Member Since: 31 Dec 2009
Location: Cotswolds
Posts: 151
Urgent Feedback - Time to replace Inlet Manifolds on D4
Hi guys,
I have been given the dreaded news that my blowing and Restricted Performance is down to a split inlet manifold. The specialist I have it in with says they will replace both whilst they are out, which sounds prudent, but have quoted 18 hours labour... I know it is body off (for most) but 18 hours sounds horrendous.
Any experiences or suggestions on whether this is correct or realistic?
18 hours.....!!!!
Thank you in advance, I need to make a decision on what to do with them asap.
25th Apr 2019 11:32 am
Disco_Mikey
Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20727
Not a body off job. One side is 7 hours, the other 5
Member Since: 31 Dec 2009
Location: Cotswolds
Posts: 151
Thanks Pal, was thinking 18 hours is a little too much....
25th Apr 2019 12:57 pm
Sheepy
Member Since: 20 Feb 2013
Location: Bedfordshire
Posts: 630
I had mine done about a year ago, was a similar time to what Mikey says, and wasn't a body-off job either!
25th Apr 2019 2:17 pm
DiscoJeffster
Member Since: 27 Feb 2016
Location: Perth
Posts: 204
I recently did the LHS one myself, body on. It took me longer than the pros but wasn't difficult. Well not once I worked out how the injector fuel return/bypass connectors come off! Lost an hour staring, pulling, prodding until I finally worked it out.
25th Apr 2019 2:38 pm
Scott #55
Member Since: 15 Apr 2015
Location: Glasgow
Posts: 1664
My favourite indy says it's not a body off job either.2014 - D4 2010 HSE Nara Bronze
2012 - FL2 2009 GS Stornoway Grey
2001 - VW Passat Estate Inky Blue
1999 - Ford Mondeo Light Blue
1998 - Rover 25 Red
25th Apr 2019 2:49 pm
sasdiscos
Member Since: 22 Feb 2013
Location: Northants
Posts: 886
Sorry to be ignorant but is this a matter of when not if? Is it a heat thing that causes them to crack?
SteveYou remind me of a younger me, not much younger mind...perhaps even a little older!
25th Apr 2019 9:39 pm
Bardley
Member Since: 02 May 2018
Location: Hertfordshire
Posts: 439
The originals seemed to have a manufacture or strength in design issue.
It's a known problem.
On the bright side, once changed, the new ones should not give any more trouble.
I had both R/L fitted within a year when they split.2011 MY D4 HSE
Previously 2001 D2 TD5, 1996 D1 300Tdi, 1985 90 2.2 petrol.
Bikes! KTM, BMW, British, Classics and others.
25th Apr 2019 10:52 pm
DiscoJeffster
Member Since: 27 Feb 2016
Location: Perth
Posts: 204
I'm not convinced they won't crack again. While they have undergone numerous revisions, I am still sceptical. Though that said, as they tend to last around 100,000 miles, how many vehicles will make it to twice that without a crank failure
26th Apr 2019 3:41 am
Bardley
Member Since: 02 May 2018
Location: Hertfordshire
Posts: 439
Agreed, tho' it seems some are making it post 200k already.
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