Which grease to use
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Senior User
Joined: Jan 2008
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Which grease to use
Last week I went to AutoZone and bought a "moly" grease. "Moly" gotta be good! Repacked the front wheel bearings on 97 2WD. Job done.
Now I am learning there are 2 ratings for automotive grease, G for wheel bearings and L for chassis. G divides further, GA, GB and GC. Likewise, LA and LB. The highest rating is GC and LB.
I used LB grade grease on wheel bearing. Bad choice. And the wheel has disc brake. That's worse.
I should have chosen a grease marked GC-LB, a multi-grade that meets both requirements. I gotta do the job again.
Now I am learning there are 2 ratings for automotive grease, G for wheel bearings and L for chassis. G divides further, GA, GB and GC. Likewise, LA and LB. The highest rating is GC and LB.
I used LB grade grease on wheel bearing. Bad choice. And the wheel has disc brake. That's worse.
I should have chosen a grease marked GC-LB, a multi-grade that meets both requirements. I gotta do the job again.
Hotshot
Joined: Jul 2005
Posts: 11,931
Likes: 180
molly is a good impact grease. Lets say you have a bulldozer and the blade pins need greased.. THey take a lot of impact.. good place for moly. For the wheel bearings you want a good strong grease that wont wash out. Normally is is a lithium type grease , and you want high temp due to the brake location... go to Auto Zone and they will have a quart tub marked "wheel bearing grease" for manually repacking.
Fleet Owner
Joined: Jan 2004
Posts: 26,007
Likes: 575
From: Brentwood,CA
Did you use the Ford Lincoln approved Valvoline Moly grease??? That will be fine for the wheel bearings and its all we use at work and no issues its a Lithium 12-Hydroxysterate EP Grease. Ford spec's M1C75 which is what the Valvoline grease is.
it looks like this tube here Amazon.com: Valvoline VV633 Moly Fortified Multi-Purpose Grease ( for Ford, Lincoln and Mercury Vehicles), Single Pack: Automotive
it looks like this tube here Amazon.com: Valvoline VV633 Moly Fortified Multi-Purpose Grease ( for Ford, Lincoln and Mercury Vehicles), Single Pack: Automotive
Postmaster
Joined: Oct 2004
Posts: 4,155
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From: Southern Louisiana
Mystik JT-6, Hi Temp grease is excellant to use in wheel bearings and universial joints. I only have one gun and use it in my suspension parts as well.
Despite what Ford says, I would never put Moly in wheel or any bearings.
Despite what Ford says, I would never put Moly in wheel or any bearings.
Thread Starter
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Senior User
Joined: Jan 2008
Posts: 377
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Did you use the Ford Lincoln approved Valvoline Moly grease??? That will be fine for the wheel bearings and its all we use at work and no issues its a Lithium 12-Hydroxysterate EP Grease. Ford spec's M1C75 which is what the Valvoline grease is.
it looks like this tube here Amazon.com: Valvoline VV633 Moly Fortified Multi-Purpose Grease ( for Ford, Lincoln and Mercury Vehicles), Single Pack: Automotive
it looks like this tube here Amazon.com: Valvoline VV633 Moly Fortified Multi-Purpose Grease ( for Ford, Lincoln and Mercury Vehicles), Single Pack: Automotive
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