2003 Chevrolet Impala / Monte Carlo Chevrolet Impala / Monte Carlo 2003

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2003 Chevrolet Impala / Monte Carlo repairs by problem area

Engine (48%)

Transmission and Drivetrain (5%)

Brakes and Traction Control (5%)

Suspension and Steering (22%)

Electrical and Air Conditioning (19%)

Paint, Rust, Leaks, Rattles, and Trim (0%)

Other (2%)

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Chart based on 64 repairs.
See TSBs and recalls for the 2003 Chevrolet Impala / Monte Carlo.

2003 Chevrolet Impala / Monte Carlo repair cost distribution

$2500+ (0%)

$1000 - $2499 (4%)

$500 - $999 (11%)

$100 - $499 (49%)

< $100 (37%)

Chart based on 57 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
Non-members can see only ten 2003 Chevrolet Impala / Monte Carlo repair histories. Log in or join us to see them all.

2003 Chevrolet Impala 4dr Sedan

200-horsepower 3.8L V6 4-speed automatic FWD

Chevrolet Impala in Colorado, United States
Aug 2013 - Nov 2014
Aug 2013

91000 mi

US $583
Coolant leak - intake manifold gasket replaced Front strut assembly worn - new front struts installed. 
Sep 2013

92000 mi

US $475
Ignition, but car would not start. Mass air flow sensor had failed and was replaced. 
Nov 2013

93000 mi
Steering whine: Coolant level was low. Refilled coolant, steering rack has a leak.  
Mar 2014

96000 mi

US $450
Difficulty starting and power loss while driving. Ignition switch was faulty and replaced. 
Nov 2014

102000 mi
Update: steering leak never reappeared. 
Chevrolet Impala in Ontario, Canada
Aug 2008 - Sep 2010
May 2008

64195 mi

C $244
Horn was going off when starting the car. The BCM was found to be at fault, but replacement was expensive. A less costly fix was made to disable the wire from the BCM to the horn relay, making the horn inoperative except from the steering wheel. 
Nov 2008

70937 mi

C $619
ABS sensor in left front hub assembly was shorting out causing the ABS warning light to stay on and the traction control to engage at times for no reason. Replaced the hub assembly. 
Dec 2008

71873 mi
Fuel filter changed and fuel injectors cleaned. Catalytic convertor replaced under warranty. It was likely fouled due to other contributing problems and set the check engine light on. 
Sep 2010

85560 mi

C $460
Replacement of several small light bulbs inside dash components, including radio, HVAC controls and steering wheel cruise control. 
Chevrolet Impala in North Carolina, United States
Jun 2014 - Jan 2015
Dec 2014

129000 mi

US $250
Leak in cooling system, replaced hoses, reservoir. 
Jan 2015 ignition switch recall - affecting AC / fan power as well 
Chevrolet Impala in Ontario, Canada
Sep 2014 - Sep 2017
Feb 2016

71080 mi

C $365
Hazard light switch replaced because turn signals working intermittently. 
Mar 2016

71300 mi

C $325
Section of stainless steel exhaust system replaced. First repair to this system. 
Chevrolet Impala in New York, United States
- Oct 2007
Oct 2007

112000 mi

US $150
REPLACE PLUGGED CATALYTIC CONVERTER 
Chevrolet Impala in New York, United States
Nov 2012 - Sep 2013
Sep 2013

108000 mi
Transmission cracked. Car had to be put down by horse veteranarian. 
Chevrolet Impala in Indiana, United States
Feb 2013 - Mar 2013
Mar 2013

133000 mi

US $85
headlights, driving lights, and no brights, battery drained overnight. 
Chevrolet Impala in Florida, United States
Aug 2010 - Jun 2011
Sep 2010

113000 mi

US $2299
I noticed that my car was not accelerating as I wanted it to or it was doing a "catch up" ocassionally when I hit the gas. The jolt with the "catch up" sometimes felt like I was being hit from behind. 
Chevrolet Impala in Ontario, Canada
Apr 2011 - Jan 2017
Apr 2012

158720 mi

C $95
Loose wheel bearing. Replaced hub. 
Aug 2012

165580 mi

C $120
Getting harder to start and battery would not hold charge, even after being on a charger overnight. 
Mar 2015

199020 mi

C $75
Replaced cable for front right ABS sensor. 
Sep 2015

204600 mi

C $35
The engine cooling overheat warning came on & steam came out from under the hood. Turns out the block heater element had popped out & all of the coolant was lost. The retention bar had corroded away. Replace with a new element & coolant. 
May 2016

210660 mi

C $180
Loud noise coming from front, increasing with speed. Replaced both front hubs (one was a lot worse than the other but decided to do both just in case). Driver's window would be reluctant to go back up. Had to fiddle with it to get it moving. Replaced driver's window switch. 
Chevrolet Impala in Wisconsin, United States
Sep 2010 - Jan 2017
Dec 2010

134000 mi

US $50
Catalytic converter replaced 
Mar 2013

162000 mi

US $200
Intake manifold gaskets Valve cover gaskets 
Nov 2015

195000 mi

US $100
Ignition module, plug wires and coil replaced. 
Dec 2016

209000 mi

US $150
Replaced wheel bearing/sensor and cable. 
Jan 2017

211000 mi

US $50
Replaced abs cable 
Chevrolet Impala in Illinois, United States
Apr 2012 - Jun 2017
May 2014

