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 T4 engine rattle....

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renegade67
DBS Old Timer
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renegade67

Male Number of posts : 2672
Age : 53
Location : WSM
My Ride(s) : 2013 T5.5 180ps DSG kombi, 1972 Classic Range Rover,
Registration date : 2006-08-20

T4 engine rattle.... Empty
PostSubject: T4 engine rattle....   T4 engine rattle.... EmptyMon Jul 11, 2011 5:01 pm

....does anyone know if my T4's (5 cylinder/2.5lt) engine has hydraulic tappets Question
if so what can I add (if anything) to the engine oil to stop them rattling when I accelerate hard @ about 65-80mph
or do they need replacing?? Sad
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Mr Scoops
DBS Top Tater
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Mr Scoops

Male Number of posts : 38009
Age : 46
Location : Weston super Dooper
My Ride(s) : 1991 Vanagon GL Westfalia 2.1: 2011 A3 S-Line
Registration date : 2006-08-19

T4 engine rattle.... Empty
PostSubject: Re: T4 engine rattle....   T4 engine rattle.... EmptyMon Jul 11, 2011 5:30 pm

Is it only when accelerating from 65mph or does it rattle initially from cold startup too?

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T4 engine rattle.... Pbucket
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nomates
DBS Top Tater
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nomates

Male Number of posts : 18609
Age : 47
Location : weston-s-mare
My Ride(s) : 1967 fridolin and 1966 (award winning-and yea i am being gay) ghia and 1960 bubble car
Registration date : 2006-11-19

T4 engine rattle.... Empty
PostSubject: Re: T4 engine rattle....   T4 engine rattle.... EmptyMon Jul 11, 2011 6:55 pm

how many miles has it done?
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renegade67
DBS Old Timer
DBS Old Timer
renegade67

Male Number of posts : 2672
Age : 53
Location : WSM
My Ride(s) : 2013 T5.5 180ps DSG kombi, 1972 Classic Range Rover,
Registration date : 2006-08-20

T4 engine rattle.... Empty
PostSubject: Re: T4 engine rattle....   T4 engine rattle.... EmptyMon Jul 11, 2011 7:03 pm

Mr Scoops wrote:
Is it only when accelerating from 65mph or does it rattle initially from cold startup too?

Only when I accelerate hard @ speed, and its done 139, 947 miles, should also mention its petrol, if that helps Smile
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nomates
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nomates

Male Number of posts : 18609
Age : 47
Location : weston-s-mare
My Ride(s) : 1967 fridolin and 1966 (award winning-and yea i am being gay) ghia and 1960 bubble car
Registration date : 2006-11-19

T4 engine rattle.... Empty
PostSubject: Re: T4 engine rattle....   T4 engine rattle.... EmptyMon Jul 11, 2011 7:19 pm

could it be diesel knock rather than tappets? ......the faster you go the more oil pressure ,the more worn tappets become quiet .......


best talk to baja 69 he knows his onions when it comes to modren engines and disaels
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renegade67
DBS Old Timer
DBS Old Timer
renegade67

Male Number of posts : 2672
Age : 53
Location : WSM
My Ride(s) : 2013 T5.5 180ps DSG kombi, 1972 Classic Range Rover,
Registration date : 2006-08-20

T4 engine rattle.... Empty
PostSubject: Re: T4 engine rattle....   T4 engine rattle.... EmptyMon Jul 11, 2011 7:30 pm

nomates wrote:
could it be diesel knock rather than tappets? ......the faster you go the more oil pressure ,the more worn tappets become quiet .......


best talk to baja 69 he knows his onions when it comes to modren engines and disaels


on a petrol engine Suspect
the reason why I ask about if its tappets is becasuse I once had an opel kadett that did the same, and it turned out that was worn tappets, replaced with new, and the noise stopped.


Last edited by renegade67 on Mon Jul 11, 2011 7:43 pm; edited 1 time in total
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big dave
DBS Old Timer
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big dave

Male Number of posts : 1744
Age : 43
Location : W-s-M
My Ride(s) : 72 type 1 for sale, 67 Ragtop,
Registration date : 2009-03-09

T4 engine rattle.... Empty
PostSubject: Re: T4 engine rattle....   T4 engine rattle.... EmptyMon Jul 11, 2011 7:41 pm

when was the cambelt done last, could be the tensioner,

If it was tappets it would be constant and worse from cold
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renegade67
DBS Old Timer
DBS Old Timer
renegade67

Male Number of posts : 2672
Age : 53
Location : WSM
My Ride(s) : 2013 T5.5 180ps DSG kombi, 1972 Classic Range Rover,
Registration date : 2006-08-20

T4 engine rattle.... Empty
PostSubject: Re: T4 engine rattle....   T4 engine rattle.... EmptyMon Jul 11, 2011 7:46 pm

big dave wrote:
when was the cambelt done last, could be the tensioner,

If it was tappets it would be constant and worse from cold

no idea, I will pm Type25dan and ask if he knows
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nomates
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nomates

Male Number of posts : 18609
Age : 47
Location : weston-s-mare
My Ride(s) : 1967 fridolin and 1966 (award winning-and yea i am being gay) ghia and 1960 bubble car
Registration date : 2006-11-19

T4 engine rattle.... Empty
PostSubject: Re: T4 engine rattle....   T4 engine rattle.... EmptyMon Jul 11, 2011 8:02 pm

ah petrol ....... lol! ......sorry
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Mr Scoops
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Mr Scoops

Male Number of posts : 38009
Age : 46
Location : Weston super Dooper
My Ride(s) : 1991 Vanagon GL Westfalia 2.1: 2011 A3 S-Line
Registration date : 2006-08-19

T4 engine rattle.... Empty
PostSubject: Re: T4 engine rattle....   T4 engine rattle.... EmptyMon Jul 11, 2011 8:04 pm

big dave wrote:
when was the cambelt done last, could be the tensioner,

If it was tappets it would be constant and worse from cold

Defo be bad from cold.

