to fail. If this failure occurs, the Malfunction Indicator Light (Check Engine Light) will illuminate and a diagnostic trouble code will set. This special coverage covers the condition described above for a period of 15 years or 150,000 miles (240,000 km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after May 11, 2026, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair
Certain vehicles listed above, may have a condition where the connecting rod and/or crankshaft engine components in these vehicles may have manufacturing defects that can lead to engine damage and engine failure. This special coverage covers if an engine failure occurs in the vehicle as a result of the condition described above for a period of 10 years or 150,000 miles (240,000 km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after May 23, 2025, are covered by this special coverage and must be submitted using the labor operation code
Under Field Actions N252494000, N252494001, the service procedure includes performing a PICO test on vehicle engines within the identified suspect VIN population. If the engine passes the PICO test, the engine oil will be changed from 0W20 to Mobil 1 Supercar 0W40 dexosR. From that point forward, the engine must use 0W40 dexosR oil products for all future oil change services.
Certain vehicles listed above, may have a condition that could cause the engine coolant control valve to fail an onboard vehicle diagnostic test. If this condition were to occur, the Malfunction Indicator Lamp (Check Engine Light) will illuminate, and a diagnostic trouble code will set. Additionally in some cases, the engine cooling fans may run after the engine is switched off. Dealers are to replace the engine coolant control valve as necessary. The repairs will be made at no charge to the customer.
Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The 2021 Escalade ESV engine failures cluster into several distinct patterns. Most serious are complete, unwarned power losses at highway speeds (50–70 mph)—engine shuts down, vehicle goes into neutral, and won't restart. Owners have lost power while towing, carrying families, and in heavy traffic. No check engine light in many cases until afterward.
Lifter failures dominate early complaints: severe metal-on-metal clanking and rough idle beginning around 3,000–11,000 miles. GM acknowledged a bad shipment of lifters; dealers sometimes replaced only half the damaged units. Rough idle and RPM surges persisted even after "repairs."
Internal piston and connecting-rod failure occurs across the mileage spectrum—one owner's seizure caused engine to lock completely while towing. Another replacement engine failed again at 43,000 miles after being replaced at 33,000.
Oil consumption runs abnormally high; owners refill every 500–2,000 miles with no external leaks. Smoke appears when opening the cap. Even after recall inspection and oil-change protocol, one owner reported ongoing internal loss.
Electrical gremlins plague some units: multiple warning lights, loss of power steering, transmission stuck in low gear—all triggered only at idle or low speed, resolving after restart. Dealers cannot diagnose root cause.
Replacement engines are backordered for months. Many owners receive remanufactured units instead of new ones. Some owners' VINs fall outside recall scope despite identical failures. Dealership repair times stretch to three-plus months with no loaner support.
Same Cadillac Escalade ESV engine reports on nearby years: 2019 · 2020 · 2022 · 2023 · 2024
Failure modes owners describe
Lifter Failure and Engine Knock
Broken or defective valve lifters causing severe engine knocking, metal-on-metal clanging sounds, and rough idling. Multiple owners reported hearing what sounded like metal hammers clanking or loud ticking from the engine. GM was reported to have received bad shipments of lifters. In some cases, dealers only partially replaced lifters despite ongoing symptoms.
When: Ranging from 3,000 to 96,000 miles; early failures within first year of ownership
Symptoms owners cite: Severe engine knock or ticking sounds; Metal clanging or hammering noise from engine; Rough idle with RPM fluctuations; Power surges at idle and while driving; Check engine light illuminated
Repairs/costs cited: Engine rebuild or full engine replacement required; dealers were reported to have authorized only partial lifter replacement; parts backordered for extended periods (months)
Recalls/TSBs owners mention: GM acknowledged bad shipment of lifters; dealers performed partial replacements; extended repair times due to parts unavailability
Catastrophic Complete Engine Failure
Engine suddenly loses all power and shuts down completely while driving, with no warning lights or prior symptoms in many cases. Vehicle becomes unresponsive and must be towed. Multiple instances reported at highway speeds (50–70 mph) and during normal driving. Some engines seized; others experienced internal failure of pistons, connecting rods, or crankshaft.
