How to replace the oil pump in a GMC Yukon?
It takes a little more time to remove some of the components, but sooo much less stress on your body. couple special tools needed: 90 or 45 degree pick, fuel line connector separator, service manual for intake plenum torque specs and sequence. If you go on to a GM parts direct site you can see the diagram of where the oil switch is located.
How old is my Yukon XL flex fuel engine?
I have a 2007 Yukon XL with the 5.3L Flex Fuel engine with AFM. It’s 10 years old this May, and has 205,000 miles. This engine has always been an oil burner, and I’ve solved ignition problems before by changing fouled plugs (usually #6).
How to tell if your Denali oil pump needs replacing?
The best way to tell is to throw a new sending unit on there (assuming the new one is good as well) or use a manual pressure gauge. The L92 was modified with Flex Fuel capability for MY 2009 and became the L9H, and was further modified with Active Fuel Management for MY 2010 (and becoming the L94) in the Cadillac Escalade and GMC Yukon Denali’s.
What causes no oil pressure in GMC Yukon?
-28 F in Minnesota resulted in no oil pressure. replaced filter and pressur sensor (clogged filter/frozen condensation). resulted in oil pressure at operating specs. let motor sit for 10 minutes and received 28PSI at idle again.
What kind of oil pressure does a Yukon Denali have?
I have a 2007 GMC Yukon Denali with low oil pressure at an idle. We just put in a new oil pump and pressure still drops I have a 2007 GMC Yukon Denali with low oil pressure at an…
Can a 6.2 Denali oil pump be replaced?
The symptom is low oil pressure which can be the all too common sending unit issue or in the case of the early 6.2’s the cam bearing issue. Unfortunately while there has been some cases where I have seen repair work (cam replacement) done to resolve the issue, I have also read of reports of complete engine replacement.
How to replace a Denali oil pump screen?
You can remove the switch and the screen if your a badass and have specialty tools (oil switch socket, impact swivel, long Pick) and some SMALL HANDS!!! if you do not have these items and don’t feel like hurting yourself trying, there is an easier way. ask me how I know……. SOB!!!
When did GMC Yukon change the oil pump?
If it is an 07-08 take a look into Cam Bearing Problems. The 6.2 engines in these years have had issues with the Cam Bearings in either 2009 or 2010 (don’t remember which but think it was 09) they made some engine changes one of which was a change to the cams to address this issue as well as add AFM and larger injectors to support E85.
The best way to tell is to throw a new sending unit on there (assuming the new one is good as well) or use a manual pressure gauge. The L92 was modified with Flex Fuel capability for MY 2009 and became the L9H, and was further modified with Active Fuel Management for MY 2010 (and becoming the L94) in the Cadillac Escalade and GMC Yukon Denali’s.
What should oil pressure be on a Denali Yukon?
I concluded that i either have shit in the oil pan and is getting sucked up by the sump, or my bypass valve on the oil pump is Sticking when i drop the hammer and get over 4000RPM (Which should be 40PSI oil pressure). I’m looking for the same information. I am noticing inconsistencies with oil pressure, but I have good compression.
Can a 6.2 liter oil pump be replaced?
Click to expand… Here is the issue that i had. the LS3 (6.2) liter’s have a filter screen under the oil pressure switch. According to the gentleman at the GM dealer, they last about 100k and it time for a replacement or cleaning.