displaying posts 26 to 38 of 38

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Author Subject: unidentified engine noise
allye

Regular

Location: Devizes

Registered: 05 May 2011

Posts: 204

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Post #26
Never has the expression "bag of nails" been more appropriate!

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205 Van SC'd GTI6 - because why not
309 Goodwood V6 - sold
205 Rallye GTI6 - Bent
Posted 22nd Feb 2016 at 14:48
Puggered

Junior User

Location: under Down under

Registered: 18 Jan 2013

Posts: 78

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Post #27
allye wrote:
Never has the expression "bag of nails" been more appropriate!


only one? LOL
Posted 22nd Feb 2016 at 23:04
Puggered

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Post #28
Bump Wink

so having a bit of time spare I got on to pulling the head off and was greeted by this.




So riddle me this, why only 2 valves in 1 cylinder?
Incidentally, they're not bent either. I've put them in the lathe and they're perfectly straight.

So I went a looking further down and into the bowels.
hmmmm! well that's just disappointing, me thinks they not mean't to look like this.





Surprisingly the crank mics up pretty good and only needs a polish.
The same can't be said for the rod though Thumbs down
Posted 28th May 2016 at 07:50
cully

Seasoned Pro

Location: Cullompton

Registered: 12 Jun 2013

Posts: 1,093

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Post #29
oooow
I'm guessing that engine has drunk some water
Posted 28th May 2016 at 08:08
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,817

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Post #30
just spun a bearing, check the crank is still straight

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Posted 28th May 2016 at 09:51
cully

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Location: Cullompton

Registered: 12 Jun 2013

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Post #31
welshpug! wrote:
just spun a bearing,


ah yes i can see the bearing tabs are missing now Thumbs up
Posted 28th May 2016 at 10:14
Puggered

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Post #32
Yeah it's spun alright.
There's nearly 3/4 mm clearance in the cap
Posted 28th May 2016 at 13:24
armzsc6

Seasoned Pro

Location: Crowborough

Registered: 22 Mar 2008

Posts: 3,445

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Post #33
Haha only just watched your video it's the change in volume of the noise when rev'd that gives away it's probably bottom end related. I've owned a tapper before and it ticked just as loud at low revs as it did at higher revs didn't increase or decrease at all as was just valve rattling in the guide not crank journal being thrown around haha. Has it oval'd the cap or is it just where the shall has warn as it's spun?

________________________________________

Black power baby! SUUUUUPERCHARGED Superman
Seat Leon FR TDI 190BHP 300lbft daily gti-6 killer :p
12x 306's owned so far

Cambelts, clutches, service work carried out on All makes and models, Peugeot Citroen / mitsubishi specialist.
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Posted 1st Jun 2016 at 13:50
Puggered

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Post #34
Well technically speaking it was a tapper, it's just the reason behind the tapping wasn't because the valves were bent or the guides damaged.
I haven't measured the cap and rod yet but it has a nasty sharp edge around the bearing tunnel.
You could move the rod about 3/4 mm on the crank.
If I can't find a standard rod, I'll have to put some carillo rods and ppm pistons in it, which seems a bit of a waste for a standard engine.
Posted 2nd Jun 2016 at 07:16
armzsc6

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Location: Crowborough

Registered: 22 Mar 2008

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Post #35
I got an engine in the garage with major head gasket fail rods should be ok tho not sure about shipping cost though...

________________________________________

Black power baby! SUUUUUPERCHARGED Superman
Seat Leon FR TDI 190BHP 300lbft daily gti-6 killer :p
12x 306's owned so far

Cambelts, clutches, service work carried out on All makes and models, Peugeot Citroen / mitsubishi specialist.
Pug planet / Citroen Lexia diagnostics / code reads available.
Posted 2nd Jun 2016 at 13:22
Puggered

Junior User

Location: under Down under

Registered: 18 Jan 2013

Posts: 78

Status: Offline

Post #36
I'll keep that in mind.
Shipping to the arse end of the world tends to be rather expensive unfortunately, that and our dollar only being worth . . . . well nothing. Thumbs down
Posted 3rd Jun 2016 at 02:10
gnrlee Forum Admin

Location: Leeds

Registered: 20 Aug 2005

Posts: 8,878

Status: Offline

Post #37
offer someone free accomodation holiday as long as they bring all the internal parts you need with them! Hyper

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Proud Member of the ASTOR Owners Club
Posted 3rd Jun 2016 at 09:55
Puggered

Junior User

Location: under Down under

Registered: 18 Jan 2013

Posts: 78

Status: Offline

Post #38
welshpug! wrote:
just spun a bearing, check the crank is still straight


Not just a spun bearing so it turns out, crank is bent and #3 journal is .8mm worn.
Also looks like the engine has been cooked at some stage.


gnrlee wrote:
offer someone free accomodation holiday as long as they bring all the internal parts you need with them! Hyper


Bring me a crank and some rods then. I have plenty of spare beds Big grin
Posted 5th Jun 2016 at 14:57

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