2004 Chevrolet Impala Chevrolet Impala 2004

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2004 Chevrolet Impala repairs by problem area

Engine (30%)

Transmission and Drivetrain (8%)

Brakes and Traction Control (7%)

Suspension and Steering (17%)

Electrical and Air Conditioning (32%)

Paint, Rust, Leaks, Rattles, and Trim (2%)

Other (3%)

Chart based on 107 repairs.
See TSBs and recalls for the 2004 Chevrolet Impala.

2004 Chevrolet Impala engine repair cost distribution

$2500+ (0%)

$1000 - $2499 (10%)

$500 - $999 (10%)

$100 - $499 (37%)

< $100 (43%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

Chart based on 30 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2004 Chevrolet Impala

Engine not specified

4000 mi

US $50
unreliable as to when car starts properly, fixed with new ignition chip 

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2004 Chevrolet Impala 4dr Sedan

supercharged 240hp 3.8L V6 4-speed automatic FWD

140000 mi

US $10
heater core went out, took 6 hrs todo it key got stuck in ignition, replaced lock cylinder and ignition coolant leak, found huge crack in the reservoir wiring harness under hood had been rubbing against belt which lead to a wiring mess and nothing working properly in car 

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2004 Chevrolet Impala 4dr Sedan

200-horsepower 3.8L V6 4-speed automatic FWD

110000 mi Vehicle died in driveway, until then no symptoms, towed again to repair shop. Diagnosis, small misfire caused catalytic converter to die,cat changed, plugs and wires replaced. Ran perfectly until the fuel pressure valve died. Again replaced . 
94000 mi

US $11
The typical 3800 plastic coolant elbows were cracked & leaking, we'll one was. Dealer wanted $300, I replaced them with aluminum ones from NAPA for $11. 
162000 mi

US $600
Resonator part of the exhaust system was replaced due to hole in it which made for loud noise. 
91200 mi

US $65
Replaced factory exhaust resonator.It was separated along the top seam. The remainder of the system was still in good condition 
100000 mi

US $100
plastic elbows from water pump to heater hoses ruptured blowing coolant all over engine 
94000 mi Bad fuel injector. 
100000 mi

US $150
RESONATOR REPLACED 
131800 mi Security problem. Computer not recognizing ignition key. Could not start car. Both computers replaced at my expense by Chevy dealer. 

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2004 Chevrolet Impala 4dr Sedan

180-horsepower 3.4L V6 4-speed automatic FWD

154000 mi My husband replaced the head gasket and 1 air flow sensor. 
129000 mi

US $2100
Head gasket 
189900 mi

C $340
Exhaust fell off. Necessary to replace system from resonator all the way to the end. 
100000 mi

US $109
Taken to Parks Chevrolet in Charlotte, NC due to lengthy repairs caused by dex-cool antifreeze. The Dex-cool antifreeze turned into sludge which has eaten through and resulted in the replacement of 3 thermostats, thermal sensor, radiator,etc 
65080 mi

C $150
Water pump. At dealer would have cost 390. replaced water pump 
68200 mi

C $300
muffler 
62000 mi

US $400
Car needed new coolant hoses and a transmission flush. 
36066 mi Lower transmission cooler line slight leaking from pressed crimped metal end near rubber hose end. 
72000 mi

US $1900
replaced lower radiator hose, antifreeze flushed replaced one leaky fuel injector, upper/lower intake manifold gaskets, new serpentine belt, spark plugs and wires replaced, oil and filter changed with syn oil replaced lower radiator hose, antifreeze flushed 
65100 mi car would not start. Good bat. Dealer could not duplicate. This is intermittent. 
76000 mi Problem with Dexcool gelling, went in for flush noticed that water pump had evidence of leaking. R&R water pump and thermostat while having complete system flush to get rid of gelled dexcool. Check engine light, code leaky fuel vapor system. Diagnosed as possibly due to aftermarket locking gas cap.  
120000 mi

US $500
Metal Shavings left in one corner of the engine block erroded a large pit in the head which eventually blew through the head gasket seal, necessitating a complete Head Job. After 80K Warranty ended of course. 
206000 mi

US $30
replaced resonator.. had to modify to fit right bought at Advanced and go back because gasket didnt come with new one.. fuel pressure sensor replaced 

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2004 Chevrolet Impala Engine Problems

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2004 Chevrolet Impala problems occur, check out our car reliability stats.