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warren



Member Since: 14 Oct 2009
Location: East Lancs.
Posts: 903

England 2009 Defender 90 Puma 2.4 HT Santorini Black
Driving Diesels Hard
I've heard a few people mention this now, so...

A mate of mine has had an Astra DTi from new, it's currently done 120k and is using quite a lot of oil. He's been told off a couple of people that it's because he hasn't driven it hard enough since new, and that diesels need a good thrash quite regularly otherwise it'll cause trouble in the long run.

Is this true? Do diesels really need some occasional redline-for-a-good-time to keep them healthy?

Should I be driving Big Black harder than I have been to keep it sweet in the long term? It's rarely gone above 3000rpm in it's 31000 miles
Post #64772 22nd Mar 2011 9:35pm
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mick



Member Since: 08 Feb 2010
Location: Yorkshire
Posts: 2109

England 2010 Defender 130 Puma 2.4 HCPU Rimini Red
Before I got the 130 I had a couple of VW transporters and a pal is head mechanic at VW and he told me to give it some boot to bed the valve seats in as they are so hard and that's why they use a fair bit of oil,
As for other makes not sure I give mine a fair bit of boot to get everything wound up on a daily basis but that's just me see an open road and off I go. Whistle
Post #64791 22nd Mar 2011 10:25pm
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pannawonica



Member Since: 21 Nov 2010
Location: Clackline Western Australia
Posts: 568

Australia 
Generally lightly loaded diesels have a tendancy to glaze up. This is usually evidenced through them blowing smoke away
from the traffic lights in the cityand using oil. Alot of these are Chelsea tractors as you might say.
Making a diesel work under load the rings begin to bite in the bores preventing this. Indeed this is what the are for.
However I don,t really know wether trashing the motor is actually a good thing! My TD5 Disco after a period of short runs
always ran alot more sweetly after a long run loaded up. Thumbs Up
Post #64809 23rd Mar 2011 1:35am
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AndrewS



Member Since: 10 Apr 2007
Location: Hereford
Posts: 3707

United Kingdom 2013 Defender 130 Puma 2.2 SW Rimini Red
I have driven diesels for years, vans and Land rovers, I average 30k - 40k per year. I am sympathetic to the engine but 'drive' them. I check the oil level and find that after the initial running in period I rarely have to add oil between services. 130's have feeling's as well you know Smile
Post #64810 23rd Mar 2011 1:52am
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T1G UP



Member Since: 08 Dec 2009
Location: Bath
Posts: 3101

England 2011 Defender 110 Puma 2.4 XS CSW Orkney Grey
when an engines new the rings need bedding in, but not under a massive ammount of load due to the bearings also being new.

So revs are ok, not high load when new. Very interesting thing when looking at warming an engine up. Watch the F1 engines when they start first time, loads of revs 10-15,000 rpm for a ew seconds, then they switch off! that lets the heat disipate through the block and al the mechanicalls evenly.

Warming up and cooling down are very important but all my dervs get driven
Post #64831 23rd Mar 2011 8:41am
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noworries4x4



Member Since: 24 Dec 2010
Location: Newton Abbot Devon
Posts: 1195

England 
Same here always drive nice and gently throught the village to warm it up and also wind down to cool the turbo down but always make it pull and work hard but i dont thrash it high revs very often, but foot to the floorboards up hills ect, When towing long distance i back off so as not to overheat turbo ect If everything is under control you are not going fast enough.

Every Day 16 MY Discovery 4 Commercial Workshop and Escort Vehicle
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Post #64884 23rd Mar 2011 8:53pm
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