DECOKING DIESELS
Submitted: Friday, Jul 14, 2006 at 13:03
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35827
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mule
I am about to fit a turbo to my '97 4.2Ltr diesel patrol and was wondering about getting it decoked first. Has any body had any experiencies to the benefits and or problems with this process. Getting rid of all the gunge that has built up of the years has to be good -judging by the colour of my oil changes I think I may have quite a build up of gunk.
Regards....
Mule
Reply By: Truckster (Vic) - Friday, Jul 14, 2006 at 13:13
Friday, Jul 14, 2006 at 13:13
Search for CEM in here...
Diesels will always dirty the oil, even after 10 mins after a change.
AnswerID:
183491
Follow Up By: Member - Omaroo (NSW) - Friday, Jul 14, 2006 at 13:17
Friday, Jul 14, 2006 at 13:17
Except for the Td5 in the Landy - which uses a centrifugal rotary filter (in addition to the standard spin-off type) which spins off soot particles and separates them from the oil. My oil (Mobil1) is still clear after 9,000km. (recommended 10k change).
FollowupID:
440091
Follow Up By: Alloy c/t - Friday, Jul 14, 2006 at 14:15
Friday, Jul 14, 2006 at 14:15
I used the CEM close to a year ago and still use the left over after the initial "big" dose , my oil stays "clean" upto the 4000k or so mark then slowly starts to get black ,oil + filters every 5 thou ,80series factory turbo diesel auto with 360,ooo on clock ,so NOT all diesels will dirty the oil 10min after a change.
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440099
Reply By: TerraFirma - Friday, Jul 14, 2006 at 13:22
Friday, Jul 14, 2006 at 13:22
www.costeffective.com.au
Also speak to Brid in hese forums.
AnswerID:
183493
Reply By: Keith_A (Qld) - Friday, Jul 14, 2006 at 19:42
Friday, Jul 14, 2006 at 19:42
My 1999 4.2 also started life as a non-turbo. Previous owner fitted a Denco
water cooled.
One small point you may want to check out.
According to my mechanic, there are some differences between the turbo and non-turbo Patrols, including the con-rods and crank shaft, compression and possibly gearing.
Check out this site : www.highwaydiesel.com.au/perform.htm
and this one : Site Link
(plenty of others - plus the Patrol forums).
I haven't had any problems, but worth knowing before you spend the $.
AnswerID:
183528