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Chevrolet Avalanche repairs by problem area
Engine (27%)
Transmission and Drivetrain (12%)
Brakes and Traction Control (7%)
Suspension and Steering (17%)
Electrical and Air Conditioning (27%)
Paint, Rust, Leaks, Rattles, and Trim (6%)
Other (4%)
Chart based on 439 repairs.
Chevrolet Avalanche engine repair cost distribution
$2500+ (3%)
$1000 - $2499 (14%)
$500 - $999 (14%)
$100 - $499 (41%)
< $100 (29%)
Chart based on 110 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2013 Chevrolet Avalanche 4dr SUT
320-horsepower 5.3L V8 6-speed shiftable automatic 4WD w/low range
| 80200 mi US $250 |
Emissions code for Evap canister and vent valve. |
| 84000 mi US $500 |
Replaced evap canister, purge valve and solenoid. |
| 135000 mi US $3169 |
Repair of broken spark plug with stripped threads. Replaced worn rocker arm and pushrod. Replaced 4 O2 sensors. Required another repair to replace with OEM parts. |
| 137000 mi US $897 |
Replaced four new aftermarket O2 sensors with OEM |
| 37700 mi | Engine started misfiring significantly, check engine light came on. Dealer was able to determine that one spark plug and one spark plug wire had gone bad and needed to be replaced on cylinder#3. |
| 105263 mi | Check engine light was on.P0523 Oil pressure sender high voltage. Internal failure within oil pressure sender. followed document ID#271523 removed and replaced oil pressure sender. |
| 106720 mi US $240 |
Check engine light came on and was running rough at highway speed when AFM kicks down. Code P0455 Large Evap leak Mechanic could not replicate AFM issue Replaced vent valve |
| 107215 mi US $1258 |
Check engine light on and running very rough. Code P01513 also found minor oil fouling on spark plugs. Fuel induction cleaning service with Ethan defense includes pn 6592,4068,29 Max engine performance service Also reported steering groan at every repair/service since March 2021 and mechanic has been unable to replicate. (forgot to add that note to earlier repair reports) |
| 152520 mi C $150 |
Radiator sweating from upper right corner of core Replaced assy |
2011 Chevrolet Avalanche
Engine not specified
| 41000 mi | there has been continuous problems with the check engine light since 16000 miles. The dealer kept telling me is was "bad fuel" then a "bad spark plug" they engine needed to be rebuilt then replaced and then the check engine light came on |
2011 Chevrolet Avalanche 4dr SUT
320-horsepower 5.3L V8 6-speed shiftable automatic 4WD w/low range
| 55180 mi | Valve replacement due to oil pressure issues. |
| 53000 mi US $300 |
Broken, misfiring spark plug. Coil-to-plug wires also replaced as was a broken engine mount. |
2009 Chevrolet Avalanche 4dr SUT
310-horsepower 5.3L V8 6-speed shiftable automatic 4WD w/low range
| 81700 mi US $400 |
Valve Tapping was loud, So GM replaced the lifters |
2008 Chevrolet Avalanche 4dr SUT
366-horsepower 6.0L V8 4-speed automatic 4WD w/low range
| 35000 mi | No oil pressure. Something was clogged near the oil pan. Dealer suggested a 30000 mile 4 wheel drive inspection as well. Probably should have skipped that part! Check engine light was on. Something to do with EVAP code and gas cap needed replacing. |
| 79900 mi US $543 |
Oil pressure sensor needed replacing. |
2008 Chevrolet Avalanche 4dr SUT
320-horsepower 5.3L V8 4-speed automatic RWD
| 21000 mi | Oil filter adapter was leaking. |
2008 Chevrolet Avalanche 4dr SUT
320-horsepower 5.3L V8 4-speed automatic 4WD w/low range
| 68400 mi | Replaced 1 spark plug. |
| 43000 mi US $350 |
Oxygen sensor replaced. |
