
The Chevy Cobalt is known for its fuel line problems, with over 600,000 vehicles investigated for fuel line and ignition issues. The 2009-2010 models are the most affected by this defect. While the Chevy Cobalt is relatively inexpensive to maintain, with an average annual maintenance cost of $450, replacing the fuel lines can be costly. The average cost for a Chevy Cobalt fuel line replacement is about $400, with parts costing around $100 to $150 and labour costing between $200-$300. However, some dealers may quote a higher price of $800 to $1100 for the replacement. This price variation may be due to the labour-intensive process of replacing fuel lines, which involves dropping the engine cradle and moving some rear suspension parts. Additionally, the cost of fuel pumps, which are often replaced along with the fuel lines, can add to the overall expense.
| Characteristics | Values |
|---|---|
| Estimated cost to replace fuel line | $250 |
| Estimated cost to replace fuel line (other estimate) | $1100 |
| Estimated cost of parts | $100-$150 |
| Estimated cost of labor | $200-$300 |
| Average cost for Chevy Cobalt fuel line replacement | $400 |
| Average annual maintenance cost | $450 |
| Fuel line length | 7' |
| Fuel line material | Nylon |
| Fuel line diameter | ⅜" |
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$45.88
What You'll Learn
- The average cost of replacement is $400, with parts costing $100-$150 and labour $200-$300
- Dealers will likely replace parts, not repair them
- Leaking fuel lines were a major reason for Cobalts to be recalled
- Repair time is estimated at 2.0-2.2 hours
- Fuel lines are closely connected to fuel pumps, so problems with one can lead to issues with the other

The average cost of replacement is $400, with parts costing $100-$150 and labour $200-$300
The Chevy Cobalt is known to have issues with its fuel lines, with leaking fuel lines being one of the major reasons for the car's recall. If you own a 2007 Cobalt, you may need to replace the fuel line at some point. The average cost of replacement is $400, with parts costing $100-$150 and labour $200-$300.
The fuel line is a crucial hose that transfers gas from the storage tank to the engine. Given that the fuel line carries all the gas, any problems with it will affect the engine performance and efficiency of your car. While the Chevy Cobalt is relatively inexpensive to maintain, with an average annual maintenance cost of about $450, the cost of replacement parts can be high. This is because most manufacturers do not produce parts for discontinued models.
There are several factors that can influence the cost of replacing the fuel line in your 2007 Chevy Cobalt. Firstly, the labour cost will depend on the complexity of the job and the rates of the mechanic or shop. Some people have reported paying as little as $250 for the replacement of fuel lines in their Cobalt, while others have been quoted prices of $800 or even $1100. It's worth noting that dealerships are unlikely to repair the line and will instead replace it, which can increase the cost.
Additionally, the cost of parts can vary depending on whether you choose to use genuine Chevy parts or alternative options. Genuine parts can be expensive, but there are cheaper alternatives available, such as fuel tubing or nylon lines, that can be used to patch or replace the fuel line. It's important to consider the trade-off between cost and durability when choosing the type of parts to use.
Finally, it's worth mentioning that fuel line problems can lead to other issues, such as the need to replace the fuel pump and fuel filter. These additional repairs can increase the overall cost of addressing fuel line problems in your 2007 Chevy Cobalt.
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Dealers will likely replace parts, not repair them
Dealerships aren't likely to repair fuel lines with fittings, as that isn't technically the correct repair. If rust has ruptured the line, touching it will cause it to leak. It is also a lot of labour to change the fuel line back to the original equipment manufacturer (OEM) standard. The engine cradle has to be lowered, and some rear suspension parts need to be moved.
It is entirely possible that your fuel line ruptured due to rust, and if that is the case, a new fuel line may be the best option anyway. If the fuel line ruptured on a curve, this is even more true.
If your fuel line is only damaged on a straight section, it could be as little as $10 worth of materials and an hour of labour. However, a dealership probably won't be allowed to repair the line, only replace it. This might require lowering the tank and removing other parts to access the fuel line, as well as the cost of an entire new line.
If you are looking for a cheaper option, you could call an independent shop. They can still get GM parts and will likely have cheaper labour rates.
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Leaking fuel lines were a major reason for Cobalts to be recalled
In 2014, GM announced another recall for certain 2005-2007 Chevrolet Cobalt and 2007 Pontiac G5 vehicles due to an issue with the ignition switch, which could turn off the engine and prevent airbag deployment in the event of a crash. This recall was later expanded to include additional vehicles, including 2003-2007 Saturn Ion and 2007 Saturn Sky models.
Fuel line leaks in Cobalts were also addressed outside of these recalls. Some owners opted to repair their fuel lines using rubber fuel line patches or nylon lines, which were cheaper than replacing the entire metal fuel line. However, these patches may not be as durable or reliable as a full replacement.
