engine tapping noise - Engines Forum - Peugeot 306 GTi-6 & Rallye Owners Club

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Subject: engine tapping noise

wayne-o-mac_123

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Location: ripon

Registered: 24 Jan 2012

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Post #1

after reading loads of threads on here about 'tapper' engines i was worried that mine is 1,
however when i first got the car it only tapped after a good drive out, which made me think that as the oil gets thinner that it could possibly be a lazy tappet,
so i changed the oil to 15/40 in the advice from the a local garage but made no difference.

if i start it up in the morning and it tapps very loud by the time ive had a slow drive to work say 10miles it's quitened down completley.

hope it all make sense does anyone know if it could be the tappets??

Posted 27th Feb 2012 at 19:05

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swiftyboi006

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Post #2

Yes mate most likely to be a lazy 1. Depending on how much you know about cars check if the cam has sliped. If none of these then the injectors can tend to make a tapping sound as they get old.

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Posted 27th Feb 2012 at 19:21

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wayne-o-mac_123

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Post #3

yeah i've already changed the injectors, coil packs and plugs to cure a slight missfire that it had, it's going to get a compression test on friday just to make sure it's not a bent valve but it runs sweet and flys so hoping it wont be that.

so if it's just a lazy tappet whats the best thing to do for it, maybe run some treatment through and see it that clears it or just leave it, it's just really annoying when your sat at a junction or traffic lights and can see people pulling a face at the noise lol

Posted 27th Feb 2012 at 19:33

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darkgti6

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Post #4

wayne-o-mac_123 wrote:

, it's going to get a compression test on friday just to make sure it's not a bent valve l

that wont show it up - the double valve springs will see to that.

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Posted 27th Feb 2012 at 19:39

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wayne-o-mac_123

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Post #5

ah right didnt know that, is the only way to take the head off and strip it all down then?

Posted 27th Feb 2012 at 19:44

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swiftyboi006

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Post #6

Pretty much mate. Checking the valves you need to spin them in a fixed drill realy

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Posted 28th Feb 2012 at 08:56

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adam b

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Post #7

I wasn't aware these engines ever had sticking or lazy tappets. They are very rarely an issue.

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Posted 28th Feb 2012 at 09:16

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welshpug!

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Post #8

indeed, quite rare but can happen.

pop the cam covers off and give the tappets a poke with a non metallic object, see if any move easily.

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Posted 28th Feb 2012 at 09:51

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aaron6

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Post #9

I got a lazy tappet. Sound like a bent valve sometimes for a couple of minutes when cold but then it goes completely. As said, is rare but can happen. Smile

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Posted 28th Feb 2012 at 10:15

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welshpug!

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Post #10

a good ragging then a quick oil change with decent oil like total Quarts 7000 or 9000 should sort it most of the time,

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Posted 28th Feb 2012 at 10:22

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smegal

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Post #11

wayne-o-mac_123 wrote:

A compression test won't show up a bent valve on ours. Mine gave good results but had 2 visibly bent valves, you could see on them how they weren't seating.

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Posted 28th Feb 2012 at 11:29

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adam b

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Post #12

welshpug! wrote:

a good ragging then a quick oil change with decent oil like total Quarts 7000 or 9000 should sort it most of the time,

That would be Quartz then Whistle

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Posted 28th Feb 2012 at 11:49

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welshpug!

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Post #13

yup, keydoarb failz

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Posted 28th Feb 2012 at 11:56

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wayne-o-mac_123

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Post #14

aaron6 wrote:

I got a lazy tappet. Sound like a bent valve sometimes for a couple of minutes when cold but then it goes completely.

mines weirdly the opposite of this it normally starts quiet but after a hard drive it then really starts tapping loud, then by the next morning is quiet again, surely there can't be much else top end that can tap apart from valves and tappets is there?
it's just had n oil change to 15/40 and does seem a little bit worse... do you think i would be better going back to 10/40 quartz then?

Posted 28th Feb 2012 at 20:24

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welshpug!

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Post #15

get a vid of the noise, does it come and go when you rev it?

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Posted 28th Feb 2012 at 20:28

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wayne-o-mac_123

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Post #16

when it's loud it's there all the time right throught the rev range it just gets harder to hear as the exhaust drowns it out, but after watching a few 'tapper' video's the sound of mine is definatley much louder than those,

like i say it doesnt affect it performance wise but i'm very cautious incase something goes on it

how do i go about getting a video on here do i need to open an account of photo bucket etc?

Posted 28th Feb 2012 at 20:32

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honestly3k

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Post #17

You will need to host the video on Photobucket yeah and post the link on here

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Posted 28th Feb 2012 at 20:35

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wayne-o-mac_123

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Post #18

http://s1052.photobucket.com/albums/s444/wayne-o-mac_123/?action=view&current=001.mp4

couldn't get a vid of it tapping but it's now started with another worrying noise, you can hear it most as the camera is near the front grill, like a bearing is going but cant work out exactly where it's coming from, hoping it's not cambelt tensioner of pulleys,
if any one can shed any light on it would be much appreciated
cheers

sorry wrong video its this one:http://s1052.photobucket.com/albums/s444/wayne-o-mac_123/?action=view&current=001.mp4

Posted 29th Feb 2012 at 20:16

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swiftyboi006

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Post #19

A video with the bonnet up maybe a good idea Thumbs up

the reason it gets louder at the grill is because thats where the engine is

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Posted 29th Feb 2012 at 20:32

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wayne-o-mac_123

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Post #20

the 1st link at the top of the post is with bonnet up

Posted 29th Feb 2012 at 20:37

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swiftyboi006

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Post #21

Have another check because that sounds like a plug has come loose

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Posted 29th Feb 2012 at 21:11

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swiftyboi006

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Post #22

And im pretty sure both them vids are the same.
clicky

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Posted 29th Feb 2012 at 21:21

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wayne-o-mac_123

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Registered: 24 Jan 2012

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Post #23

definatley isn't a loose plug i checked them first after reading it might be that and they were all tight

Posted 29th Feb 2012 at 21:22

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swiftyboi006

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Post #24

Well as a start you can take off the aux belt then start it to see if its a pulley on there.

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Posted 29th Feb 2012 at 21:29

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wayne-o-mac_123

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Registered: 24 Jan 2012

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Post #25

here is a video i managed to get today with the tapping at it's worst: http://s1052.photobucket.com/albums/s444/wayne-o-mac_123/?action=view&current=019.mp4

does this sound like a tappet to you guys or a bent valve noise?

Posted 5th Mar 2012 at 18:32

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