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Greasing Chassis #4806460
07/06/18 05:31 AM
07/06/18 05:31 AM
Joined: May 2012
Posts: 2,566
Indiana
Phishin Offline OP
Phishin  Offline OP

Joined: May 2012
Posts: 2,566
Indiana
Car in question is my 2018 Chevy Silverado 3500HD.

I get a couple of free oil changes at the dealership, so yesterday I had the oil changed for the first time in my new truck. I asked about chassis grease and the service manager said:

"You don't want to add grease until the rubber boot is deflated, otherwise you will rupture it"

I'll be the first to admit, I'm inexperienced at hitting ball joints, tie rod ends, and other zerks with a grease gun. But it's my understanding is that you squeeze fresh grease through the zerk until you see it push out the other side of joint? Is that not the case?

Of course, I could see a bozo pumping the snot out of a grease gun and blowing out the seal.

And one last question, what happens to the grease over time? Does it slowly seep out of the junctions and fall away?


2018 Chevy Silverado 3500HD 6.0L Gas: RLI 10w30
2010 Accord-LX K24: MaxLife 5w30 + Torco MPZ
2014 CR-V LX K24: M1 0w30
Re: Greasing Chassis [Re: Phishin] #4806470
07/06/18 05:53 AM
07/06/18 05:53 AM
Joined: May 2005
Posts: 10,902
ROCHESTER, NY
Char Baby Offline
Char Baby  Offline

Joined: May 2005
Posts: 10,902
ROCHESTER, NY
I'm with you. I like greasing my suspension parts until I can watch the boot filling up with grease. If some grease spewed out, not biggie!

Where does the grease go? I think that over time with suspension movement up & down, side to side, that the grease works it way out little by little and can ultimately start to dry up if not replenished regularly.


"Retired"
-----------------------------------

'80 Firebird FORMULA V8/4bbl-purchased "NEW"
'15 Nissan Altima 2.5 SV
'15 Honda Civic LX
Re: Greasing Chassis [Re: Phishin] #4806472
07/06/18 05:55 AM
07/06/18 05:55 AM
Joined: Sep 2013
Posts: 10,850
Indiana
dlundblad Offline
dlundblad  Offline

Joined: Sep 2013
Posts: 10,850
Indiana
The word deflated may be the wrong word choice since you don't want to run it to the point of it needing grease, but yes you could overfill something and cause a boot to tear.

Does the manual say how often to grease everything? Is there a way for you to grease it by feel? Maybe 1 or 2 full pumps and call it good?


03 Jeep WJ 4.0 202k Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 186k M1 0w40 Mahle OX149D
97 Chevy Blazer 4.3 153k Synpower 5w30 Supertech ST3980 (Ecore)

Re: Greasing Chassis [Re: Phishin] #4806484
07/06/18 06:11 AM
07/06/18 06:11 AM
Joined: Jul 2005
Posts: 31,485
NY
demarpaint Offline
demarpaint  Offline

Joined: Jul 2005
Posts: 31,485
NY
I watch for it to start to swell or feel it swell then stop. If a tiny bit oozes out between the bottom of the boot and where the boot sits no big deal. People have a tendency to pump like mad until it is forced out, and usually end up splitting the boot. I've seen some shops use air grease guns and fill it until it is forced out. One guy I knew didn't wipe the zerk fittings off before greasing the cars, forcing dirt into the joint, not good! I guess time is money and the faster the grease goes in the faster the vehicle is off the lift.

My van is the only vehicle I currently own with grease fittings. I grease it twice a year, not based on miles. I do it in the early spring, and the late fall before the first snow fall. That schedule has served me well. Many people grease their vehicles when they change the oil.


God Bless Our Troops

Re: Greasing Chassis [Re: Phishin] #4806485
07/06/18 06:11 AM
07/06/18 06:11 AM
Joined: Jun 2003
Posts: 18,219
Deplorable in apple valley, ca
Chris142 Online content
Chris142  Online Content

Joined: Jun 2003
Posts: 18,219
Deplorable in apple valley, ca
I grease mine and customers till I see the boot move. Not squirt out. I guess the old grease comes out of the boot and that's why things are so greasy down there.


02 Wrangler carlube 5w30
87 F250 traveler 15w40
07 fjcruiser Chevron 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40
Re: Greasing Chassis [Re: Phishin] #4806493
07/06/18 06:21 AM
07/06/18 06:21 AM
Joined: Nov 2006
Posts: 21,017
MA, Mittelfranken.de
Trav Offline
Trav  Offline

Joined: Nov 2006
Posts: 21,017
MA, Mittelfranken.de
Fill them till they just swell a little thats it. Some of the new boots are using Euro style spring retainers to help prevent grease loss, the problem is this style of retainers was meant for LFL joints so yes they can burst easier than old school open end boots.
Try Schaeffers 238, it is a high 5% moly greaae and stays in the joint a long time. Invest in a good grease gun if you don't own one and do your own grease jobs.

https://www.amazon.com/Schaeffer-Manufac...=schaeffers+238


ASE L1, Master. Deutsch Meisterbrief.
Re: Greasing Chassis [Re: Phishin] #4806497
07/06/18 06:29 AM
07/06/18 06:29 AM
Joined: Apr 2015
Posts: 111
Pennsylvania
bugeye Offline
bugeye  Offline

Joined: Apr 2015
Posts: 111
Pennsylvania
Pump a little grease onto a paper towel. Not much is expended with each pump. On open joints on my tractor, I pump grease until the old dirty grease is expelled. On "sealed" boot type joints, I carefully watch, feel that some grease is filling the boot.

