2.2hdi running in or not | Motoring discussion | Back Room Forum

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Fri 29 Jun 2007 21:58

2.2hdi running in or not - stevie1234

Have now got completely new engine and turbo etc in my Fiat Ulysees, thanks for all the comments on my previous post (help with peugeot dealer)

Anyway, the car will apparently be returned to us next Tuesday, so how should we drive it. I have read about letting it warm up and then simmer down, but how should this new engine be treated? when should I have the oil changed? should I take it on a 3000 mile round trip one week after getting it back? If so should I stop regularly or is it better to just let it run?

Definately never want to go through another major failure on an HDi again.

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Fri 29 Jun 2007 23:48

2.2hdi running in or not - boxsterboy

I would follow HJ's tips on running in diesels (see FAQs). They seem to have worked fine for the diesels I have run in. Modern diesels can take quite a few miles before they fully loosen up. At least 5,000, generally nearer 10,000.

There is another school of thought that says don't bother, but personally I have more sympathy for mechanicals.

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Sat 30 Jun 2007 17:04

2.2hdi running in or not - injection doc

yep I would 2nd that. there is this myth that thrashing a diesel from day one makes it last forever,but at the end of the day its down to luck & a little sympathy. As I have already posted I am sympathetic towards a diesel but don't potter, I respect the mass's rotatingunder the huge stresses involved bearing in mind that most diesels will produce a massive amount more torque at 2000rpm than a petrol equivelent would do at 5000rpm. I have had more petrol cars with iether valve failure or headgasket failure or suffered camshaft wear than I have ever had with a diesel.

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