The cable harness in question runs from the fuse box under hood through firewall to the passenger side foot area. At this point it connects to another harness that connects to various items at the rear of the vehicle. One circuit in particular the rear window defogger is burning wiring and socket and plug of the two wiring harness. Either the wiring or connectors burned apart without the circuit fuse blowing. The circuit has a 40amp fuse. The wiring harness for this circuit is 12 Garage. I can't find any manufacturer who recommends using 12 gauge wire on a 40 Amp circuit. This isn't even close to being correct. This is so agreegessly out of specification it would appear GM knew they had an issue with the circuit and fixed it By over fusing the circuit. This same issue on multiple models over several years.
The worst 2007 Chevrolet Monte Carlo problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Electrical17
- Transmission12
- Steering7
- Airbags4
- Acceleration2
- Engine2
- Lights2
- Seats2
- Suspension2
- Body1
- Fuel system1
- Visibility1
Specific symptoms reported on the 2007 Chevrolet Monte Carlo
Recalls 1
Electrical system: ignition
- What is wrong
- This defect can affect the safe operation of the airbag system. Until this recall is performed, customers should remove all items from their key rings, leaving only the ignition key. The key fob (if applicable), should also be removed from the key ring. General Motors LLC (GM) is recalling certain model year 2005-2009 Buick LaCrosse, 2006-2011 Buick Lucerne, 2000-2005 Cadillac DeVille, 2006-2011 Cadillac DTS, 2006-2014 Chevrolet Impala, and 2006-2007 Chevrolet Monte Carlo vehicles. In the affected vehicles, the weight on the key ring and road conditions or some other jarring event may cause the ignition switch to move out of the run position, turning off the engine.
- Risk
- If the key is not in the run position, the air bags may not deploy if the vehicle is involved in a crash, increasing the risk of injury. Additionally, a key knocked out of the run position will cause loss of engine power, power steering, and power braking, increasing the risk of a vehicle crash.
- Remedy
- GM will notify owners, and dealers will install two key rings and an insert in the key slot or a cover over the key head on all ignition keys, free of charge. The recall began on September 23, 2014. Owners may contact General Motors customer service at 1‑800‑521‑7300 (Buick), 1‑800‑458‑8006 (Cadillac), and 1‑800‑222‑1020 (Chevrolet). GM's number for this recall is 14299.
Recall number 14V355000 · Recall details
Technical service bulletins for the 2007 Chevrolet Monte Carlo 854
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Unknown or other
- Unknown or other
- This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
- Unknown or other
- Unknown or other
- Unknown or other
- Electrical system
- This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline...
- This service bulletin provides information on some vehicles that may rock or move slightly forward or...
- Unknown or other
2007 Chevrolet Monte Carlo fuel economy
Official EPA estimates in miles per gallon (MPGe for electric). Ranges cover trims that share the same engine.
| Engine | Drive | City | Highway | Combined |
|---|---|---|---|---|
| 3.5L 6‑cyl | FWD | 19 | 28-29 | 22 |
| 5.3L 8‑cyl | FWD | 16 | 24 | 19 |
What 2007 Chevrolet Monte Carlo owners say
Most recent owner complaints, unedited.
I am having issues with my engine unintentionally turning off because of my ignition key and I sent it to the shop for recall repair but they said they didn’t have the part and couldn’t find it because it’s not available.
The contact owns a 2007 Chevrolet Monte Carlo. The contact stated the transmission became inoperable. The vehicle was taken twice to the local dealer where it was diagnosed that the transmission needed to be repaired or replaced. The vehicle was repaired. The manufacturer was contacted but no additional assistance was provided. The approximate failure mileage was 118,000. The VIN was not available.
Airbag opened while parked in a parking lot. Vehicle as stationary.
While driving vehicle lost of steering happens then comes back. Almost causing accident especially while driving around turns.
Transmission skips gears from a stop to go acceleration. Took my vehicle to a chevrolet ase certified repair facility to have checked. The clutch plate was melted along with some planetary bearings destroyed. The repair bill came to 1,800.00 $. Now the vehicle is showing signs of a recurring slippage problem only after 2 months since it was repaired and used parts replaced. Why isn't there a recall for this issue? My 2007 chevrolet monte carlo ss less than 72,000 miles on it.
Tl* the contact owns a 2007 chevrolet monte carlo. While starting the vehicle, the key remained stuck in the ignition switch. Once the key was removed, the igniton did not cut off. In addition, the front of the vehicle was leaking oil. The failure recurred numerous times. The vehicle was taken to a dealer where it was diagnosed that the ignition switch needed to be replaced and the oil leakage was undetermined. The vehicle was not repaired. The VIN was not included in the federal safety agency campaign number: 14v355000 (electrical system). The manufacturer was notified of the failure. The approximate failure mileage was 160,000.
When I attempt to turn off my vehicle, the key will not rotate to the off position..therefore, the key is stuck in the ignition and the car is still on, draining the battery. I took the car to a dealership in 2013 and told nothing was wrong with it but they charged me $165.00 to put in a new ignition. The problem was intermittent until december 2014 and now the key is permanently stuck in the ignition and if I want to drive my car, I have to charge the battery every time I drive it. Gm just recalled the cobalt and hhr for the same issue. Why not expand the recall to include all gm products with this issue.
Tl* the contact owns a 2007 chevrolet monte carlo. The contact received notification of the federal safety agency campaign number: 14v355000 (electrical system) however, the VIN was not included. The contact stated that the key became difficult to remove from the ignition and the transmission failed intermittently. The contact mentioned that the battery needed to be replaced every year. The vehicle was taken to the dealer for diagnostic testing but was not diagnosed or repaired. The manufacturer was not notified of the failure. The approximate failure mileage was unknown.
Tl* the contact owns a 2007 chevrolet monte carlo. The contact received a notification of the federal safety agency campaign number: 14v355000 (electrical system) however, the part to do the repair was unavailable. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The contact had not experienced a failure.
Compare the 2007 Chevrolet Monte Carlo
Other model years
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Questions about the 2007 Chevrolet Monte Carlo
Is the 2007 Chevrolet Monte Carlo reliable?
Owners have filed 42 complaints about the 2007 Chevrolet Monte Carlo, fewer than a typical Monte Carlo model year.
What is the 2007 Chevrolet Monte Carlo year score?
The 2007 Chevrolet Monte Carlo scores 85 out of 100 (good). The score compares it with the other model years of the Chevrolet Monte Carlo: 75 is a typical year, 50 means twice the usual complaints, and serious complaints and recalls lower it.
What is the most common problem with the 2007 Chevrolet Monte Carlo?
Electrical system, with 17 complaints, typically around 90,000 miles. Next is transmission (12).
How many recalls does the 2007 Chevrolet Monte Carlo have?
1 recall, covering electrical system.
Was there a recall on the 2007 Chevrolet Monte Carlo electrical?
Yes, 1 recall: 14V355000. Check your VIN to see if your car still needs the free repair.
What year does the Chevrolet Monte Carlo have the most electrical problems?
The Chevrolet Monte Carlo model years with the most electrical complaints are 2004 (151 complaints), 2005 (87 complaints) and 2001 (77 complaints).
What gas mileage does the 2007 Chevrolet Monte Carlo get?
Official estimates for the 2007 Chevrolet Monte Carlo range from 19 to 22 mpg combined. The most efficient version (3.5L 6-cyl, FWD) gets 19 city and 28-29 highway.
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