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Topic: Engine tapping noise (Read 1218 times) |
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Chriselec
Newbie
Scorpio 2.3 Ultima (facelift 98)
  
Posts: 34
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Engine tapping noise
« on: Feb 23rd, 2010, 12:54pm » |
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My 1998 2.3 face-lift has developed a loud tapping noise when I accelerate, the engine has done 153,000 miles. The local mechanic has said it is the big end bearing and will need an engine rebuild, costing over £2000, I am thinking of getting a second opinion. Any other suggestion's on what else could be wrong, anybody.
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: Engine tapping noise
« Reply #1 on: Feb 23rd, 2010, 2:33pm » |
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Big end bearing is normally more of heavy knock than a tapping....Tapping is usually associated with the valves 
Could be something as simple as a loose spark plug though.....a loose plug can produce a rather loud tapping noise when revving/accelerating 
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gozz
Senior Member
Been around awhile
Posts: 3475
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Re: Engine tapping noise
« Reply #2 on: Feb 23rd, 2010, 2:34pm » |
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It is difficult to make a diagnosis without at least hearing it.A worn big end can be made to rattle by blipping the throttle or revving to about 2000 rpm and holding the engine off load.Whatever it is, repairs will not be cheap,the best thing to do is to obtain another engine from a trustworthy breaker,they charge about £200,but make sure it's still in the car and can be heard running,it's no good buying one that is an unknown quantity,even if it's guaranteed someone's got the bother of changing it twice if it's duff.
GOZZ.
ps I've just seen Jonnycabs advice which is all very true,a knocking big end is very distinctive,so if your spanner man is of the old school he'll know the sound.
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Scorpio_Mike
Senior Member
Jeep Grand Cherokee 3.0 V6 & 2.8 Sierra XR4i 4x4
Posts: 2354
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Re: Engine tapping noise
« Reply #3 on: Feb 23rd, 2010, 2:36pm » |
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For £2k I would definately be seeking a second opinion 
Secondhand engines can be picked up for maybe £100 - £150.
You might even want to consider getting a complete car ( MOT failure ? ) for spares if you have the space.
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Sierra XR4i's are great...especially when fitted with 4WD
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Chriselec
Newbie
Scorpio 2.3 Ultima (facelift 98)
Posts: 34
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Re: Engine tapping noise
« Reply #4 on: Feb 23rd, 2010, 2:56pm » |
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Many thanks for all your quick replies. When I am driving the car at a constant speed I can hear nothing, its only when I accelerate I hear the tapping, also when I rev the engine at 2000 rpm there is no noise, its sounds like the noise I remember having on the older engines when unleaded petrol started to come on the market, I must admit, it does sound like I tappet.
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Snoopy
Administrator
Very old.BAD tempered and missing friends.
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Re: Engine tapping noise
« Reply #5 on: Feb 23rd, 2010, 3:09pm » |
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PINKING come to mind if it is under acceleration..... JC knows more about this that I do! 
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martin_rowe
Full Member
I love YaBB 1G - SP1!
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Re: Engine tapping noise
« Reply #6 on: Feb 23rd, 2010, 4:13pm » |
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Cracked ex manifold.
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: Engine tapping noise
« Reply #7 on: Feb 23rd, 2010, 4:18pm » |
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It could be pinking if it's only doing it under load, although this gives more of a rattling sound.
My 2.3 used to suffer bad pinking, caused by a dodgy camshaft sensor
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Chriselec
Newbie
Scorpio 2.3 Ultima (facelift 98)
Posts: 34
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Re: Engine tapping noise
« Reply #8 on: Feb 23rd, 2010, 4:44pm » |
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Yes Snoopy, that was it, Pinking, well that's what it sounds like, loud pinking. It looks like I will have to take it to another garage for a second opinion, hopefully it wont cost to much, I have had the car for over six years, it was photographed at the Weston Super Mare meet many years ago with three other Cuirass Blue Scorps, so it means a lot to keep it on the road, everything works on it except the heated seats, they gave up this winter, just when you need them.
