kv engine gremlins

irish80sport · 01-11-09, 12:31 AM

my 2.2 kv engine has a knocking noise in the bottom of it, its in and out of it all the time, any ideas whats wrong? mechanic cant pinpoint it. it taps for a minute or so then stops for another minute or so? im not happy, was just getting excited about getting the bloody thing on the road

And to make thinks worse my 80sports oil light flashes on for a second even though its full of oil

any thoughts would be much appreciated.

amanda · 01-11-09, 09:24 AM

Knocking at the bottom of the engine would indicated big end shells............but I am not a mechanic

steveb · 01-11-09, 01:54 PM

Sounds like a big end from your description if it is i do have a spare engine from a 1984 coupe

4v6 · 01-11-09, 03:25 PM

Could be a worn bottom end, but could be thrust washers are worn allowing the crank to float and knock.

Either way, needs fixing before it gets any worse.

irish80sport · 01-11-09, 07:26 PM

im hoping i wont need that new engine, im guessing postage would be a bitch to ieland

il just keep my fingers crossed that it goes out of it with a bit of a drive( unlikely, but it will make me sleep better tonight)

im guessing if i need bits for the engine audi wont have them?

vag80 · 01-11-09, 07:31 PM

that sounds like an engine rebuild coming on i wouldn't drive it till i found out were the knock is coming from

irish80sport · 01-11-09, 07:35 PM

sounds like big expense, mite just cut my loses and forget about it. its hard to pinpoint, i presumed when it was intermitent that it would be an obvious problem bu apperantly not!!!

BIGGYIN · 01-11-09, 07:50 PM

The only sure way,would be to strip and inspect.
I,ve had 4 KV engines(one with 175,000 mileage) and only had noisey tappets.
Unlucky for you,unless someone,s worked on yours and cocked up.Or its been badly treated,no oil and filter changes?

steveb · 01-11-09, 08:19 PM

most common fault is the oil pick up being blocked

irish80sport · 01-11-09, 08:31 PM

thought at first it was tappets, but its not, i only bought it and really dont know the history of it before it came to ireland the guy i bought it from had it stored in a shed for 2 or 3 years. exaust was busted so we didnt hear the tapping until it was fixed.

01-11-09, 09:24 AM	#2
amanda quattro hussie!! Classic Audi Club Member Join Date: Jul 2007 Location: doin' it on all fours!! Posts: 5,993	Knocking at the bottom of the engine would indicated big end shells............but I am not a mechanic __________________ Mystic blue m3 ghay hairdresser mobile 4 sheds 1 shopping trolley Gti RS6 ...my baby

01-11-09, 01:54 PM	#3
steveb Senior Member Classic Audi Club Member Join Date: Jul 2008 Location: West Berkshire Posts: 1,155	Sounds like a big end from your description if it is i do have a spare engine from a 1984 coupe __________________ [FONT] '76 Leyland Princess 2200 HLS '79 Scirocco storm '84 WR '89 coupe quattro '01 A2 1.4 TDI SE '14 A3 1.4 TFSI COD [/color][/size][/font]

01-11-09, 07:31 PM	#6
vag80 Senior Member Classic Audi Club Member Join Date: Oct 2008 Location: Bracknell Posts: 1,967	that sounds like an engine rebuild coming on i wouldn't drive it till i found out were the knock is coming from __________________ nothing like a bit of deep dish 200k club member 87-b3 80 83-4000 2 door

01-11-09, 08:19 PM	#9
steveb Senior Member Classic Audi Club Member Join Date: Jul 2008 Location: West Berkshire Posts: 1,155	most common fault is the oil pick up being blocked __________________ [FONT] '76 Leyland Princess 2200 HLS '79 Scirocco storm '84 WR '89 coupe quattro '01 A2 1.4 TDI SE '14 A3 1.4 TFSI COD [/color][/size][/font]

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01-11-09, 03:25 PM	#4
4v6 Ex Member Classic Audi Club Member Join Date: Dec 2007 Posts: 5,565	Could be a worn bottom end, but could be thrust washers are worn allowing the crank to float and knock. Either way, needs fixing before it gets any worse.

01-11-09, 07:26 PM	#5
irish80sport Grown up member Join Date: Dec 2008 Posts: 79	im hoping i wont need that new engine, im guessing postage would be a bitch to ieland il just keep my fingers crossed that it goes out of it with a bit of a drive( unlikely, but it will make me sleep better tonight) im guessing if i need bits for the engine audi wont have them?

01-11-09, 07:35 PM	#7
irish80sport Grown up member Join Date: Dec 2008 Posts: 79	sounds like big expense, mite just cut my loses and forget about it. its hard to pinpoint, i presumed when it was intermitent that it would be an obvious problem bu apperantly not!!!

01-11-09, 07:50 PM	#8
BIGGYIN 4 ring whore! Classic Audi Club Member Join Date: Mar 2009 Location: Merseyside Posts: 7,976	The only sure way,would be to strip and inspect. I,ve had 4 KV engines(one with 175,000 mileage) and only had noisey tappets. Unlucky for you,unless someone,s worked on yours and cocked up.Or its been badly treated,no oil and filter changes?

01-11-09, 08:31 PM	#10
irish80sport Grown up member Join Date: Dec 2008 Posts: 79	thought at first it was tappets, but its not, i only bought it and really dont know the history of it before it came to ireland the guy i bought it from had it stored in a shed for 2 or 3 years. exaust was busted so we didnt hear the tapping until it was fixed.