| 71000 mi US $2200 |
Oil pump failed, coolant pump failed, various sensors failed and replaced. |
| 72900 mi US $550 |
Serpentine belt worn/frayed -- replaced. |
| 44640 mi | faulty fuel pump replaced |
2007 Chevrolet Avalanche 4dr SUT
366-horsepower 6.0L V8 4-speed automatic 4WD w/low range
| 122000 mi US $231 |
Engine Mount Driver's Side. Second Replacement. |
2007 Chevrolet Avalanche 4dr SUT
320-horsepower 5.3L V8 4-speed automatic RWD
| 139000 mi US $1300 |
Several emissions sensors had to be replaced. |
| 182000 mi US $2400 |
replaced motor mounts |
| 316000 mi US $800 |
replaced heater hose |
2007 Chevrolet Avalanche 4dr SUT
320-horsepower 5.3L V8 4-speed automatic 4WD w/low range
| 66960 mi C $650 |
Mass air flow sensor failure. |
| 85000 mi US $250 |
Oil pressure dropped to 0. Had vehicle towed to dealer, they found the screen/filter for the oil pressure sensor was clogged and needed to be replaced. Replaced screen and changed oil and filter. |
| 46000 mi | Evaporator solenoid near fuel tank was stuck open. New part installed. New part was modified by GM to prevent the problem from recurring. |
| 78000 mi US $350 |
Oil burning issue. Replaced drivers side valve cover with updated part that moves PCV intake. |
| 5000 mi | Software update for Burning E85 Fuel. |
| 14000 mi | Hard starting when engine is hot. Told it may be caused by running e85. After a month of running regular gas the problem has not gone away. |
| 14000 mi | There was a problem with leaking fuel injectors that caused to fuel pressure to drop to rapidly. All eight fuel injectors were replaced. |
| 21000 mi | Engine main seal was leaking. Dealer fixed under factory warranty |
| 94000 mi US $575 |
Check engine light came on, cracked |
| 58000 mi US $200 |
Emissions sensor failed |
| 35340 mi C $2200 |
Oil pressure pump crapped out. Replaced. |
| 36580 mi C $100 |
Check engine, reduced power,check traction control during cold weather start.no trouble found |
| 98000 mi | Replaced hub bearing on front left wheel (under warranty). |
| 99800 mi | Replaced hub bearing on right front wheel (under warranty). |
| 101000 mi US $279 |
Evap solenoid replaced |
| 159500 mi | Cleaned EGR Valve. |
| 54200 mi US $160 |
Check engine light came on while driving home and oil pressure gauge went to zero. Mechanic told me to replace oil pressure sending unit. I did so and it made no difference. Did oil/filter change and all is well again. Check engine light came on along with dash text, engine misfire, & rough transmission shift. Replaced all 8 spark plugs, wires, and ignition coil on cylinder 7. Made no difference. In local repair shop now with no compression on cylinder 7. |
| 55000 mi US $1703 |
Dealer replaced main camshaft along with intake and exhaust lifters on all 8 cylinders. Vehicle was out of manufacturer's warranty so dealer was willing to use mileage as a percentage instead. So i paid 55% of the bill and GM paid 45% |
| 98000 mi | Had to replace the Evaporative Emission Control System Vent Valve/Solenoid for second time in two years. I did the work myself to save money and it wasn't too hard, just time consuming. Originally replaced it in December of 2015. It was throwing error code P0449. |
| 136000 mi US $370 |
oil sensor, filter screen (2 hrs labor + parts) manifold bolts broken (3) Oil pan gasket, screen leaking |
| 62000 mi C $400 |
Fuel pump failure. Pump replaced AFM/DOD turned off due to excessive oil consumption |
| 131000 mi US $3000 |
Active Fuel Management is known to kill lifters and rockers. Lost cylinder 3 hrs from home. Barely got to local shop. 1 week and $3k later I tuned out the AFM and it's run well. |