87000 mi

US $200
Worn tie rod. Replaced Aligned 
Dec 2014

89000 mi

US $185
Would not hold charge 
May 2015

91000 mi

US $300
Check engine light 
Jun 2016

95000 mi

US $131
Evaporative purge valve 

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2003 Chevrolet Impala 4dr Sedan

180-horsepower 3.4L V6 4-speed automatic FWD

Chevrolet Impala in California, United States
May 2014 - Jun 2017
Jun 2014

112000 mi

US $550
Both front wheel bearings were replaced for the second time. First replacement occurred at approximately 65,000 miles. 
Jan 2017

133300 mi

US $40
Dash lights no longer function at night. Mechanic suspects BCU. Diagnosis and repair costs estimated at $700-$1000. Repair will require that deal re-program unit. Repairs deferred to future. Owner paid for diagnosis only. 
Jun 2017

148000 mi

US $90
Took car to mechanic for cooling system diagnosis. Mechanic found leak at timing cover gasket. Repair estimated at $1450 (14 hours labor at $90 an hour). 
Chevrolet Impala in Pennsylvania, United States
Aug 2009 - Jun 2012
May 2009

55200 mi

US $100
a/c charge not blowing cold 
Chevrolet Impala in Massachusetts, United States
Jan 2014 - Jun 2017
Nov 2015

93000 mi

US $600
Front stabilizer bar was broken in half 
Dec 2015

95000 mi

US $85
Windshield wipers out of sync, arms colliding and moving outside of glass area. 
Jan 2016

106300 mi

US $187
Oil sending switch leaking, replaced while car was in for oil change 
Apr 2017

111823 mi

US $770
Exhaust leak (loud) required replacement of resonator, muffler and center pipe.  Also replaced serpentine belt and the right headlight bulb. 
Jun 2017

114695 mi

US $370
At 30mph rear of car was shaking dangerously. Rear lateral bar was replaced on right rear wheel. 
Chevrolet Impala in Indiana, United States
Oct 2013 - Apr 2017
Dec 2014

98000 mi

US $300
During routine oil change, broken stabilizer link was found and replaced on driver's side front tire. 
May 2015

99000 mi

US $40
AC was blowing air but not cooling. Mechanic determined the system needed recharged. First time this has ever been done in the 12 years I've owned the car. AC is nice and cold now. 
Nov 2015

99000 mi

US $300
Car wouldn't start - assumed it was 6 yr old battery. Battery WAS dead, but starter also needed replaced. 
Chevrolet Impala in Minnesota, United States
Sep 2013 - Dec 2013
Dec 2013

166000 mi

US $18
Replaced fuel injector o-rings 
Chevrolet Impala in Virginia, United States
Jun 2013 - Jul 2013
Jul 2013

189000 mi

US $243
Replace the the cat.converter 
Chevrolet Impala in Florida, United States
Jun 2013 - Apr 2017
Jan 2015

206000 mi

US $600
Wheel bearings on both front wheels needed replacing. The left had much more wear than the right. 
Mar 2016

215000 mi
Leaking valve cover 
Jul 2016

217500 mi
Leaking front-wheel axles 
Chevrolet Impala in New York, United States
Aug 2010 - Aug 2012
Sep 2010

133000 mi

US $2225
Purchased car with CEL on, would not pass NYS inspection. Replaced 2 O2 sensors, plugs/wires.  Replaced Catalytic Converter. Also repaired coolant leak caused by intake manifold and hoses. New thermostat, fuel filter, oil change, new tires. 
Oct 2011

143200 mi

US $490
Observed coolant under hood and coolant loss. Shop found water pump was leaking. Heard metallic squeaking sound from wheel when turning right, went away then eventually became constant hum at highway speeds. Shop found failed driver side front wheel bearing. 
Feb 2012

144900 mi

US $450
Hole in exhaust pipe after catalytic converter, exhaust very loud. Entire exhaust system after cat replaced. Check engine light (MIL) on. Shop replaced catalytic converter under part warranty and reset computer, MIL has remained off. No parts or labor charge for this repair. 
May 2012

146200 mi

US $55
Weld in exhaust system broke, muffler totally disconnected and pipe hanging down, shop fixed under warranty. Fuel filter seeping, shop would not perform welding without first replacing filter. 

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2003 Chevrolet Impala / Monte Carlo

Engine not specified

Chevrolet Impala in Maine, United States
Mar 2012 - Mar 2013
Dec 2012

234000 mi

US $90
Had previously had bearings replaced 2 times previously, but they only lasted 10k on average. Replaced with name-brand, American made bearings, and all is right with the world. 
Chevrolet Impala in Alabama, United States
May 2012 - Jun 2012
Jun 2012

210000 mi

US $175
I could not pass a obd test so they said it was my egr system 

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2003 Chevrolet Impala / Monte Carlo 4-door

4-cylinder automatic 2WD

Chevrolet Impala in Massachusetts, United States
Aug 2010 - Sep 2011
Sep 2010

35000 mi

US $126
Replaced canister purge solenoid. Was also told steering column flex coupling (intermediate shaft) should be replaced. 
Nov 2010

35600 mi

US $250
Had another sensor replaced. Check engine came on again after 2 days. Had another sensor replaced. Do not have paperwork with me but it had something to do with gas. Check engine light has not come on since. 

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2003 Chevrolet Impala / Monte Carlo Repair Histories

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 2003 Chevrolet Impala / Monte Carlo problems occur, check out our car reliability stats.