synthetic grease ?
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Joined: Dec 2004
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synthetic grease ?
ok so i like synthetic lubes in my vehicles and i was going to grease all my fittings - ball joints, hubs all that stuff and i was wondering is there going to be a problem with a new syn grease mixing with the old grease thats all ready in there, just pump alot through maybe to fluch it out, im not sure
Postmaster
Joined: Dec 2003
Posts: 3,130
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From: Massachusetts
It will be fine. Nothing to worry about. At work we have switched and switched and swithced greases. Started with simple lithuim crown and chassis lube....then went to a moly grease.....then went to synthetic.....and finally we use a very stick and emulsifiable BTG which is boat trailor grease. Designed so wheel bearing that get submerged in water. Granted we a greasing a bearing surrounded by a seal and not just a ball joint. So no issues with compatability.
On these truck there is a overload on the balljoint boot. Still not a good idea to over grease.
On these truck there is a overload on the balljoint boot. Still not a good idea to over grease.
Postmaster
Joined: Mar 2001
Posts: 4,968
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From: So Cal
Actually read an article in some Lubrication ezine that I get, that said there are some incompatibility issues when changing from dino grease to syn. I forget the exact reason, but I think it had to do with the various additives precipitating out when they mixed. They recommended flushing the system out before changing to either.
That said, since I didn't know about that, I have been changing to syn grease on all my cars for the past 15-20 years and never had a problem. I just pump it in til the rubber boot gets plump.
I have done wheel bearings too, but that requires a thorough clean out anyway.
Good Luck,
Jim Henderson
That said, since I didn't know about that, I have been changing to syn grease on all my cars for the past 15-20 years and never had a problem. I just pump it in til the rubber boot gets plump.
I have done wheel bearings too, but that requires a thorough clean out anyway.
Good Luck,
Jim Henderson
