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BigJimnyMeet (North) 2024 (12 Jan 2024)


BigJimnyMeet 2024

14th July 2024
Parkwood Nr. Leeds

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2020 Gen 4 Manual Jimny GLX - Engine Run-in period?

  • JIMNYOZ
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20 Mar 2020 11:58 #220086 by JIMNYOZ
Hi everyone,

I hope you’re all very well considering the current circumstances. Thanks also for allowing me into this group. I’m based in Melbourne, Australia by way of introduction :-)

Question: Does the Jimny require the engine to be run-in?
I’ve had a quick skim read of the owners manual but did not see any recommendations and a web and forum search didn’t get me anywhere.

I purchased a brand new Jimny with 2km on the clock and since I’ve taken delivery and driving it for a week, I’ve kept the revs below 3000 and have not exceeded 100Km/h. I’m doing this to be careful to not hurt a new engine but I’m really not sure whether its required? I’ve heard rumours of new vehicles having had their engines run-in on the bench so not necessary for a run-in period but I’d like to be sure.

Please can someone who knows for sure advise?

Thanks so much.

Cheers
Mich

*Current mileage = just over 300km

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20 Mar 2020 13:39 #220091 by GeezerDan
I've been doing pretty much the same, salesman said they would've been bench-tested but I'm taking it easy at the moment and just covered 1000 miles. Found the attached in the handbook.
Attachments:

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20 Mar 2020 15:35 - 20 Mar 2020 15:35 #220094 by Max Headroom
Remember its not just the engine you're running in; axles and g'boxes count too.

I ran an MG Midget in for twice the recommended mileage. The same car is now 40 years old and on the same engine. Only now is it about get it's first engine rebuild.
I've always attributed its longevity to carefully running it in for twice the distance and a life of frequent oil changes and very frequent (almost unnecessary) oil changes in it's early years.


IF IT AINT BROKE, KEEP FIXING IT UNTIL IT IS
Last edit: 20 Mar 2020 15:35 by Max Headroom.

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20 Mar 2020 19:01 #220105 by Busta
There is no need to do any more than is described in the manual. Most new car drivers don't bother with any run in period, yet modern engines happily go way beyond 100,000 miles with no signs of engine wear.

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  • CC Baxter
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20 Mar 2020 20:06 #220108 by CC Baxter
There"s a 1975 Toyota Celica down the road from me. All the major mechanicals are untouched and it runs and sounds fine (shame about the body). The Japanese always new how to build engines and drivetrain. I wouldn't say I was overly concerned about the life span of a K15B. Chris

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  • JIMNYOZ
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20 Mar 2020 23:07 #220114 by JIMNYOZ
GeezerDan - thank you so much for your view and sharing the screenshot somehow I missed this :-)

All the best
Mich

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  • JIMNYOZ
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20 Mar 2020 23:09 #220115 by JIMNYOZ
Good points, thank you sir. Engine always comes to mind first but everything has moving parts and is new.

Thanks for responding, I’ll take that on board :-)

All the best
Mich

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  • JIMNYOZ
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20 Mar 2020 23:31 #220117 by JIMNYOZ
Busta - thanks for responding with your perspective, much appreciated.

You raise a good point also.

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  • JIMNYOZ
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20 Mar 2020 23:33 #220118 by JIMNYOZ
Thank you for responding - I appreciate your view.

I’ve had quite a few 4x4 vehicles and typically change oils every 5000km plus diffs after trips where they’ve been submerged during water crossings.
Food for thought indeed.

Cheers
Mich

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