Full Answer
What year did Ford stop putting spark plugs in V10 engines?
It’s a popular belief that Ford had fixed the spark plug problems in its V10 engines in 2003. Which Ford V10 years should I avoid? To be on the safe side, the Ford V10 years to avoid would be from the years 1997 to 2004 or 2008, depending on how much the warranty will cover for you. Which Ford 4.6L engines should I avoid?
Are there any spark plug problems with a Ford engine?
The Ford spark plug issue was still evident around the years 1997 to 2003. Ford had experienced an increasing number of drivers facing issues with their modular engines from vehicle models produced between 2004 to 2008. The 5.4L and 6.8L vary only by cylinder count (V8 and V10, respectively).
What year did Ford start using high thread spark plugs?
Then starting in 2005 on 5.4l engines Ford started using a new design "high thread" 9/16" coarse threaded spark plug that breaks and drops part of the ground shell into the cylinder upon removal. I may be incorrect but I take it as two seperate issues.
What happened to the spark plugs in the Triton V10?
The Triton V10 engines manufactured between 1991 and 2002 have an ill-chosen design flaw within the cylinder head and spark plug designs that can result in the plugs being ejected or welded to the cylinder head. Cast iron engine blocks with aluminum cylinder heads with centrally positioned spark plugs were used in the Triton V10 engines.
Why did Ford discontinue the V10?
When did the Ford V10 stop production?
What are the problems with the Triton V10?
How much does it cost to rebuild a Triton V10?
When did Ford stop producing Triton V10?
Can a PCV valve hose crack?
Can stock bolts cause exhaust leaks?
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What years did Ford V10 have spark plug issues?
One of the main faults with the early V10 engines (1999 – 2005) was that the spark plugs could blow out of the cylinder head. Ford use a cast iron engine block with an overhead cam aluminium cylinder head design, that uses centrally mounted spark plugs and waste spark ignition.
When did Ford fix the spark plug problem?
That original 2006 TSB has been updated several times, with the final one being TSB 08-7-6 (you can easily find it on the web). For 2008, Ford redesigned the 3V cylinder head to use a new one-piece spark plug.
What year did Ford V10 go to 3 valve?
2005A number of different head designs and block upgrades would follow the V10 throughout production, with a spark plug thread blowout issue addressed in 2002, and a 3-valve upgrade made in 2005.
What year did Ford stop using 2 piece spark plugs?
Ford 4.6L, 5.4L and 6.8L 3 Valve engines have the two piece spark plug; The 2 Valve engine does not use this plug. Fortunately, Ford finally redesigned the spark plug in 2009. Vehicle models from 2009 on do not use the original design.
Are Ford V10 engines reliable?
The Ford V10 has a stellar reputation for reliability. Assuming the engine has been well cared for throughout its life, you can expect it to last at least 200,000 miles before needing to perform any major repairs. That means the big V10 shouldn't scare you away, unless 10 mpg on a good day frightens you, that is.
What year did Triton avoid?
As some truck fans know, the 2004 to 2007 F-150s had a huge, glaring issue primarily caused by its V8 Triton engines. Vehicle History wrote that the Ford's Triton engines simply had a lot of reliability issues, and that's why the model years from 2004 to 2007 aren't recommended.
Is the Ford 6.8 L V10 a good engine?
Is the 6.8 Triton V10 reliable? Overall, this engine is well built and is highly reliable. Outside of the common spark plug blowout issue, there aren't really any costly problems that the 6.8 Triton is known for.
What are the common problems with the V10 6.8 L?
The Triton V10 has a strong reputation for durability and reliability, however, it also had several potential problems worth knowing about, including a cracking PCV valve hose, spark plugs that would eject out of the cylinder heads, and exhaust manifold bolt failures.
Which is more powerful V8 or V10?
Power: The airflow test I did reveal that the Dyson V10 has up to 33% more power at the highest setting. Run time: The V10 will run for up to 61 minutes, while the V8 runs for 41 minutes.
Which Ford engines have spark plug problems?
The Ford modular engines have had their share of spark plug issues. One of the issues was stripped or missing threads in the spark plug holes of 4.6-liter, 5.4-liter, and 6.8-liter 2-valve engines.
What year Ford spark plugs break?
