🚗 AutoDefect IQ

2004 Chevrolet Avalanche 2500 problems, complaints & recalls

Most-reported problem areas: Service Brakes, Hydraulic (4) · Service Brakes, Hydraulic:antilock/Traction Control/Electronic Limited Slip (2) · Service Brakes (1)

🧭 Reliability snapshot

100 /100
✓ Typical or better for this model

Compared against other Chevrolet Avalanche 2500 model years — complaint volume vs the model's median year, recalls and severity. How we score →

10
Complaints
0
Recalls
362
Service bulletins
2
Crashes reported
0
Fires reported
0
Deaths

Safety recalls (0)

No recalls on record for this model year (campaigns announced since 2010).

Service bulletins (362)

Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.

Unknown Or Other 2025-07-18 · PIP5601C · Service Bulletin/Repair Instructions

this pi communicates the requirement to provide a pico file to receive diagnostic assistance from tac.

Engine 2024-12-18 · 03-06-01-023I · Service Bulletin/Repair Instructions

this service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.

Engine 2024-10-07 · 03-06-01-023H · Service Bulletin/Repair Instructions

this service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.

Unknown Or Other 2024-09-06 · PIT3271P · Service Bulletin/Repair Instructions

this preliminary information communication provides information to the technician about changing the tire and wheel size on vehicles. general motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. technician s

Electrical System 2024-08-26 · General Communication · Service Campaign

vehicle wide programming (vwp) is a new process to update software on gm vehicles. it provides the ability via a single selection within techline connect to first identify which modules need updating and then proceed to updating affected modules (with some exceptions). the updating of modules is com

Power Train 2024-07-24 · 24-NA-141 · Service Bulletin/Repair Instructions

gm is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. the damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. this bulletin advises the dealers to be more careful not to damage the transmissions durin

Showing the 6 most recent of 362 bulletins. Search all of them free at nhtsa.gov.

What owners report

2015-11-26 · Service Brakes · 68,000 mi

“brake line failure. i was approaching a stop sign and applied the brakes. the pedal went to the floor and the abs activated and i was not slowing. there was no cross traffic so i luckily avoided an accident. the brake line failed due to rust. braking ability with only the rear brakes active was virtually nonexistent and there was no warnings o…”

2015-09-24 · Unknown Or Other · 240,000 mi

“while driving down the road with the a/c on suddenly the drivers side starts blowing hot air while the passenger side is still blowing cold air. if i put the avalanche into neutral turn off the engine and re start the engine it will suddenly start blowing cold air again - it is happening quite a bit more frequently and i have read on some avalanch…”

2010-05-23 · Service Brakes, Hydraulic · 49,999 mi

“information redacted pursuant to the freedom of information act (foia), 5 u.s.c. 552(b)(6) brake failure chevrolet avalanche 2500 vin [xxx] , model year 2004 due to corrosion as described by grossman chevrolet service manager brent turchi ( rotted and leaking brake line ) - owner [xxx] brake pedal went all the way to the floor - mr. turchi advi…”

2010-02-08 · Service Brakes, Hydraulic · 15,800 mi · 💥 crash

“i filed a complaint last week, and read what was written today. the info that was put in your system is incorrect, the odi number is 10305220 the vechice does not stop short, it takes alot longer to stop, as the brakes fail during anti lock failures also, the vehicle was involved in an accident do to not stopping properly.…”

2010-02-04 · Service Brakes, Hydraulic:antilock/Traction Control/Electronic Limited Slip · 15,800 mi · 💥 crash

“tl*the contact owns a 2004 chevrolet avalanche 2500. the contact stated the anti lock brakes goes off when the surface is dry. vehicle is stopping short before it should stop. the vehicle was taken to the dealer and stated there is a problem with the brakes but it is not covered under any recalls and contact has to pay for the expense. the failure …”

2010-01-21 · Service Brakes, Hydraulic:antilock/Traction Control/Electronic Limited Slip · 15,800 mi

“when coming to a stop on clean dry pavement, the anti-lock brakes begin pulsating, tripling your stopping distance. *tr…”

2009-10-09 · Service Brakes, Hydraulic · 61,500 mi

“antilock brakes are engaging during stops on dry roads. causing vehicle to pull to the right. *tr…”

2008-06-03 · Service Brakes, Hydraulic · 8,000 mi

“poor breaking at 8500 miles. dealer turned front rotors. poor breaking again at 9500 miles, dealer replaced rear pads and rotors. breaking almost caused serious accident, as stopping distance was about 3 times normal. gm would not cover 2nd repair. front pads were still good, and truck driven gently about 200 miles per month. i believe inferior st…”

2008-01-15 · Fuel System, Gasoline · 49,870 mi

“i have a 2500 avalanche. main fuel tank or lines are leaking. this is a 2004. *tr…”

2007-07-10 · Electrical System: Instrument Cluster/Panel · 30,842 mi

“speedo at 60 miles per hour when stopped. increases from there when moving. can not tell correct speed. appears to be a common problem with 03 to 06 chevy vehicles. warranty up on vehicle due to age not miles. dealer says cost is over $500. *tr…”

Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.

Other Chevrolet Avalanche 2500 years