Triple_Se7en
$50 Site Donor 2024
Originally Posted by BigCahuna
GM's oil life monitor never knows what type of oil YOUR using, and you can't program what type your using into it. So if you use auto store brand oil, it will tell you to change it at 5k miles. If you use Mobil 1 Extended performance 15k usage oil, it will still tell you to change it at 5k miles. So how is that accurate? If you blindly go by the ALM, you will be throwing good serviceable oil away...
Yep The OLMs are junk. My GM goes off at about 10.7K and has never changed in 15 years. Matters-not if I'm driving city or all highway. Matters-not what oil I use - or whether it's dino, semi or full syn.
GM's oil life monitor never knows what type of oil YOUR using, and you can't program what type your using into it. So if you use auto store brand oil, it will tell you to change it at 5k miles. If you use Mobil 1 Extended performance 15k usage oil, it will still tell you to change it at 5k miles. So how is that accurate? If you blindly go by the ALM, you will be throwing good serviceable oil away...
Yep The OLMs are junk. My GM goes off at about 10.7K and has never changed in 15 years. Matters-not if I'm driving city or all highway. Matters-not what oil I use - or whether it's dino, semi or full syn.