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WHAT TYPE OF OIL DO I PUT IN MY 1999 GMC SIERRA 6 LITER V8?

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An what was said trucks usually at 205,000 miles needs new engine an that is normal is not true i have owned dodge truck an traded it in with 289,000 miles on it an still ran good in fact saw truck 3 yrs lator in town still going strong.. owned gmc sierra,s my latest one has 224,000 an runs smooth 5.3 is a great motor an as long as you do oil changes at time when due. An not keep adding an adding an let the dam thing warm up in winter not get in turn key an before idle down be in reverse rite way..truck will run long time yet with no issue. Thats the problem not letting warm up i see alot of turn key an go in 15 degree n lower temps. An tic tic tic away they go...

Posted on Feb 26, 2015

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5w30 in cold months 10w30 in warm to hot months. High milage if its over 75,000 miles.

Posted on Apr 20, 2014

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Posted on Jan 02, 2017

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SOURCE: Late 1999 4.8 Liter V8

ID BE LOOKING AT THE HEATER CORE FOR LEAKING. YOU MIGHT PRESSURE TEST IT FOR AN HR. YOU WILL MOST LIKELY FIND THE LEAK.:)

Posted on Dec 31, 2010

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SOURCE: 1999 gmc sierra 2500 6 liter ran out of gas now won't start

If you are at or near the 100,000 mile mark then your fuel pump may have failed. If you remove the fuel filler cap and listen carefully at the filler neck while someone turns the ignition key to "run" [don't actually crank the engine] you should be able to hear the fuel pump buzz for about a second and a half as the key is turned On. If you don't hear the pump buzz then odds are your pump is dead. Your pump may have actually failed making it appear as though you ran out of fuel. Not to uncommon. Hope this helps and good luck!

Posted on Nov 03, 2011

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2 Answers

OIL KIND TO USE


10w30 or 10w40 would work for u ok.

Apr 20, 2014 | GMC Sierra Cars & Trucks

1 Answer

1999 gmc sierra 2500 6 liter ran out of gas now won't start


If you are at or near the 100,000 mile mark then your fuel pump may have failed. If you remove the fuel filler cap and listen carefully at the filler neck while someone turns the ignition key to "run" [don't actually crank the engine] you should be able to hear the fuel pump buzz for about a second and a half as the key is turned On. If you don't hear the pump buzz then odds are your pump is dead. Your pump may have actually failed making it appear as though you ran out of fuel. Not to uncommon. Hope this helps and good luck!

Nov 01, 2011 | 1999 GMC Sierra

2 Answers

What is the spark plug gap for a 2004 GMC Sierra 8.1 liter V8.


.060 (In thousandths of an inch) Caution! Gap is not adjustable on certain plug brands. Torque the plugs with a torque wrench no more that 15 ft lbs.

Sep 22, 2011 | 2004 GMC Sierra 2500

1 Answer

How much oil do i need for my 1996 GMC sierra with 5.3L


I would say start at 4.5 to 5 quarts and check after starting the motor. Slowly add to the full line on the dipstick. Some GM V8's can take up to 6 quarts.

Jun 03, 2011 | 1996 GMC Sierra

2 Answers

We need the Firing order.


1993 GMC C 1500 P/U 4.3 liter V-6 VIN "Z"

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Hope this helps (remember to rate this answer).

Mar 20, 2011 | 1993 GMC Sierra

1 Answer

What is oil capacity for 1999 gmc sierra 5.3


1999 GMC Sierra 5.3L V8 useing 6 quarts u.s.

Hope helps (remember rated this).

Jul 07, 2010 | 2000 GMC Sierra

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Where is the oil level sensor located? oil guage wiggles between 40 & 60 at idle and stays on 60 on the road.


That's not oil level you see on the gauge -- that is oil pressure in pounds per square inch (PSI). It is normal for the pressure to fluctuate when the engine RPM goes down. If it stays on 60 PSI on the road, you are very lucky -- that is excellent oil pressure!

May 28, 2009 | 1999 GMC Sierra

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