The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Lube and Additive for 12 Bolt with Eaton Posi

C10_ustacould · 10-05-2013, 01:57 PM

My 8 month old Eaton posi started making noise in turns over the last couple of weeks. I drained the "old" lube and filled it with Mobil 1 75w-90 and a tube of Trans-X posi additive. It still pops... Does anyone have a better option that is available at the local part store?

10-05-2013, 01:57 PM	#1
C10_ustacould A day late and $1 short... Join Date: Dec 2008 Location: Northwest FL Posts: 3,882	Lube and Additive for 12 Bolt with Eaton Posi My 8 month old Eaton posi started making noise in turns over the last couple of weeks. I drained the "old" lube and filled it with Mobil 1 75w-90 and a tube of Trans-X posi additive. It still pops... Does anyone have a better option that is available at the local part store? __________________ Buck Instagram: C10_ustacould 1963 SWB Fleet Side 528 Desert Beige Milly 1967 SWB Step Side 506 Medium Blue The Old Girl 1968 SWB Fleet Side 503 Light Green Ellie SOLD 1965 SWB Fleet Side 507 Light Blue Prescription Strength SOLD 1971 SWB Fleet Side 521 White Shiro SOLD 1968 SWB Step Side 503 Light Green My Old Farm Truck SOLD