slimjim2525 replied to dab86's topic in 2014 - 2018 Chevy Silverado & GMC SierraWhat's the longevity and reviews on those grapplers?
Very interesting thread. Is it stock or is there a spacer? LOL. The pics of the truck look like there is a lift. The pics of the stock spring looks like its factory. I have the rough country 2" leveler on the bottom of the strut.
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I would use any Dexos approved 0w20. Mobil 1, Valvoline, Penzoil, etc. Use a PF63E as specified in the owners manual. No need at all to use amsoil or any other over priced oil, for 8 bucks a quart. Channge every 5k miles, and never look back.
Top Re: OIL PRESSURE ISSUE / OIL FILTER THE CAUSE by GM-Man » Jun 14 2015, 4:30pm Here is the service bulletin in regards to the above concern. GM has released an updated PF48R. I recommend using a PF63 as these filters have never been a problem. Not to mention the larger (longer) size makes them much easier to install and remove. Service Information Home Publications Number Search New Bulletins Bulletin Search Feedback Help 2012 GMC Truck Sierra - 4WD | Cheyenne, Sierra, Silverado VIN C/K Service Manual | Document ID: 4211936 #PIP5276D: SES Lamp P0521 Setting After An Oil Change And Or Low Oil Pressure Indicated On The Instrument Panel - (Jun 8, 2015) Subject: SES Lamp P0521 Setting After An Oil Change And Or Low Oil Pressure Indicated On The Instrument Panel Models: 2007-2013 Cadillac CTS-V, Escalade 2007-2013 Chevrolet Avalanche, Camaro SS, Colorado, Corvette, Express, Silverado, Suburban, Tahoe 2007-2013 GMC Canyon, Sierra, Savana, Yukon with a V8 Engine (RPOs L20, L77, L94, L96, L99, L9H, LC8, LC9, LH9, LMF, LMG, LY6, LZ1) The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI. Condition/Concern A concern of a P0521 Setting After an oil change and or low oil pressure indicated on the instrument panel. Recommendation/Instructions If you are working on a Gen4 V8 that is setting a DTC P0521 and or low oil pressure indicated on the instrument panel in cold or hot weather and the engine is currently equipped with a PF48E oil filter, replace with a UPF48R oil filter if one is available. Note: Only use the UPF48R oil filter if theGen4 V8 is setting a DTC P0521. Warranty Information For vehicles repaired under warranty use: Labor Operation Description Labor Time 4065530 Oil Filter Replacement Use Published Labor Operation Time Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed. GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the information. WE SUPPORT VOLUNTARY TECHNICIAN CERTIFICATION
Yes, the manual says PF63E. So thats what I got. Changed the oil yesterday at 4,900 miles. Would the increased by-pass pressure increase the oil pressure? It seems like I have about 5lbs more of oil pressure than previously. I took a PF63 off, as the original oil filter.
Good afternoon. On my 07 I had the dreaded low oil pressure issue. Changed the oil pressure sensor and no help, then read the GM bulletin to install a UPF48R filter. Unbelievably it cured the problem and low oil pressure was never an issue again. My question is, can the UPF48R be used on my 2018? Thanks
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