When: Between 15,000 and 145,000 miles; several occurring shortly after purchase
Symptoms owners cite: Sudden loss of engine power while driving; Engine shuts off without warning; Vehicle will not restart; In some cases, abnormal knocking before failure; Occasional check engine or traction control light before failure; No warning lights in many cases
Codes mentioned:25V274000 (NHTSA Campaign - Engine and Engine Cooling)
Repairs/costs cited: Full engine replacement required; replacement engines frequently backordered (3–4 months wait times); some owners received remanufactured rather than new engines; repair costs ranging from $11,000 to $20,000 out-of-pocket when warranty did not cover
Recalls/TSBs owners mention: NHTSA Campaign Number 25V274000 issued for some VINs; however, many owners reported their VINs were not included in recall despite identical failures; GM denied powertrain warranty coverage in some cases when vehicle was outside warranty period; dealers informed owners that recall parts were unavailable and could not schedule repairs
Excessive Oil Consumption
Engine consuming abnormally high amounts of oil over short periods. Owners adding oil every 500–2,000 miles despite no external leaks detected. In some cases, smoke appeared when opening oil cap. One owner reported internal oil loss continuing even after recall inspection and oil change to thicker oil.
When: Reported at 24,000 to 96,000 miles; ongoing throughout vehicle operation
Symptoms owners cite: Low engine oil warning light frequently illuminated; Oil level dropping between scheduled maintenance intervals; Smoke visible when opening oil cap; No external oil leaks detected
Codes mentioned:
Repairs/costs cited: Dealers attributed to limousine use in one case and did not resolve issue with engine replacement; recall inspection and oil change to thicker viscosity did not resolve problem for one owner
Recalls/TSBs owners mention: Recall included oil change protocol; one dealer blamed excessive oil use on limousine service; no other manufacturer interventions documented
Coolant Control Valve Failure
Engine coolant control valve malfunction causing cooling fans to run continuously and engine to lose power during acceleration. Creates safety hazard due to reduced acceleration and prolonged times to reach posted speed limits. Check engine light illuminates with code P1098.
When: Reported in early February 2026 on 2021 model; timing suggests issue across multiple model years 2021–2023
Symptoms owners cite: Check engine light with code P1098; Cooling fans running continuously; Reduced acceleration capability; Loss of power during acceleration
Repairs/costs cited: Coolant control valve replacement required; owner paid $1,387.40 for repair; costs ranged from $1,387 to covered under special coverage
Recalls/TSBs owners mention: GM issued Special Coverage Bulletin N252508341 (dated September 16, 2025) for LM2 Coolant Control Valve Replacement for 2021–2023 Cadillac Escalades; however, coverage was VIN-specific and one owner was denied coverage; GM offered only partial reimbursement ($216.06 vs. $1,387.40 paid)
Electrical System Malfunction and Loss of Power Steering
Ghost electrical issues at low speeds, idle, or startup causing multiple warning lights to illuminate simultaneously, loss of power steering, transmission stuck in lower gears, and inability to shift normally. Battery voltage fluctuates erratically. Issues resolve temporarily after restart but return intermittently. One owner described symptoms as occurring only below 10 mph or at startup when battery draw is highest.
When: Early in ownership; reported 11 weeks after purchase in one case
Symptoms owners cite: Multiple warning lights illuminating at idle or low speed; Loss of power steering; Transmission unable to shift past 2nd gear; Heater activating unexpectedly; Battery voltage meter fluctuating erratically; Issues resolve temporarily after restart; Check engine light persists
Codes mentioned:All codes reported as informational with no diagnostic value
Repairs/costs cited: Dealers unable to pinpoint cause despite multiple visits (5 visits, 9 weeks out of service in one case); owner suggested battery and wiring harness replacement but dealership declined to pursue; only one hub was authorized for replacement by manufacturer
Recalls/TSBs owners mention: Manufacturer called in software engineers but declined to authorize replacement parts other than one hub; no resolution achieved
Post-Replacement Engine Failure and Sluggish Performance
Following engine replacement (whether new or remanufactured), vehicle exhibits poor performance, sluggishness, and loud noises. One owner reported replacement engine failed again at 43,000 miles after original engine replacement at 33,000 miles. Another owner reported vehicle remaining slow and noisy after replacement, raising concerns about reliability.
When: Immediately after engine replacement and continuing thereafter
Symptoms owners cite: Vehicle sluggish and slow; Unusual noise from engine; Poor acceleration response; Additional electrical malfunctions post-repair; Air suspension problems post-repair
Codes mentioned:
Repairs/costs cited: Replacement engines frequently remanufactured rather than new; second replacement engines failing at low mileage (43,000 miles); continued poor performance despite repairs
Recalls/TSBs owners mention: No documented manufacturer response to performance issues after replacement; one owner not informed in advance that replacement would be remanufactured
Piston and Connecting Rod Failure
Internal engine components including pistons and connecting rods failing, causing engine seizure, internal knocking, and complete loss of power. In one case, 'something went wrong with pistons' causing complete engine seizure while towing.
