Question about 2000 GMC Yukon XL
I had a sticky lifter so I added a bottle of Gunk engine cleaner. Then I changed the oil and filter. The lifter was a little quieter but I could still hear it. The next morning I started the car and I had no oil pressure. Could the cleaner have loosened something and clogged the iol system? The Youkon has 150000 miles
First thing: Check the oil level on the stick, do you still have oil indicated? if the oil has been lost, check for leak around the oil filter area. If the oil has been lost, correct the leak and refill. Second: if you really have no oil pressure, the lifters will ALL go flat very quickly. Do not run the engine in that condition. If you have indeed lost oil pressure, but not the oil, check the oil filter. If the perforated tube in the center of the filter has collapsed, it may cut off all flow. If you find this, replace the filter, picking a different brand.
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Posted on Dec 31, 2008
Not likely. You may have clogged the oil pressure sending unit. Also check and make sure you didn't knock the wire off the sending unit. If not replace the sending unit. Good luck. any questions feel free to ask. Please rate me so I know if I helped you. Thanks.
Posted on Dec 31, 2008
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Posted on Jan 02, 2017
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