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Re: To Kreen or not to Kreen?... [Re: DallasTexas] #5082432
04/22/19 07:16 AM
04/22/19 07:16 AM
Joined: Oct 2007
Posts: 998
South East Asia
kr_bitog Offline
kr_bitog  Offline

Joined: Oct 2007
Posts: 998
South East Asia
Originally Posted by DallasTexas
I have used Kreen on my Mercedes with almost 300k miles, not only did it clean up the engine but my morning injector knock was gone. Now I use 2 oz Kreen on my Mercedes CDI every time I fill up. IMHO it is the best product out there.

Kreen is very effective but also very harsh on old oil seals like Berryman, so let see how long it can take before leaking

Re: To Kreen or not to Kreen?... [Re: oilmaven] #5105959
05/15/19 11:57 AM
05/15/19 11:57 AM
Joined: Aug 2017
Posts: 259
CA
ad244 Offline
ad244  Offline

Joined: Aug 2017
Posts: 259
CA
Any updates op?

Re: To Kreen or not to Kreen?... [Re: kr_bitog] #5133290
06/13/19 03:17 PM
06/13/19 03:17 PM
Joined: May 2012
Posts: 2,883
The land of USA-made Subies!
SubieRubyRoo Offline
SubieRubyRoo  Offline

Joined: May 2012
Posts: 2,883
The land of USA-made Subies!
Originally Posted by kr_bitog
Kreen is very effective but also very harsh on old oil seals like Berryman, so let see how long it can take before leaking


I’ve used Kreen at least once on 4 different cars I own, with the oldest one at 224k getting 2 thousand-mile bouts with Kreen. The other vehicles had 180k, 147k, and 121k. Not one of them leaked after a Kreen treatment.

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