When: Occurring at various mileages; one incident while actively towing trailer and boat
Symptoms owners cite: Abnormal knocking from engine; Sudden loss of power; Engine seizure (complete inability to turn over); Loud rattling and jerking
Codes mentioned:
Repairs/costs cited: Full engine replacement required; owner out of warranty paid $6,000+ out-of-pocket after GM offered limited 'good faith' repair credit on initial $20,000 estimate
Recalls/TSBs owners mention: GM offered limited 'good faith' repair discount when owner was just outside manufacturer warranty period; full warranty coverage denied
Synthesized from 38 NHTSA owner complaints — unverified consumer
allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting
11 most recent
engine
· filed 12/19/2022
Back in August of 2022 my 2021 Cadillac Escalade started having severe engine roughness, a check engine light, and an error saying that most of the collision safety features had been disabled. I was able to limp the vehicle into a GMC dealer who informed me that Cadillac had received a bad shipment of lifters and that one or more of the lifters had broken. When the vehicle detects an engine…
engine
· filed 12/18/2025
Since April 2025, my 2021 escalade has been losing oil quickly. No leak externally has been found. The recent recall found "no engine problems" and placed new thicker oil, but the leak continues with us losing significant amounts of oil every 500 miles. This engine remains defective, losing oil internally, and is putting 600,000 drivers+ at risk for engine failure or loss of propulsion. The…
engine · 96,000 mi
· filed 11/24/2025
The contact owns a 2021 Cadillac Escalade ESV. The contact stated that the vehicle was taken to the local service center for routine maintenance and after an oil change was performed, the vehicle was started but immediately shut off and failed to restart. The vehicle was towed to the local dealer, where it was diagnosed and determined that the engine had seized and needed to be replaced. The…
engine
· filed 10/28/2025
The connecting rod and crankshaft failed while driving on the interstate causing loss of power.
engine · 15,000 mi
· filed 10/24/2025
The contact owns a 2021 Cadillac Escalade ESV. The contact received notification of NHTSA Campaign Number: 25V274000 (Engine and Engine Cooling); however, the part to do the recall repair was not yet available. The contact stated that while driving 50 MPH on the freeway, the vehicle stalled. There was no warning light illuminated. The contact was able to pull over to the side of the road. The…
engine · 35,000 mi
· filed 10/08/2025
The contact owns a 2021 Cadillac Escalade ESV. The contact stated that while driving at various speeds, there was an abnormal ticking sound coming from the vehicle. There was no warning light illuminated. The contact stated that while driving at 25 MPH, the vehicle started to lose power with several unknown warning lights on the instrument panel. Despite the failure, the contact was able to coast…
engine
· filed 09/09/2025
My vehicle has a recall and I took it to the dealer on the 28th of June and this is the date that I still do not have my vehicle. I have a report at Cadillac to replace the engine. The dealer sends all the information to GM Cadillac to authorize the engine replacement since it has metal inside due to the recall and the vehicle is off, it does not start, nobody tells me anything. I am renting…
engine
· filed 09/07/2021
At 3,000 miles on this new car, the motor began to rattle, shake, and then heat up to 240-260 degrees when the dashboard flashed and the vehicle and lights turned off. The brakes were not powered and because I was towing a trailer at night, I nearly crashed. My wife and 5 children were in the car with me. I have since learned that there is a major problem with these new Cadillacs, but if I…
engine
· filed 09/02/2025
The contact owns a 2021 Cadillac Escalade ESV. The contact received notification of NHTSA Campaign Number: 25V274000 (Engine and Engine Cooling); however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was made aware of the issue and confirmed that parts were not yet…
engine
· filed 08/30/2025
My 2021 Cadillac Escalade ESV experienced a complete engine failure at approximately 83,000 miles. I purchased it used at around 23,552 miles. Despite having been properly maintained, the engine failed and GM denied powertrain warranty coverage, stating the warranty had expired. I was forced to pay $7,300 out-of-pocket for a full engine replacement. This was an extremely dangerous mechanical…
Had engine trouble with your 2021 Cadillac Escalade ESV?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the engine problem on the 2021 Cadillac Escalade ESV?
It's a documented issue but not catastrophic. 38 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?
Across the 8 complaints that reported odometer mileage, most engine failures cluster between 57,000 and 100,000 miles, with the median around 90,000. A quarter of owners report trouble before 57,000; a quarter make it past 100,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
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?
Yes — 1 active recall(s) cover engine issues on this vehicle. Recall fixes are always free regardless of mileage or warranty status. Use the VIN decoder at the top of the page to check if your specific vehicle is affected.
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2021/Cadillac/Escalade ESV.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.