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how much oil

how much oil

Postby sierra123 [OP] » Jun 29 2012, 2:29am

How much oil does my 2002 5.3 liter take? And is it safe to switch to synthetic? it hasn't had it in there before and it has 71000 miles on it. Thanks guys!
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Re: how much oil

Postby Machster69 » Jun 29 2012, 2:35am

Um pretty sure it says in the manual but 6 quarts for motor oil...
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Re: how much oil

Postby Obsession11 » Jun 29 2012, 2:38am

im 99.99999999999% sure that it says in the manual
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Re: how much oil

Postby sierra123 [OP] » Jun 29 2012, 2:40am

Haha thanks. I would of looked there but when I bought it it didn't have one.
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Re: how much oil

Postby Foghorn14 » Jun 29 2012, 2:41am

Synthetic should be no problem. However if you have any leaks the cleaning abilities of the synthetic can get rid of some of the gunk and can make a leak worse. However, syn won't cause leaks by itself. If you haven't done so take a look at bobistheoilguy. It's the oil info clearing house on the web. Can learn a lot over there.
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Re: how much oil

Postby Obsession11 » Jun 29 2012, 2:42am

if you ever need to look at one they have the at the bottom of the home page here.
download/gmc/sierra/owners_manual/2003_gmc_sierra_owners.pdf
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Re: how much oil

Postby TheGreenBandito530 » Jun 29 2012, 7:45am

Synthetic is great, Im running Valvoline in mine
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Re: how much oil

Postby sierra123 [OP] » Jun 29 2012, 6:35pm

Ok thanks guys I appreciate it!
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