Question about 1997 GMC Suburban

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What is the recommended engine oil for a 1997 5.7L GMC?

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Everybody got a different answer.BUT dependant on oil burn i would reccomend a 10/40 semi synthetic,(going upto a 20/50 at 100k if using a pint every 1000miles.)then when oil burn gets too great, time for a rebuild.

Posted on Sep 09, 2010

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Posted on Jan 02, 2017

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SOURCE: motor oil type 1997 rodeo

If this Rodeo has the V6 engine, then there is a tech note on the Mitsubishi site. If you hear valve train clatter, then use synthetic 0W30. No valve train clatter then 5W30 synthetic. Heavier weight oils cannot properly lubricate the valve train. Mitsubishi later changed the design of this engine to address the issue.

Posted on Feb 28, 2010

r_mcalhoun
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SOURCE: Recommended engine oil

hi i have 94 lhs with 3.5 i use 15-40 rotella car has over 200k on it and still going strong

Posted on May 03, 2009

drsinister69
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SOURCE: what engine oil should I use for my 1997 GMC Suburban

I would use some Castrol High Mileage 10w/30 weight oil.

Posted on Jun 03, 2010

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SOURCE: recommended oil for 1997 bmw 318ti in New

10W30 - Total / Elf synthetic oil is the best option. Change every 6000k miles or 10k kilometers.

Posted on Aug 11, 2010

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Hi, this is not the first time i've heard of this problem..I have repaired engines with rod knock, crank bearing knock and piston slap after these treatments. These products can clean so much carbon and varnish from the engine that it brings the real internal problems to the surface. Try using thicker oil

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Hello,
The question you are asking indicates you wanna know the ideal time to change the engine oil of your yukon.
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I'm afraid, that these conditions don't get better with time.

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My 2005 canyon with 3.5 engine has rod and main bearing rattle when it is started first thing in the morning. the rest of the day it is ok. can you ancer this problem.


07-06-01-016B
This bulletin cover the use of wrong oil filters on the engine. The use of GM oil filters is recommended on your truck.

What happens is the oil will go into the oil pan over night causing the engine knock in the morning. The GM oil filter has a check valve in it to hold the oil in the upper half of the engine.


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