2005 Ford Mustang: engine knocking or ticking

Filed Feb 20, 2025 · Engine · OH

I have experienced two engine failures in my 2005 Ford Mustang due to timing chain issues, specifically the failure of the timing chain cassette, guides, and tensioners in the 4.0L SOHC V6 engine. The first failure happened suddenly with no warning, resulting in severe bottom-end damage, including rod knock. The timing chain cassette ends tend to snap off, sending debris through the engine and damaging lifters, camshafts, and other critical components. The second failure was preceded by an audible “death rattle,” a known symptom of timing chain guide and tensioner failure. Despite this, my vehicle never displayed a check engine light or oil pressure warning before either failure. Unlike later Mustangs with an oil pressure gauge, mine only has a warning light, which never activated.This issue poses a major safety risk, especially at highway speeds. My first engine failure occurred with no prior symptoms, which could have led to an accident had I been merging or overtaking. A failing timing chain can cause misfires, loss of power, or sudden engine shutdown, endangering the driver and others on the road. Independent mechanics have confirmed this issue, and Ford service centers recognize it as a common problem with the 4.0L SOHC V6 engine. Ford has quoted $3,000–$4,000 for timing chain service, making repairs nearly as expensive as engine replacement. These engines rely on multiple chains and hydraulic tensioners that wear out over time, causing slack in the timing chain, jumped timing, and catastrophic damage, typically after 100,000 miles. Despite this, there are no clear warning systems to alert drivers before failure occurs. While timing chains are considered serviceable components, the high failure rate of the timing chain guides and tensioners in these engines, combined with excessive repair costs, indicates a design flaw. I have spent around $4,500 addressing this issue, yet the risk of recurrence remains.

Filed Jan 25, 2025 · Body, Fuel system · NM

Ford did issue a recall for several issues for my car, including but not limited to, problems when filling gas tank with evaporative purge system as well as cavitation of the fuel pump in high heat conditions, the doors not closing all the way or handles remaining open( not flush with rest of door) when door is shut, driver's side door trim/bezel around power window switch making buzzing sounds when stereo is in use, as well as ticking sounds coming from motor during operation and various creaks and sounds from front suspension when cornering and going over uneven terrain, and the transmission, the 5r55s, has the known hard shift into gear caused by bad servo. I have reached out to the dealers in my area regarding these issues and even though my car is the correct model and year for the service recall bulletins and has the exact issues described there in, I am told that the vin on my car is not covered even though it is clearly suffering from equipment that exhibits all the same problems listed in the recall. I feel the responsibility to perform and pay for these repairs should fall on the manufacturer, not i, the customer.

Filed Feb 4, 2011 · Electrical · 102,000 miles · TN

2005 ford mustang coup v6 - instrument cluster failure - headlight failure -turn signal failure - false information via digital instrument display - door lock failure - radio failure. Indications of failure began in january 2010 with speedometer failure. In the fall of 2010, the charging system gauge failed but in-car system check reported all was normal. During the summer, speedometer returned to normal operations. Winter of 2010, speedometer failed again. End of january during warm weather, speedometer return to normal operation. February 1, speedometer fails again. February 2, ticking sound from behind the instrument cluster is noticed when ignition is turned off and speedometer fails. On february 4, 2011, entire instrument cluster failed, on board diagnostics reported traction control failure, low brake fluid, low oil pressure, parking brake on, low fuel warning, seatbelt warning, ABS warning. At the same time, the power locks failed, power windows failed, security system failed, service light illuminated, interior lights failed, and radio failed, and windshield wiper fails. All these failures/incidents happen in cold weather only.

Filed Dec 13, 2008 · Fuel system · 43,000 miles · AE

At 43,000 miles the check engine light would come on and then go off. The engine rpms will surge up and down when first starting and there seems to be a greater amount of exhaust visible. The warranty ford dealer for this area in germany (kohlhoff ford in mannheim) checked the vehicle and determined that the engine air/gas control sensor (anti-knock sensor) is defective. This is a 50 state emissions control vehicle (california) but ford warranty advisor states that the warranty is only when it's in california. I am stationed overseas. So the 3 year, 50,000 mile warranty for this and the 8 year, 80,000 mile emissions warranty is not covering this. Replacement parts are on order.

Filed Aug 15, 2005 · Engine · 3,000 miles · MA

Dt: purchased vehicle on april 27, 2005 , and the engine blew out on august 12, 2005. There was a ticking noise, stopped vehicle, and checked the oil, put oil in it, kept ticking, and the engine blew out. The safety lights on the dashboard did not come on. Contacted dealer, they hooked vehicle to the machine. They said water got into the air intake valve. Called another ford dealer to get second opinion , they said that was impossible and it was hydro locked. It should be covered under warranty.

Filed May 31, 2005 · Engine · 100 miles · GA

At 100 miles engine developed ticking noise in engine, after 2 dealers, 1 ford rep dealer diagnostic detrermined lifters bad,had to replace lifters.engine had 5600 miles on it b4 they determined problem