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engine tappet noise


 
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eyetye54
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Age: 66
Zodiac: Virgo
Joined: 26 Aug 2016
Posts: 11
Location: South Africa

PostPosted: Mon Feb 17, 2020 5:58    Post subject: engine tappet noise Reply with quote

Hi All,
had the EVO engine partially rebuilt ,replaced complete right cylinder head , pistons and camshaft sensor.
adjusted tappets in 0.15mm and out 0.20mm.
Cannot stop the awful "sewing machine" noise coming from engine. (tappets) ?
I have a recording of the engine sound and can send to  anyone that can  give me suggestions ?
Thank you
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4ePikanini
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Age: 36
Zodiac: Leo
Joined: 25 Mar 2010
Posts: 421
Location: South Africa

PostPosted: Mon Feb 17, 2020 6:51    Post subject: Re: engine tappet noise Reply with quote

eyetye54 wrote:
Hi All,
had the EVO engine partially rebuilt ,replaced complete right cylinder head , pistons and camshaft sensor.
adjusted tappets in 0.15mm and out 0.20mm.
Cannot stop the awful "sewing machine" noise coming from engine. (tappets) ?
I have a recording of the engine sound and can send to  anyone that can  give me suggestions ?
Thank you


What engine code?

The 4m41 clearances are

intake 0.10mm
exhaust 0.15mm
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eyetye54
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Age: 66
Zodiac: Virgo
Joined: 26 Aug 2016
Posts: 11
Location: South Africa

PostPosted: Mon Feb 17, 2020 12:38    Post subject: engine code Reply with quote

hi,

6G74 Mivec DOHC 3500 V6 , V55W
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4ePikanini
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Age: 36
Zodiac: Leo
Joined: 25 Mar 2010
Posts: 421
Location: South Africa

PostPosted: Tue Feb 18, 2020 6:20    Post subject: Re: engine code Reply with quote

eyetye54 wrote:
hi,

6G74 Mivec DOHC 3500 V6 , V55W


That's hydraulic tappets
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eyetye54
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Age: 66
Zodiac: Virgo
Joined: 26 Aug 2016
Posts: 11
Location: South Africa

PostPosted: Tue Feb 18, 2020 11:32    Post subject: Reply with quote

hi ,according to the mechanics ,no hydraulics but screw adjusted on the EVO.
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Ristom
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Age: 44
Zodiac: Scorpio
Joined: 01 Apr 2021
Posts: 3
Location: Estonia

PostPosted: Thu Apr 01, 2021 22:04    Post subject: Reply with quote

Hello! Paj Evo (6G74mivec) tappet adjustment. Yes-It has screws not plungers. Cold engine inlet lash 0.10mm exhaust 0.13mm. You can see the process of setting valve lash on youtube. Search: valve lash setting mivec FTO. It is not the same engine but all steps are the same. Use  Cold engine inlet lash 0.10mm exhaust 0.13mm. Hope it helps!
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