| 144500 mi US $300 |
Truck running rough and throwing few codes. Turned out to be old dirty throttle body they recommended replacing. In and out in a day. |
| 114700 mi C $450 |
fuel tank vent purge valve |
| 121600 mi C $150 |
replaced O2 sensor Left side rear repaired wire to L/REAR O2 sensor |
| 123380 mi C $200 |
oil pressure sender failed to full oil pressure |
2006 Chevrolet Avalanche 4dr SUT
295-horsepower 5.3L V8 4-speed automatic 4WD w/low range
| 2569 mi | Fuel Light |
| 114000 mi US $250 |
Throttle position sensor was not working. Avalanche had no power after starting. |
| 121000 mi US $350 |
Fix oil pan leak |
| 130000 mi US $60 |
Sensor out |
2005 Chevrolet Avalanche
Engine not specified
| 185000 mi US $1100 |
Seal in tube that supplies oil to the lifters failed. Caused knocking and low oil pressure. Fairly extensive repair, but once seal was replaced oil supply improved and pressure returned to normal. |
2005 Chevrolet Avalanche 4dr SUT
295-horsepower 5.3L V8 4-speed automatic 4WD w/low range
| 13000 mi | Oil leaking from engine, leaving small puddle in garage. They had to order a oil drain pan, said they had a bulletin on it to repair. The first trip to the shop, the poured die into the engine to locate the leak, so outcome of 1st trip was wait and see. |
| 67000 mi US $80 |
Fuel system |
| 75300 mi US $75 |
Idler or tension wheel was squealing. Replaced both because I could not tell which it was. |
| 87100 mi US $250 |
Oil pressure gauge started going all the way into the max reading and would stay at half when the engine was shut off. Replaced gauge cluster. |
2004 Chevrolet Avalanche 4dr SUT
295-horsepower 5.3L V8 4-speed automatic RWD
| 68000 mi US $160 |
Mass air flow sensor replaced by owner. |
| 78000 mi US $340 |
Replaced water pump it was leaking and the v-belt it was minor cracks, replaced fan clutch was getting weak but replaced it to avoid future problems, and replace engine filter, with a k&n filter. |
| 126000 mi US $500 |
Engine light came up, Knock Sensor were failing. Replaced with OEM, and changed knock sensor wiring, as well with spark plugs. Cleaned throttle body, changed anti-freezer. |
| 127000 mi US $400 |
Muffler heat sink making noise, Repair the muffler by welding the heat sink back to the muffler. |
| 64000 mi | Pinkish colored fluid leaking under the vehicle - inspection found loose engine oil drain plub |
2004 Chevrolet Avalanche 4dr SUT
295-horsepower 5.3L V8 4-speed automatic 4WD w/low range
| 157000 mi US $300 |
Water pump went bad |
| 38000 mi | Warning about servicing 4wd when sold. Looked on internet, seems other people had this error when nothing was really wrong. |
| 50000 mi US $100 |
Gas tank rusted & leaking |
| 60000 mi US $1200 |
water pump leaking coolant |
| 122760 mi C $150 |
Changed mass air flow sensor and two emissions vacuum solenoids. |
| 100000 mi US $900 |
Poor starting due to faulty fuel pump. Fuel pump replaced. |
| 132000 mi US $2200 |
Water pump |
| 105000 mi US $1100 |
Replace oxygen sensor. |
| 57700 mi US $175 |
fuel pump replaces... only 45k on the old one? |
| 51460 mi C $150 |
Replacement O2 sensor in exhaust system. |
| 68200 mi C $1100 |
New Catalytic converter by dealership to get the check engine light to keep from coming on repeatedly. |
| 88660 mi C $150 |
Replacement fuel injector needed |
| 120900 mi C $300 |
engine light went on. Found out that the throttle sensor is indicating the throttle is at 20% even before truck ignition is turned. |