Notorious Ford V8 spark plugs need an extended warranty But for millions of owners of V8-powered Fords from the 2004 to 2008 model years, a spark-plug change can lead to an expensive, hours-long ordeal.
How do I stop my Ford spark plugs from blowing out?
How to Prevent Spark Plug Blow Out: Ignition Problems SolvedA spark plug blow out occurs when the spark plug is fastened too tightly or not tight enough to the engine plug. ... Check the Torque.Install the Plugs Correctly.Listen for Ticking.
What year did Ford 5.4 have spark plug problems?
Ford has spark plug problems from the 2004 to 2008 series. These are the years when every model commonly had spark plug problems. 5.4 Triton was affected the most by it. Mustang (2005-2008), F150 (2004-2008), and Expedition (2005-2008) have a 5.4L Triton engine with spark plug issues.
What year did the 4.6 have spark plug problems?
2004-2008This article describes a particularly frustrating spark plug issue with the 2004-2008 Ford 4.6-liter, 5.4-liter, and 6.8-liter 3-valve "modular" engines.
Which Ford engine has spark plug problems?
Notorious Ford V8 spark plugs need an extended warranty Replacing spark plugs has been a no-brainer for most passenger vehicles for, say, the last 100 years. But for millions of owners of V8-powered Fords from the 2004 to 2008 model years, a spark-plug change can lead to an expensive, hours-long ordeal.
Does the 4.6 have spark plug issues?
However, Ford 4.6L V8 engines do have a few known spark plug issues. The 3-valve 4.6 engine in some Mustang GT and F-150 models runs into issues with spark plugs breaking in two. This makes removing the spark plug(s) very challenging when they break.
What is the Ford V10 All About?
The Ford V10 was originally developed for the E-Series vans and motorhomes in 1997, and it’s a 6.8L V12 with twin cylinders stretched! To create this engine, Ford simply lengthened the modular 5.4-liter V8 introduced at the same time by two cylinders.
Ford Triton V10 Reliability
We’re aware that the V10 has some strong engineering foundations as part of the Ford modular engine family. And the fact that Ford chose to employ this engine in a variety of heavy-duty trucks should speak volumes about its durability. After all, commercial buyers will not accept fidgety or weak engines in their business vehicles.
Common Ford Triton V10 Engine Problems
The Triton V10 engines manufactured between 1991 and 2002 have an ill-chosen design flaw within the cylinder head and spark plug designs that can result in the plugs being ejected or welded to the cylinder head.
A Warning About Longevity Numbers
Keep in mind that no two used cars are the same, which can alter how long an engine lasts. Owners treat their automobiles differently, from the amount of use and abuse to the frequency of maintenance.
Advantages of the Ford Triton V10
There are many disadvantages to this engine, but there are some benefits to consider as well.
Other Issues with the Ford Triton V10
But will there be a lot of little problems along the way? “No,” say most owners, according to most owners. In reality, with the exception of a few small repairs, very few V10 drivers have required anything more than basic maintenance. Nonetheless, let’s take a look at some of the issues with the Ford V10.
Ford V10 FAQ
In 2019, Ford discontinued the V10 engine range. However, if you’re searching for one, more than 750,000 vehicles have been sold with this engine. Many of the more recent engines developed in the last ten years have been utilized in commercial trucks like school buses, although they are still accessible.
What is a lot of V10?
"Lots" is a relative term. If you are a engine mechanic dealing with major problems, you probably see "lots" of these, but if you consider the total population of the 2 valve V10's, the proportion probably doesn't look so large. But it was significant enough for Ford to issue a TSB on it, and for Hela-coil to tailor a product for the repair (even if the tailoring is just a re-package of one of their standard items).
Why do plugs eat out of the threads?
then a failure to torque the plugs to the correct spec allows them to work there way loose and you then get hot combustion gases start to leak past the threads and eat out more of the threads. then the threads finally let go and you get the telltale bang of the plug hitting the fender well and the woosh woosh from the compressed vapors rushing out the plug hole.
Is Ford cylinder head replacement authorized?
Ford notes: This procedure IS NOT AUTHORIZED AS A WARRANTY REPAIR. For vehicles in warranty replacement of cylinder head is recommended.
Is Ford authorized for ESP repairs?
Ford notes: This procedure is authorized for ESP repairs and retail repairs.
