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Cadillac CTS fuel leak problems

14 of the 2,220 owner complaints about the Cadillac CTS describe fuel leak, most of them for the 2009 model year.

owner complaints
14
worst model year
2009
typical mileage
89,000
Is there a fix? There are 2 recalls for this area of the car. See below

By model year

  • 2013
    1
  • 2009
    5
  • 2008
    4
  • 2007
    2
  • 2006
    1
  • 2003
    1

What owners say

Filed May 27, 2024 · Fuel system · MI

Gas leaking from above gas tank took car in for service 5/6/24. they could not duplicate issue on 5/24 engine light comes on. On 5/26/24 code indicated fuel pump issue. Several months before all of this, I would notice a strong gas smell after driving

Filed Sep 16, 2023 · Fuel system · GA

The fuel pump is leaking gas on top of the fuel tank. I just bought the car and didn’t know about the consistent problem with second generation CTS. The problem is stated to ba a plastic elbow attached to the fuel pump that ruptures.There is a fuel smell inside while I’m driving and around the car when the car is motionless. This a fire and explosion hazmats that is common to this model year. I can see some fuel on the side of the fuel tank. From reading , I can see that GM has recalled other vehicles for the same problem. I believe that the first generation CTS was recalled and the second generation was not included. Replacing the fuel pump is a very expensive a labor intensive process and I would like to have 2009 CTS included in the recall.

Filed Oct 24, 2022 · Engine, Fuel system · IL

My 2009 has 112,000 miles on it. Over a period of time we started to smell gasoline . Thought it may be simply from putting gas in the car. The smell got stronger. Fortunately we had to have a tire replaced. The tire service owner advised we had a major gas leak and advised us not to drive it far. End result was we had a fuel feed pipe that was leaking. Please know we had been driving our 4 year old nephew and 1 year old niece in the car. Final bill was over $2300. Leaking gas !! How can that not warrant a safety recall? Searching the web for information about others having the same problem I discovered others did. Please go to Cadillac Forums for starters. Please review and advise. More safety issues for the CTS involved a seat belt that was worn down and a passenger front door that would not open from either the inside or outside. Cell [XXX] Email [XXX] INFORMATION Redacted PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).

Filed Sep 27, 2022 · Fuel system · 34,000 miles · NE

The contact owns a 2008 Cadillac CTS. The contact stated that while starting the vehicle, he noticed there was a puddle of fuel on the ground coming from the passenger's side fuel line. The vehicle was taken to the dealer where it was diagnosed with corrosion on the fuel line causing the fuel leak. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 34,000.

Filed Jan 8, 2021 · Fuel system · 89,000 miles · NV

The nippendenso fuel pump neck is cracked and is leaking fuel. $3200 bucks for the dealer to replace. Bought on line and replaced for $1256 bucks. Every cts v has this issue. I cannot imagine that this is not a recall. Pumping on the ground is a safety issue. Check the forums and you will see all of these vehicles have a fuel leak problem.

Filed Oct 28, 2019 · Brakes, Electrical · 185,000 miles · CA

Tl* the contact owns a 2003 cadillac cts. While driving various speeds, the brake pedal traveled to the floorboard when it was depressed and the vehicle failed to stop. Also, the key became stuck inside the ignition switch and the contact detected fuel leaking from the vehicle. Furthermore, the "remove key" message was displayed and the door lock and air bag warning indicators illuminated. The contact called winter chevrolet (3750 century ct, pittsburg, ca 94565, (925) 232-0290) and informed them of the failure. The vehicle was taken to an independent mechanic where the brakes, key, and battery were replaced. The manufacturer was contacted and referred the contact to the federal safety agency. The failure mileage was 185,000.

Filed Aug 29, 2019 · Fuel system · 80,000 miles · CA

Noticed gas smell coming from car. I got worried once the gas smell became a everyday thing. Mechanic states a gas leak is coming from the gas tank area. Did a search online and a lot of petiole are having the same issue with this make and model.

