Question about 1999 Lincoln Town Car

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Noisy engine when my engine warms up it develops a tapping noise at lower rpm. at 30mph no noise. sounds somewhat like old mechanical valve tappets. this started about a year ago and has become more pronounced of late. engine has about 90K. any suggestions?

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  • 48 Answers

Possibly pre-detonation? These are prone to clogged EGR system which almost doubles your upper cylinder temps. What oil are you using?

Posted on Nov 07, 2013

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Posted on Jan 02, 2017

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SOURCE: 2005 LINCOLN AVIATOR HAS 3 SEC. OF TAPPING NOISE

Hows your oil level?when was the last time you had the oil change ?

Posted on Jun 22, 2009

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Slight tapping noise from engine when accelerating when engine is warm.Started about 3 days ago but hasnt got any worse.Doesnt do it when cold.


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If the smoke is blue,then the cause is likely to be wear in the piston rings,or wear in the valve seals.The noise if its light tapping its likely to be from the camshaft or tappets.If its a more heavy sound its likely to come from lower part of the engine either crankshaft or pistons ,a good mechanic will soon tell you.These problems are normally seen in high mileage vehicles and its likely you will have to do a major overhaul or replace this engine.I hope this was of some use.

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I have 2009 D22 double cab it has done 43 000Km, however I have two concerns. The first is noisy tappets usually only when the vehicle has been standing for a day or two, however it only lasts for a few...


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Also,at the last oil change,has the proper oil viscosity been used?
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Hi, my 99 Celica 1.8 has developed a very loud tick which appears to be coming from the inlet camshaft area. At idle speed it comes and goes like a noisy tappet but anything higher and it rattles loudly....


Your problem could be that your valves could be tapping and in need of adjustment if they can be adjusted.But since sound travels I would recommend you take it to your local mechanic to see if its possible for them to be adjusted.

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Hello onarock844...The Hyundai 2.4 litre and the 3.3 litre are known to have valve train noise. Some sooner than others.
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Ask your dealer to refer to Hyundai service bulletin #06-20-002 for information...If this has already been corrected,,,and the noise is coming from the upper engine area and not from the timing chain area, then the valve clearance will need to be adjusted. This is done by disassembling the valve train and installing slightly different size tappets to change clearance.
This is a fairly labor intensive process, so if you are still under factory warranty then you will want to go over the dealer's head and get the Hyundai zone rep involved to get it covered before your warranty coverage expires...
I recommend useing a full synthetic engine oil, i know in a few cases where the noise has stopped when the oil was changed over to synthenic, also a high quality filter is important, such as a purolator.
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I have a punto 55 M reg


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