Does heli coil work on Ford heads?
Heli-coil has a kit available specifically for Ford heads. My experience is that they work well.
Do you use anti sieze on a Ford spark plug?
when torquing the spark plugs back in; do it to fords specs, no more, no less, do not use anti sieze, as it will change the tourqe reading of your tourqe wrench. (I think that ford asks for either 14 or 17 ft/lbs of torque, best to look it up)
What kind of spark plug does a 2005 Ford 5.4 use?
Then starting in 2005 on 5.4l engines Ford started using a new design "high thread" 9/16" coarse threaded spark plug that breaks and drops part of the ground shell into the cylinder upon removal.
What spark plugs are used in a 2005 5.4L?
all 2005-2008 5.4l and 6.8l use the wierd "ground electrode shell" high thread design and everything else, all years and other engines are 14mm threaded spark plugs.
Do coil packs go bad?
The coil packs go bad and when that starts don't buy one. Buy them all because you will be putting on of those m********** in every month or two until they are all changed. I recommend motorcraft coil packs as well because I've seen very high failure rates on cheaper auto parts store brands.
Why did Ford discontinue the V10?
Overall Ford decided to discontinue the V10 because they have been able to improve the performance and output from their V6 and V8 engines over the years through new engine architectures and turbos. This has led to no real need for a V10, and it has been retired and replaced with a V8.
When did the Ford V10 stop production?
This naturally aspirated single overhead cam workhorse known as the Ford V10 was first launched in 1999 and stopped production after 2019. The engine produced 360 horsepower and 460 lb.-ft. of torque. It was included in a number of both commercial and recreational Ford trucks as part of Ford’s Modular engine family. Most notably, it was included in Ford’s Super Duty trucks, including the F-250 and F-350.
What are the problems with the Triton V10?
The Triton V10 has a strong reputation for durability and reliability, however, it also had several potential problems worth knowing about, including a cracking PCV valve hose, spark plugs that would eject out of the cylinder heads, and exhaust manifold bolt failures.
How much does it cost to rebuild a Triton V10?
If your V10 is ready for a rebuild it would cost between $3,000 to $4,000 to have it professionally done.
When did Ford stop producing Triton V10?
Ford put an end to the production of the Triton V10 in 2011 for their trucks and SUVs. The 6.8L V10 did continue to be used in the E-series vans up until 2019. It is known to be a pretty reliable engine, but it just did not take off like the diesel engine options.
Can a PCV valve hose crack?
This issue is small but can have big consequences. Keeping an eye on the PCV valve hose and replacing it as soon as it cracks is highly recommended.
Can stock bolts cause exhaust leaks?
However, the stock bolts would often rot and eventually break, causing exhaust leaks. This meant that exhaust fumes could come into the passenger compartment and potentially cause health problems.
Which Year Did Ford Fix The Spark Plug Problem
- While many people believe that Ford had fixed their spark plug problemin 2003, it is still argued whether this issue is really “fixed” at all. Even though the company said that this was not the vehicle owner’s fault, they still did not act upon a widespread or official Ford spark plug blowout recall. Some lucky drivers, however, had been covered by...
Modular Engines with Spark Plug Issues to Avoid
- The Ford spark plug issuewas still evident around the years 1997 to 2003. Ford had experienced an increasing number of drivers facing issues with their modular engines from vehicle models produced between 2004 to 2008. These modular engines from Ford come in various types, including – 1. 4.6 liters 2. 5.0 liters 3. 5.2 liters 4. 5.4 liters 5. 6.8 liters The 5.4L and 6.8L vary onl…
Common Problems with Ford’s Faulty Spark Plugs
- Because of Ford’s wide range of model types and fast production, the spark plug issues faced by drivers varied around the US. The most common issues with the spark plugs were – 1. Constantly blowing out 2. Threads breaking off during removal 3. Prone to damage beyond repair 4. Being stuck in place due to missing or stripped threads If you don’t know already, a stripped/missing th…
Conclusion
- So, what year did Ford fix the spark plug problem? Having said all that, even though the majority answers 2003, we believe it’s best to avoid engines produced during the problem years and go for a newer and improved build. While newer models might not be to your taste or fit your budget, they will save you the hassle of spending a fortune on repairs without a warranty to stand behind.