Filed Jan 4, 2019 · Fuel system · 50,000 miles · NV

Fuel pump assembly leaks from the plastic "pvc" 90 degree elbow located on the top of the fuel pump. Normal vehicle operation will cause the plastic "pvc" elbow to crack which in turn leads to a pervasive and dangerous fuel leak. The fuel leak then begins to puddle on top of the fuel tank which then flows down the fuel tank towards exhaust and eventually the ground. A strong smell of fuel is present while vehicle is on or off. The leak becomes greater as more fuel is sent to the motor. This is a pervasive issue on many 2009-2015 cts and cts-v vehicles which can be seen on many message boards and forums. This issue has the high potential to cause a fire in which injury or death can occur. In addition, this leak does cause a fuel shortage to the motor affecting drivability of the vehicle. The piece that leaks is inferior and should be replaced to avoid issue. A recall should be issued to resolve this potentially deadly issue.

Filed Oct 5, 2018 · Fuel system · 115,000 miles · TX

Tl* the contact owns a 2008 cadillac cts. The contact smelled fuel in the vehicle. The vehicle was taken to an independent mechanic who stated that fuel was leaking from the fuel pump on top of the fuel tank. The dealer (cadillac of arlington, 2001 n collins st, arlington, tx 76011) was made aware of the failure, but could not assist. The manufacturer was not contacted. The vehicle was not diagnosed or repaired. The failure mileage was 115,000.

Filed May 5, 2017 · Engine, Fuel system · 140,000 miles · MA

Tl* the contact owns a 2007 cadillac cts. The contact heard a ticking noise coming from the engine. Upon inspection, the contact noticed fuel leaking from the oil pan gasket. There were no warning indicators illuminated. The vehicle was taken to an independent mechanic who diagnosed that the oil pan gasket needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 140,000.

Related recalls

Fuel system, gasoline: delivery: fuel pumpReported September 9, 2014 · 10,005 vehicles affected
What is wrong
General Motors LLC (GM) is recalling certain model year 2004-2007 Cadillac CTS-V vehicles manufactured October 6, 2003, to March 15, 2007, and 2006-2007 Cadillac STS-V vehicles manufactured June 23, 2005, to March 15, 2007. In the affected vehicles, the electrical terminals of the fuel pump module may overheat resulting in the melting of the flange material.
Risk
If the flange melts, a hole may be created allowing the fuel pump to leak fuel, causing the vehicle to stall, increasing the risk of a vehicle crash. Additionally, leaking fuel in the presence of an ignition source increases the risk of a fire.
Remedy
GM will notify owners, and dealers will replace the fuel module and fuel tank jumper harness, free of charge. GM sent out interim notices in late October. The recall began on March 12, 2015. Owners may contact Cadillac customer service at 1‑800‑458‑8006. GM's number for this recall is 14405.

Recall number 14V542000 · Recall details

Fuel system, gasoline: deliveryReported January 25, 2006 · 17,462 vehicles affected
What is wrong
Certain vehicles equipped with v6 engines may have a condition where fuel is no longer supplied to the engine. This condition occurs without the illumination of the fuel level low indicator light or the warning chime.
Risk
If the engine stops running, the operator will not be able to restart the vehicle which could increase the risk of a crash.
Remedy
Dealers will reprogram the electronic control module (ECM) with new software free of charge. Owners were notified in december 2005 and asked to maintain at least 1/4 of a tank fuel level to avoid this condition until the parts are available. The parts are now available, owner renotification began on march 23, 2006. Owners may contact cadillac at 1‑866‑982‑2339.

Recall number 06V020000 · Recall details

Questions about the Cadillac CTS fuel leak

Which Cadillac CTS years have fuel leak problems?

The model years with the most reports are 2009 (5 complaints), 2008 (4 complaints) and 2007 (2 complaints).

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