| 126480 mi | Never replaced throttle sensor. CEL would go off after three cycles, then come back on as soon as hit 80 kmh. |
| 95000 mi US $800 |
Had a leak in the water pump. Had water pump and hoses replaced. Also replaced serpentine belt, tensioner, pulleys, and bearings at that time. |
| 99000 mi US $879 |
Replace vent vapor cannister, valve & solenoid, |
| 103000 mi US $10 |
Reset Check Engine Light. "Evaporative System" |
2003 Chevrolet Avalanche 4dr SUT
285-horsepower 5.3L V8 4-speed automatic RWD
| 300000 mi US $800 |
Low fuel pressure at cold start due to failing fuel pressure regulator. |
| 308000 mi | The cam bearings in the heads were worn out. |
2003 Chevrolet Avalanche 4dr SUT
285-horsepower 5.3L V8 4-speed automatic 4WD w/low range
| 100000 mi US $375 |
Replaced some sensors, and added a new g-force chip to improve gas milage and proformance. |
| 121000 mi US $700 |
Replace radiator, water pump, thermostat, drive belts, battery. |
| 59000 mi US $257 |
The EVAP vent solenoid was replaced - there is a TSB 04-06-04-055A that applies I extensively use the vehicle offroading for pleasure |
| 80000 mi | Loose ground on engine block. Four cents for new terminal ring. Would go into Limp mode with code coming up as the throttle position sensor bad when going over bumps while turning left. Also had issues with a no start condition, headlights would stay on. |
| 86800 mi US $150 |
replace ignition switch for intermittent low voltage to aux systems (4WD) Replaced crank position sensor for loss of ignition with no warning (MIL) lights or codes also relaced Right front wheel rotation sensor |
| 99000 mi US $25 |
Loss of primary electrical power bus to ignition switch. Extreme cold caused intermittent problem to reoccur having plagued me in 2011. A completely separate power bus was installed to supplant original source. |
| 106000 mi US $110 |
Fuel pump failed, ordered replacement part on line. removed back seat and carpet, cut hole in floor above fuel pump and replaced same upon receipt of parts. |
| 132500 mi C $950 |
Front crank case oil seal replaced |
| 140760 mi C $2500 |
Truck would not idle when initially started in cold weather. The intake manifold gasket was leaking causing the engine to run lean. As a result the spark plugs had to be replaced as well. |
| 23000 mi | Fuel pump, replaced under warranty |
| 84000 mi US $100 |
replaced injectors, fuel pump and plug wires, under extended warranty. |
2002 Chevrolet Avalanche
Engine not specified
| 173000 mi US $180 |
FUEL PUMP REPLACEMENT |
2002 Chevrolet Avalanche 4dr SUT
285-horsepower 5.3L V8 4-speed automatic RWD
| 101000 mi US $180 |
Was drivibng car and engine stopped and could not start. Fuel pump failure. Replaced fuel pump and filter. |
| 120000 mi US $385 |
water pump and fan belt replaced |
| 152000 mi US $325 |
replaced fuel pump |
2002 Chevrolet Avalanche 4dr SUT
285-horsepower 5.3L V8 4-speed automatic 4WD w/low range
| 153000 mi US $350 |
replace freon belt and tensioner |
| 163300 mi US $700 |
radiator replaced |
| 120000 mi US $1050 |
Catalytic converter was making a rattling or clanking noise. It couldn't be fixed as it was inside. It had to be replaced. |
| 53000 mi US $2100 |
Total brake replacement & catalytic converter replacement |
| 227000 mi US $1900 |
Fuel pump replaced Remove and replace oil pan gasket Remove and replace leaking water pump |
2002 Chevrolet Avalanche 4-door
8-cylinder automatic 4WD
| 186000 mi US $400 |
REPLACE EXHAUST MANIFOLD GASKETS |
See TrueDelta's information for all SUTs
See TrueDelta's information for all Chevrolet models.
