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Author Topic: 5w-20 oil  (Read 1361 times)

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sjc401

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5w-20 oil
« on: November 20, 2010, 07:39:28 PM »

Hi all newbie here ,just bought a 5.7 grand cherokkee .fault code showing wrong oil ,needs 5w-20 ,cant get it anywhere local in glasgow any ideas suppliers etc . cheers
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gazjeep

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Re: 5w-20 oil
« Reply #1 on: November 20, 2010, 07:48:38 PM »

Hi mate, what age / year / model is your grand ?

Most of them use 10-40

Were have you got 5-20 from ???
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Taking ya girl to heaven & back

bonza

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Re: 5w-20 oil
« Reply #2 on: November 23, 2010, 03:23:51 AM »

5w-20 would be like Singer Sewing Machine oil

must be an attempt to improve the fuel efficiency of the engine by reducing the drag that a heavier viscosity oil produces but probably adversely reduces the protection it provides
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JamesH

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Re: 5w-20 oil
« Reply #3 on: November 23, 2010, 10:44:36 AM »

As it's a 5.7 it's got to be a 2005+ WK Grand

The Jeep dealerships are actually ok for most fluids on price, give them a try first. They will also confirm which oils are suitable for the engine.
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tim_aka_tim

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Re: 5w-20 oil
« Reply #4 on: November 23, 2010, 03:55:14 PM »

My V6 VTEC uses 5w20, as does the Prius. It's becoming more common over time here.
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