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Old 10-14-2010, 03:18 PM
Stangfire Stangfire is offline
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5.4L engine is ticking.

I have an 2003 F150 4x4, 5.4L, Auto with 80,000 kms. The truck is babied and has always had regular oil changes.

I have a ticking sound coming from it that is mostly noticable when the engine is cold. Once the engine warms up it's not really noticable.

One person said it's a lifter, another person said timing chain.

Any thoughts?

Thanks.
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Old 10-14-2010, 07:45 PM
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70f100longbed 70f100longbed is offline
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I would first check all the plugs to make sure they are tight. Then check all the exhaust gaskets and manifold studs. I doubt its a lifter or chain.
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Old 10-15-2010, 08:35 PM
windstar99 windstar99 is offline
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If everything else checks out, it sounds a lot like Piston Slap. Audible piston slap is typically loudest when the engine is first started up. The pistons then expand with heat reducing the piston to cylinder bore clearance thus, reducing the perpendicular impact of the piston against the cylinder wall and its resulting noise. Piston slap is common with 5.4 engines until 2004 (5.4 was redesigned). As long as there's no metal (or your piston rods) in the oil pan, there's not much that can be done. I live in Northern Ontario, and my truck (2002 Super Crew, 148,000 kms) and I have had it for the last 3 years with no issues. Now that it is getting cold, the noise is coming back. Then goes away once the engine warms up.
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Old 10-16-2010, 12:56 PM
Naviadvi Naviadvi is offline
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I know the ticking your speaking of. Heard it for a while but couldn't quite figure it out. It's the sound of a plug about to blow. Had it happen twice on my Triton. It was when it happened the second time that I realized that that tick/psst sound was air seeping from the around the spark plug (#4) in the back before it blows out. Hope this helps.
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Old 10-18-2010, 07:12 AM
Stangfire Stangfire is offline
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Do the plugs like to loosen up on these engines?

The ticking sounds like it's coming from the passenger side. I'll check the plugs.
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Old 01-15-2013, 09:34 PM
gorham48 gorham48 is offline
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Ticking

Could be cam phasers can be fixed but will come back I have a friend that has put 100,000 miles on his since it started
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Old 01-16-2013, 07:41 AM
Stangfire Stangfire is offline
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This is old. It was broken exhaust manifold bolts.
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Old 01-19-2013, 12:16 PM
BFTUFF BFTUFF is offline
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Having the same problem. The sound used to come from the passenger side of the engine and tick when first started. Once warming started the tick would just abruptly stop. Now there is a tick that gets louder when you accelerate and drops off when you let off the gas but is still audible. Could it be an exhaust leak, it seems to have a metallic sound. The plugs were all changed 2 years ago and never-seize was used on the threads and torqued properly. There was no looseness in the threads either. 197,600 miles.
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Old 01-20-2013, 06:24 AM
hookedondiesel hookedondiesel is offline
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Quote:
Originally Posted by Stangfire View Post
This is old. It was broken exhaust manifold bolts.
Makes sense, a loose plug will make noise, cold or hot.
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Old 01-20-2013, 06:24 AM
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1997, 2003, 4x4, 54, 54l, engine, expedition, f150, ford, makes, plug, spark, tick, ticking, v8

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