Start up noise with video attached

03Cobraraptor · May 31, 2016

2013 Ford Raptor 25,000 miles

Cold startup
Outside temps 70

Is this normal Lifter noise on start up?
Also at 07 seconds there's a louder thud-like noise that occurs...any ideas?

Thank you gents

th_trim.21EC1917-CB5C-415C-85DD-62EA68D31135.jpg

weimer · Jun 1, 2016

Mine does the same thing. The thud is the compressor turning on.

SchultzLD · Jun 1, 2016

At work so can't watch the vid, but like the above said... sounds just like mine; a few seconds for the oil to get moving, then the compressor kicking in.

Dane · Jun 1, 2016

Vid doesn't work for me. But I'm curious as to what the noise is. I've had a couple weird ones, some explained, one not.

Riddick · Jun 1, 2016

Can't see the vid, but I'm assuming the lifter knock goes away after a few seconds. What oil filter are you using? I had the same thing. Installed headers and changed oil at the same time with a Mobile One filter. Thought I had a header leak and spent hours retightening bolts. After some research, the stock Motorcraft oil filter doesn't allow leak down causing the lifters to be dry on cold starts. Goes away after oil pressure comes up.

MTF · Jun 1, 2016

This needs to be combine!

You guys need to read the whole other thread.
http://www.fordraptorforum.com/f39/6-2-intermittent-valve-train-ticking-noise-start-up-11677/

The 6.2L does not have lifters !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mobil 1 oil filters and most filters now a days does have the anti drain back!

03Cobraraptor · Jun 1, 2016

Vid should be visible just checked
I appreciate the input guys

Start up noise with video attached

03Cobraraptor

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weimer

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SchultzLD

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Dane

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Riddick

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MTF

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03Cobraraptor

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