The cost of replacing a fuel line on a Chevy Cobalt is estimated to be around $1100, which includes parts and labour. This price may vary depending on the specific model and the extent of the damage. Some owners have reported paying less for fuel line repairs or replacements by taking their vehicles to independent shops or using aftermarket parts.
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Repair time is estimated at 2.0-2.2 hours
Replacing the fuel lines on a 2007 Chevy Cobalt is estimated to take 2.0 to 2.2 hours. This is because the procedure is not very involved. However, it is still considered a big job. The engine cradle has to be dropped a bit, and some rear suspension parts need to be moved.
The fuel lines on a Chevy Cobalt are known to be problematic, with over 600,000 vehicles investigated for fuel line and ignition problems. The models most affected by this defect are the 2009-2010 versions. Leaking fuel lines were one of the major reasons for the recall of these vehicles.
The average cost for a Chevy Cobalt fuel line replacement is about $400, with parts costing around $100 to $150 and labour costing between $200 and $300. However, some people have reported much higher costs of up to $1100, which may be due to the need to fabricate a new line if the car is not a common model.
It is worth noting that dealerships are unlikely to repair the fuel line with fittings, as this is not considered the correct repair method. Instead, they will usually replace the entire fuel line, which can be costly. Seeking out an independent shop may result in cheaper labour rates and the ability to repair rather than replace parts.
Some people have opted to patch their fuel lines with rubber or nylon fuel tubing as a temporary solution, but this is not as durable as a metal fuel line and can be vulnerable to damage from rocks or sharp objects.
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Fuel lines are closely connected to fuel pumps, so problems with one can lead to issues with the other
The fuel system in a car is a complex mechanism that requires regular maintenance to function efficiently. Fuel lines and fuel pumps are integral components of this system and are closely interconnected. While fuel pumps draw fuel from the tank and pressurize it, fuel lines are responsible for transporting this pressurized fuel from the pump to the engine. Any issues with either of these components can lead to fuel leaks, which may result in fuel loss and a decrease in pressure.
Fuel lines are typically made of metal or plastic and must be durable to withstand the pressure of the fuel being pumped through them. They are designed to be resistant to cracks and leaks, but over time, they may become corroded or damaged, especially at bends and curves. Leaking fuel lines can be patched or repaired, but in some cases, a complete replacement may be necessary. The cost of replacing fuel lines can vary depending on the car model and the extent of the damage. For a 2007 Chevy Cobalt, estimates range from $250 to $1100, with the higher cost potentially due to the need to fabricate new lines.
Fuel pumps, on the other hand, are generally more expensive to replace. In the case of the Chevy Cobalt, a fuel pump replacement cost $477. While fuel lines are more susceptible to external damage and corrosion, issues with the fuel pump can also arise due to internal clogging or mechanical failure. Contaminants in the fuel can clog the fuel filter, causing the pump to work harder to draw fuel, leading to potential damage. Regular maintenance of both the fuel lines and fuel pump is crucial to prevent such issues and ensure the engine receives a consistent and clean fuel flow.
When replacing or repairing fuel lines, it is essential to use the correct materials and techniques. Metal fuel lines, made from stainless steel, aluminum, or coated steel tube, are the most durable and preferred option. Rubber fuel hose, while easier to install and less expensive, may not be suitable for the entire fuel system as it degrades over time. PTFE-lined hose is the best soft hose option, as it blocks fuel vapors and slows degradation, but it requires special fittings and is less flexible.
To summarize, problems with fuel lines or fuel pumps can impact each other due to their interconnected nature in the fuel system. Leaking fuel lines can cause fuel loss and pressure issues, while a faulty fuel pump may not provide sufficient fuel pressure or volume. Regular maintenance and timely repairs or replacements of these components are crucial to ensure the engine receives the required fuel flow for optimal performance.
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Frequently asked questions
The cost of replacing fuel lines on a 2007 Chevy Cobalt can vary depending on the extent of the damage, the specific model, and labour rates. The average cost for parts is around $100 to $150, while labour can range from $200 to $300. The total average cost for replacement is about $400, but prices can go up to $800 or even $1100.
Chevy Cobalts are known for their fuel line issues, with over 600,000 vehicles investigated for fuel line and ignition problems. The models most affected were the 2009-2010 versions. The fuel lines are made of nylon and can be susceptible to leaks and cracks, especially where they bend to go over the back axle.
Dealerships are unlikely to repair fuel lines and will often recommend replacing the entire line. However, independent shops may be able to repair the line for a lower cost. Repairs can be done by patching sections of the line with fuel tubing (rubber) or metal bulk fuel line.
There is no set labour rate for replacing the fuel lines, but it typically takes around 2.0-2.2 hours to replace them.
Yes, additional costs may include repairs for any issues related to a damaged fuel line, such as a fuel pump or filter replacement. Fuel pumps are more expensive than fuel lines and can cost around $270 to $477.











































