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post #1 of 5 (permalink) Old 29th June 2006 Thread Starter
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Exclamation laguna to lagrunda

have oct 2003 laguna 1.9 Dci initiale sports tourer that I have had less than three months - mileage is 78k, last services 6000 miles ago. Have had a couple of issues resolved, the worst being now as have been told by renault dealer who took over 4 hours to diagnose, that it needs a new injector (only one and not the four), the bill is going to be in excess of 600, (cos of the diagnosis time apparently) I now need to decide whether to keep or sell - does anyone know if I am on the rocky road to loads of problems or should I take a risk and stay with it as it is smashing car when it works. The last service at 72000 was done by the renault dealer, before I got it, and I am wondering if they used 10/40 and not 5/40 - would this effect the injector? Any comments would help me in my understanding -
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post #2 of 5 (permalink) Old 29th June 2006
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I see that the car is out of warranty on mileage but not age (I think the third year is limited to 60K.) I had a gearbox fail under similar circumstances, and after some negotiation between my car's leasing company and RCS , Renault made a 50% contribution. Try them, and see if they're prepared to soften the blow

As for keeping the car - it could turn into a moneypit, but the same's true of anything with wheels and an engine.
The 6 speed box is a weak point on early L2 dCi's (not that any Renault gearbox is built to last) but I think they had this sorted before 2003 and the 6 speed is no longer any less reliable than the rest. Turbo failure due to the wrong grade of oil and excessively long service intervals is the other fairly common serious problem. Moving to 5w/40 is supposed to help, but it also pays to do an oil and filter change at least every 9K.

The different grade of oil wouldn't affect the injector. 10w/40 was the right grade of oil until Renault changed their minds due to the turbo problems, so the engine was designed to run on it.
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post #3 of 5 (permalink) Old 4th July 2006 Thread Starter
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Thank you for your input. Have now got the car back and what joy - it is running beautifully and returning between 40 and 50 mpg so I am well pleased. Lets hope this is the end of any issues as I am prepared to give it another chance besides it is better looking than the Mondeo!!
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post #4 of 5 (permalink) Old 5th July 2006
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Just bear in mind Horatios comments re the service intervals and good luck
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post #5 of 5 (permalink) Old 5th July 2006 Thread Starter
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I have noted the service intervals and the oil grade. My partner is a mechanic, who runs an older Laguna with higher mileage - so far no problems but then he is what he is etc - he and I have agreed to service much earlier and use best 5/40 fully synthetic as Renault dictate - I think he is aiming to get the car from me some where down the line !! I appreciate with much gratitude the advice and feedback so far shown for which many thanks
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