Isuzu Trooper Owners Club UK™

phil c · *** Joined: 04 Jun 2009 Posts: 135 Location: Herts

What is the corect oil for the 3.1 td as the artical " car mechanics " did on the trooper say it should be a 15w40 and my local suppliers say it should be a 10w40 semie?
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LWB duty mk4 3.0 BFG ATs and cb radio

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KKW · Posted: Fri Aug 20, 2010 14:00 Post subject:

According to my owner's manual the "preferred viscosity grade" is SAE 10W-30.

But, if you're sticking to European driving, and there's less chance of extremely high or low temperatures you can use 10W-40 or 15W-40 without any problems.

phil c · *** Joined: 04 Jun 2009 Posts: 135 Location: Herts

Ta I used 10w40 Deisel oil and a blue print filter in the end it's a bit tight to get the filter out though the only way to do it was to spin the front prop shaft and it jumped the filter past the prop cv joint
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LWB duty mk4 3.0 BFG ATs and cb radio

Peej · Posted: Sat Aug 21, 2010 19:58 Post subject:

I think you will find the said the 3.1 was OHC too!
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markymoan · Posted: Sat Aug 21, 2010 20:19 Post subject:

I allways used 15/40 in my 3.1 as the 10/30 is only good up to 30c max and they aint new engines Wink

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Mick · Posted: Sun Aug 22, 2010 12:16 Post subject:

Doing a full service on my 3.1td 1993 in the next couple of weeks can any one recommend a good make of oil that’s not to over priced, Cheers

markymoan · Posted: Sun Aug 22, 2010 13:39 Post subject:

That Halvoline from morrissons is pretty good and low priced, its Texaco Smile

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KKW · Posted: Sun Aug 22, 2010 15:29 Post subject:

Bought my oil in Tesco's. Very reasonable price.

phil c · *** Joined: 04 Jun 2009 Posts: 135 Location: Herts

I used commers oil I got 7L oil blue print oil and fuel filter and a oil filter removerall for just under £50 with I thort was pritty good really
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LWB duty mk4 3.0 BFG ATs and cb radio

Mick · Posted: Wed Aug 25, 2010 20:04 Post subject:

is there any benefit of using 15-40 oil over 10-40 engine oil in a 1993 3.1td Mick

markymoan · Posted: Wed Aug 25, 2010 23:04 Post subject:

Only in the fact that its an old engine and it may last a bit longer.
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Mick · Posted: Thu Aug 26, 2010 10:37 Post subject:

Is that just with it being slightly thicker for start up? Mick

markymoan · Posted: Thu Aug 26, 2010 14:40 Post subject:

Thats my logic Mick
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rich31td · **** Joined: 15 May 2009 Posts: 454 Location: Kent

The benifit of a 15w/40 over 10w/40 is that it will sheer down less so last a bit longer.

I use Fuchs Titan Truck Plus 15w/40 and I get it in 20L bottles for £45 deliverd.