Ticking with V10
More Turbo
Joined: Dec 2017
Posts: 587
Likes: 6
Definitely examine the exhaust manifolds. The studs tend to break on Triton motors, and you can get a ticking from that. With that many miles, could be developing issue with the valve train, but that is not where I would start.
Posting Guru
Joined: Nov 2003
Posts: 2,107
Likes: 3
From: California Desert
Broken exhaust studs can cause a ticking, and a spark plug getting ready to eject itself can also sound similar to an exhaust leak tick. A broken exhaust stud isn't a dire situation. A spark plug about to spit out is in need of immediate repair.
Mountain Pass
Joined: Jan 2012
Posts: 243
Likes: 16
From: Estacada, Oregon
you will need to spend the money to purchase a timkin kit and re thread the head in order to get a spark plug back in. You will know that it happened, its very noticeable, there are plenty of threads on this.
If this happens when you are driving around and you are not able to get a tow, disconnect the wire harness to the fuel injector for that cylinder so that it doesn't keep pumping fuel in your engine.
If this happens when you are driving around and you are not able to get a tow, disconnect the wire harness to the fuel injector for that cylinder so that it doesn't keep pumping fuel in your engine.
Senior User
Joined: May 2018
Posts: 179
Likes: 1
Sounds loud, like the engine is going to blow, and runs rough as heck...not something you want to drive!!!!
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More Turbo
Joined: Dec 2012
Posts: 565
Likes: 33
From: Newcastle & Gillette WY
The exhaust manifolds are the place to start. Ticking on these engines can also come from a lash adjuster (just like a ticking lifter in a pushrod engine,) piston slap or a worn wrist pin, a blown head gasket or a leaking valve. (The last two are just what you didn't want to hear, but are the least likely and will manifest themselves with other more serious symptoms rather quickly.)
If the ticking is loudest when the engine is cold and diminishes or quits as it warms up, it is more likely piston slap or a wrist pin. This is because the tick is caused by excessive clearances which tend to shrink as the parts expand from operational heat. If this tick is loudest at idle and diminishes or quits when you rev up a cold engine, it is most likely piston slap. This is because the piston skirts are "splash lubricated" from the crankshaft throwing a mist of oil into the cylinders and the cold oil will cushion the skirt where it contacts the cylinder wall.
If the ticking is loudest when the engine is cold and diminishes or quits as it warms up, it is more likely piston slap or a wrist pin. This is because the tick is caused by excessive clearances which tend to shrink as the parts expand from operational heat. If this tick is loudest at idle and diminishes or quits when you rev up a cold engine, it is most likely piston slap. This is because the piston skirts are "splash lubricated" from the crankshaft throwing a mist of oil into the cylinders and the cold oil will cushion the skirt where it contacts the cylinder wall.
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