Remember the old Ford CVH's

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T4 engine rattle.... Pbucket
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Road Rage
DBS Old Timer
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Road Rage

Male Number of posts : 4830
Age : 47
Location : Highbridge
My Ride(s) : 1972 Bay; Shitroen C4
Registration date : 2008-04-28

T4 engine rattle.... Empty
PostSubject: Re: T4 engine rattle....   T4 engine rattle.... EmptyMon Jul 11, 2011 8:32 pm

i would assume a petrol vehicle of this age would have hydraulic lifters
without hearing the noise its impossible to tell
you can try an engine flush and new oil and filter
if it is the lifters then the only sure repair is to remove and replace
as you want to sell the van i wouldnt be too worried unless its so bad that it would put off a buyer.
the proper repair would be to replace the lifters and if necessary the camshaft as well. i would also recommend a new timing belt unless it is very recent

as the noise is when you accelerate hard i would also suspect its more likely to be pre ignition or pinking. this is usually down to incorrect fuel rating or faulty knock sensor (if fitted). bung some super unleaded in and see if it improves.

finally, has it always done this or is it a new fault?

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Even split screens had high indicators Wink

T4 engine rattle.... B9d2fd24
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renegade67
DBS Old Timer
DBS Old Timer
renegade67

Male Number of posts : 2672
Age : 53
Location : WSM
My Ride(s) : 2013 T5.5 180ps DSG kombi, 1972 Classic Range Rover,
Registration date : 2006-08-20

T4 engine rattle.... Empty
PostSubject: Re: T4 engine rattle....   T4 engine rattle.... EmptyMon Jul 11, 2011 8:44 pm

big dave wrote:
when was the cambelt done last

just checked service record, and it was done on 26/11/2006, @117,000 miles
does it need doing again now then Question Question

edit - I will try the better fuel option 1st and see what happens
but to answer your other Q, its done it since I have owned it, not sure if b4 that
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Mr Scoops
DBS Top Tater
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Mr Scoops

Male Number of posts : 38009
Age : 46
Location : Weston super Dooper
My Ride(s) : 1991 Vanagon GL Westfalia 2.1: 2011 A3 S-Line
Registration date : 2006-08-19

T4 engine rattle.... Empty
PostSubject: Re: T4 engine rattle....   T4 engine rattle.... EmptyMon Jul 11, 2011 8:49 pm

Mileage wise your cam belt is fine, not sure if they need to be done on a timescale too.

That should have been the second time the belt was changed.

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T4 engine rattle.... Pbucket
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renegade67
DBS Old Timer
DBS Old Timer
renegade67

Male Number of posts : 2672
Age : 53
Location : WSM
My Ride(s) : 2013 T5.5 180ps DSG kombi, 1972 Classic Range Rover,
Registration date : 2006-08-20

T4 engine rattle.... Empty
PostSubject: bloody rattle.....   T4 engine rattle.... EmptyMon Oct 24, 2011 7:49 pm

.....it's getting right on my nerves, I have tried several tanks of premium fuel, as well as redex in the tank, but it still persists.

Is replacing the tappets the only remaining option, and if so is it an easy or pain in the arse job Question Question and what sort of timescale am I looking at Question
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nomates
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nomates

Male Number of posts : 18609
Age : 47
Location : weston-s-mare
My Ride(s) : 1967 fridolin and 1966 (award winning-and yea i am being gay) ghia and 1960 bubble car
Registration date : 2006-11-19

T4 engine rattle.... Empty
PostSubject: Re: T4 engine rattle....   T4 engine rattle.... EmptyMon Oct 24, 2011 8:12 pm

rubber belts do perish with time ......so all cam belts will have a milage / age replacement on them .....


however i cannot agree that this would cause your problem , small end bearings may cause this ,and so would 'off' timing ....pinking ect ....but i would also expect this noise to be present before 65-80 mph .....its 'under load' as you state its apparent when you acellerate hard

I need more 'clues' does it ever do it at any other time / speed? ,has the oil been changed recently ? is the clutch noisey....even slightly and gets better when pedal is depressed?

are you convinced the rattle is from engine?
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renegade67
DBS Old Timer
DBS Old Timer
renegade67

Male Number of posts : 2672
Age : 53
Location : WSM
My Ride(s) : 2013 T5.5 180ps DSG kombi, 1972 Classic Range Rover,
Registration date : 2006-08-20

T4 engine rattle.... Empty
PostSubject: Re: T4 engine rattle....   T4 engine rattle.... EmptyTue Oct 25, 2011 2:40 pm

nomates wrote:
I need more 'clues' does it ever do it at any other time / speed? ,has the oil been changed recently ? is the clutch noisey....even slightly and gets better when pedal is depressed?

are you convinced the rattle is from engine?

It doesn't rattle at any other time apart from when accelerating hard over 65mph, oil was changed earlier this year, and recently had a partial refill(2litres), no clutch as its an auto, the noise appears to be coming from the front around the engine, but difficult to tell without being closer to engine, specially at that speed affraid I thought it may have been a heat shield, but have had that checked out and eliminated, also there are no other obvious loose items underneath.

any other idea's Question Question
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