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scorpio_man
Administrator
Ford Kuga awd
Posts: 5654
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Re: Engine tapping noise
« Reply #9 on: Feb 23rd, 2010, 4:58pm » |
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hi there
could also be the cat rattling.
hth
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Chriselec
Newbie
Scorpio 2.3 Ultima (facelift 98)
Posts: 34
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Re: Engine tapping noise
« Reply #10 on: Feb 23rd, 2010, 5:44pm » |
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Thank you, I will get all your suggestions checked out, hope its not to bad.
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PJDavis
Senior Member
2 x 1995 Jag X300 3.2 / 4.0 (Henley) 1957 XK140
Posts: 1474
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Re: Engine tapping noise
« Reply #11 on: Feb 24th, 2010, 12:28am » |
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Blasted Garages......Eh...... who would trust them? I keep going to my local dealer and TELLING the storeman that such and such is still available, or so and so has only to be requested by him to get from Ford, he now 'tuts' and looks it up properly! Amazing, he can get it! They just don't try. As for charges, I would use a trusted small garage, to MOT my car so long as they understand the 'older' vehicle codes for MOT. Main dealers don't give a monkeys about anything older than 2 years, pish they are! But you can bet yer erse, that the same 'Main-Dealer' was happy to sell that car ten years ago for £20k giving all the promises required about how the car would last a 'life-time'! Dildos!
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1995 Jaguar XJ6 X300 3.2 (Henley)
1995 Jaguar XJ6 X330 4.0 (Dopey)
1957 Jaguar XK140 USA (converted to RHD, and to have fitted Mk10 420G Engine with BW 65 Auto Trans)
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gozz
Senior Member
Been around awhile
Posts: 3475
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Re: Engine tapping noise
« Reply #12 on: Feb 24th, 2010, 12:37am » |
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That's right PJD,they can't shift many now though,so they rip you off for repairs after a valiant attempt to blind you with science,they've even tried it on me 
GOZZ.
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Snoopy
Administrator
Very old.BAD tempered and missing friends.
Posts: 6278
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Re: Engine tapping noise
« Reply #13 on: Feb 24th, 2010, 7:29am » |
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Your heated seats not working is most likely the relay has given up and that is situated in the centre consul it is a small yellow one taking the feed of the cigar lighter circuit.
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Malcolm73
Full Member
Posts: 137
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Re: Engine tapping noise
« Reply #14 on: Feb 24th, 2010, 3:09pm » |
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Hello Chris,
Although unlikely, pinking has been suggested.
Honest John who writes in the Telegraph believes that top quality fuel will improve engine performance
Why not run your fuel tank to a low level and then try a couple of tanks of Shell V.Power.
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Tekno
Full Member
Tenho Ruohoranta
Posts: 599
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Re: Engine tapping noise
« Reply #15 on: Feb 24th, 2010, 7:31pm » |
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Why my 2.3 sounds like a diesel?
turn up the volume and hear: http://ruohoranta.fi/files/230210.avi
Is that tapping, pinking, rattling, klacking or what
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1998 Ford Scorpio Ultima Estate 2.3i 16V
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emptypockets
Junior Member
I'm a YaBB newbie!
Posts: 71
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Re: Engine tapping noise
« Reply #16 on: Mar 8th, 2010, 2:43pm » |
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Hi.
Your car makes exactly the same noise as my 2.3 first thing in the morning. With mine it goes away after a few minutes. I have tried Top End Treatment from Forte with no difference to the noise but engine a bit smoother.
If only your weather went away after a few minutes I bet you would be a much happier guy!
Cheers.
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John
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Chriselec
Newbie
Scorpio 2.3 Ultima (facelift 98)
Posts: 34
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Re: Engine tapping noise
« Reply #17 on: Mar 13th, 2010, 12:24am » |
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Hi John,
I might try some oil treatment, my noise gets increases when the engine warms up. I am waiting for a mechanic to come and have listen. Some are saying it could be the big end bearings  !
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emptypockets
Junior Member
I'm a YaBB newbie!
Posts: 71
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Re: Engine tapping noise
« Reply #18 on: Mar 16th, 2010, 10:09pm » |
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Hi.
If it increases don't waste money on an additive. It is almost certainly a repair job.
Good Luck.
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John
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