Ford Mustang GT knocking problems

Filed Nov 7, 2014 · Engine · 73,000 miles · PA

Spark plug blew out of head and there's a knock coming from the block.

Filed Jul 8, 2013 · Engine · 55,000 miles · TX

Driving home form a trip I started hearing a slapping/ticking noise form under the hood. Investigated the problem and seems to be coming form timing chain cover/ valve cover area on passenger side. After doing research on this matter and a mechanic visit it is a timing chain guide/tensioner. Its a costly repair and seems to be a common problem on 05-09 mustangs form internet research. They use the timing chain cause they should last the life of the car, cause they wont break. I think the guides should also last, but they are made of plastic and can break at anytime. I think this is a ploy by ford or a defect that needs to be addressed as plastic contained inside of a major car part that can break easily, may cause chain to slip off and shut off engine causing blown engine, or worse while on highway causing an accident. They should be replaced by stainless or aluminum for strength and better support.

Filed Apr 13, 2010 · Engine · 46,383 miles · OK

I own a 2002 ford mustang gt with a 2-valve 4.6l engine with only 46k miles. Around 1 apr 10 I started hearing a distinct ticking noise from the engine. Not being that mechanically inclined, I assumed some lifters needed adjusting; so, I brushed the noise off. On 10 apr 10 I was driving on the interstate when I heard a loud bang and then sounds that patted like a harley running out of gas. My check engine light flashed several times. Fortunately, I was only 2 miles from home; so, I sputtered the rest of the way. As I have a diagnostic tool, I checked the code and it read the #3 cylinder was miss firing. I called my mechanic and he told me to change the spark plugs. Once I figured out how to get all that done, I removed the coil from the cylinder and it was shredded with the coil dangling. I extracted the spark plug with no resistance because it was just sitting in the hole. To my surprise, it was the original spark plug that came with the car. I tried to put in a new spark plug, but it would not tightened at all. I attempted several times and even tried to make it cross-thread, but it would not take. When I took a good look at the spark plug, I saw where the bottom three threads were smashed flat and the metal that you gap was mashed against the electric diode. I called bob moore ford in okc and the service writer, gerry, told me there were no recalls for that event. I asked him what could have caused it and he responded improperly torqued spark plugs. When I told him it was the factory plug, he said then hot rodding must have caused it. I told him its my wife's car and the car doesn't take any abuse. I asked how much bob moore charges to do a helicoil and he said $500. I let him go. I ended up taking it to a mechanic shop and getting the cylinder re-thread for whole lot less and whole lot better attitude. Hopefully, it holds.

Filed Jun 1, 2009 · Fuel system, Suspension · 17,800 miles · TX

Just bought car 1 month ago and there are several technical service bulletins on my 2005 ford mustang gt. All of which my car is experiencing. Hesitation on acceleration , loud knocking noise from under hood at low speed turns , extremely difficult to pump gas , pre-mature automatic shut-off , most of which pose safety issues . I called then 48 hours after buying car to ask can I bring it back to repair which they quoted me 2000.00 for a differential issue on a car that has 17,646 miles. Called ford relations they said im responsible for all repair costs even though they are listed as manuf. Defects.. Since they are tsb and not "outstanding recalls" they can't help.

Filed Dec 7, 2007 · Engine · 34,000 miles · HI

On cold start, there is a "ticking" sound. Took it to mechanic and he gave me a technical service bulletin article #03-25-6, dated 12/22/03, regarding ford, lincoln and mercury engines built before 9/17/2003. Emailed ford motor company to find out what could be done to rectify the situation as it is a known defect of the car although it is not a safety issue. All they could tell me is there is no recall and take it to an authorized dealer to have it diagnosed and repaired if need.

Filed Feb 11, 2007 · Engine, Transmission · 4,400 miles · AL

My 2006 mustang gt has been in the service department three times within 2 months time. When you make a left or right turn there is a grinding sound. They have installed 2 clutch packs (kit-axle dif, 3 gear and pinions, and a new flange. I know it is not the way the vehicle is driven. It was bought new in march 2006 and it only has 7000 miles on it and this is february 2007. The car is not "beat" at all. If these vehicles are supposed to be high performance vehicles. Could you imagine what would happen if the "rear end" was to lock up? Am I the only one having this problem? Also there is a ticking sound that sounds like the valves are rattling, there is a tsb on the valves but dealership says that is not the problem. I only use bp and amoco gas, the gas that is preferred for the vehicle.

Filed Nov 27, 2006 · Engine · 123,850 miles · SC

There was a slight ticking noise coming from engine bay that I thought was an exhaust leak. Eventually the spark plug blew out of the head stripping the top threads out of the aluminum head. In order to fix the car, I had to have a local shop helicoil the head to add threads to the head.

Filed Sep 8, 2006 · Acceleration, Engine · 629 miles · OR

Our ford mustang gt that was purchased for our 17 yr old daughter was purchased 2-21-2006 it had its first problems at 629 miles on 3-4-2006 the dealership replaced some followers and some lifters and some camshaft parts. We've been told all should be replaced the whole bank. Dealer won't do anything about it car started smoking a week later and making ticking noise again. Dealer said it didn't do it there so nothing was done. Next, car started hesitating after driving on hwy couple hrs. Dealership replaced fuel pump and gear box was hot and rattling so they replaced it. Then car accelerated on its own from 50 to 90 miles hr. Dealership couldn't find anything that was at 8300 miles now at 9700 miles car has taking off again from 40 to 80 when our daughter put it in neutral and coast to side of road our daughter and her friends are to afraid to drive it now and its been at dealership for 2 full weeks also the paint on the passenger rear fender is bubbling off the car. Someone is going to get hurt, probably already have died but know one has checked into it. Sorry about wording you only get 2000 words to describe everything. Like you really want to know if your restricting the amount of words.

Filed Mar 27, 2006 · Engine · 47,929 miles · GA

We took the ford mustang gt2002 to metro ford in tueplo, mississippi due to knocking. According to the service manager the entire motor was out need to be replace. We have not had any motor problems at any times. We provided the service manager documents we had regular oil/filter to prevent incidents of this nature. We had work completed or not completed in december 2005 due to previous work completed by metro ford in tupelo, mississippi the motor is out. They want us to pay for a new motor. After filing a complaint march 10, 2005 the service manger with metro ford had a officer go to my son job on march 17, 2005 to escort him back to metro in the loaner. That was harassment, embarrassment and violated law governing employment harassment.

Filed Oct 3, 2005 · Engine · 87,525 miles · NC

1) a ticking noise began coming from the upper middle of the engine. After a month, 2) the ticking became a 'tapping' that became increasingly louder. Enroute to have it examined by a local performance shop, there was a loud sound similar to a gun shot and an instant loss in power. This occurred at 2000 RPM. Upon examination, the spark plug had been ejected from the 2nd from the last cylinder on the pass. Side bank. Such force was exhibited that the mounting tab of the ignition coil was broken and the coil was shattered. Upon examination of the head itself, the plug threads were completely stripped. 3)true blue performance, a mustang specialty shop, examined the parts and concluded that the only remedy viable was to replace the head, plug, and coil.