Re: Greasing Chassis [Re: Phishin] #4806517
07/06/18 06:51 AM
07/06/18 06:51 AM
Joined: Dec 2017
Posts: 3,739
SE British Columbia, Canada
Snagglefoot Offline
Snagglefoot  Offline

Joined: Dec 2017
Posts: 3,739
SE British Columbia, Canada
I grease once a year on my 2008 3/4 ton Chev. I find I never have to pump more than 3 times on the full size lever type gun. I look to see that the boot swells a bit and normally dont try to get grease to ooze out but dont worry if it does.

Ill edit this based on Mastersolenoids comments. This is a rubber boot that will let grease escape, but the boot normally gets quite plump before it starts to escape.


Last edited by Snagglefoot; 07/06/18 07:13 AM.

If you want the job done right......do it yourself.
Re: Greasing Chassis [Re: Snagglefoot] #4806530
07/06/18 07:06 AM
07/06/18 07:06 AM
Joined: Sep 2017
Posts: 390
One Step Beyond
MasterSolenoid Offline
MasterSolenoid  Offline

Joined: Sep 2017
Posts: 390
One Step Beyond
Pump a little grease onto a paper towel. Not much is expended with each pump. On open joints on my tractor, I pump grease until the old dirty grease is expelled. On "sealed" boot type joints, I carefully watch, feel that some grease is filling the boot.

I think this explains some of the confusion.
Some joints have either:
1) Plastic Cover
2) Rubber Boot that allowed grease to come out / new grease would push out water
3) Sealed Rubber Boot that would require occasional greasing / that you could rupture
4) Sealed Rubber Boot with NO Zerk Fitting

Correct me if I'm wrong, but greasing would depend on the type of Boot Cover.

Last edited by MasterSolenoid; 07/06/18 07:09 AM.

2002 Ford Ranger
2 Wheel Drive
3.0 Liter Engine
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Clarity, Brevity, Simplicity, and Humanity.
Re: Greasing Chassis [Re: Phishin] #4806642
07/06/18 08:52 AM
07/06/18 08:52 AM
Joined: Jan 2012
Posts: 286
Canada
nobb Offline
nobb  Offline

Joined: Jan 2012
Posts: 286
Canada
All the greaseable joints I've seen had boots that have a grease relief. I always just pump slowly until the grease oozes out. Why would they design greaseable boots with no relief?

Re: Greasing Chassis [Re: Phishin] #4806669
07/06/18 09:28 AM
07/06/18 09:28 AM
Joined: Jan 2013
Posts: 2,404
Texas
WyrTwister Offline
WyrTwister  Offline

Joined: Jan 2013
Posts: 2,404
Texas
I do not like the suspension parts that are not greasable . But if that is the way they come from the factory , not much you can do .

I certainly am not going to swap them out for parts that have grease zerts . Wait until they wear out , then replace them .


Wyr
God bless
Re: Greasing Chassis [Re: WyrTwister] #4806671
07/06/18 09:31 AM
07/06/18 09:31 AM
Joined: Dec 2005
Posts: 10,721
Upper Midwest
kschachn Offline
kschachn  Offline

Joined: Dec 2005
Posts: 10,721
Upper Midwest
Originally Posted By: WyrTwister
I do not like the suspension parts that are not greasable . But if that is the way they come from the factory , not much you can do.

Interesting, I don't like the ones that are. The greaseable ones I've bought in the past have worn out much faster than the non-greaseable ones (especially Moog). Maybe they have improved since I last tried them but I find them inferior.


1994 BMW 530i, 241K
1996 Honda Accord, 267K
1999 Toyota Sienna, 409K
2000 Toyota ECHO, 280K
Re: Greasing Chassis [Re: Phishin] #4806674
07/06/18 09:33 AM
07/06/18 09:33 AM
Joined: Jan 2013
Posts: 2,404
Texas
WyrTwister Offline
WyrTwister  Offline

Joined: Jan 2013
Posts: 2,404
Texas
Did you grease them ?


Wyr
God bless
Re: Greasing Chassis [Re: WyrTwister] #4806679
07/06/18 09:37 AM
07/06/18 09:37 AM
Joined: Dec 2005
Posts: 10,721
Upper Midwest
kschachn Offline
kschachn  Offline

Joined: Dec 2005
Posts: 10,721
Upper Midwest
Originally Posted By: WyrTwister
Did you grease them ?

Oh yeah, absolutely. I do all my own maintenance and have a couple of grease guns.

I remember thinking at the time it sounded like a good idea to be able to grease them but for whatever reason it just didn't work out for my cars. It was only on my Asian vehicles, the BMW doesn't have any greaseable parts even in the aftermarket.


1994 BMW 530i, 241K
1996 Honda Accord, 267K
1999 Toyota Sienna, 409K
2000 Toyota ECHO, 280K
Re: Greasing Chassis [Re: kschachn] #4806887
07/06/18 02:06 PM
07/06/18 02:06 PM
Joined: Jan 2017
Posts: 2,361
VW Fanboy Island
maxdustington Offline
maxdustington  Offline

Joined: Jan 2017
Posts: 2,361
VW Fanboy Island
Originally Posted By: kschachn
Originally Posted By: WyrTwister
I do not like the suspension parts that are not greasable . But if that is the way they come from the factory , not much you can do.

Interesting, I don't like the ones that are. The greaseable ones I've bought in the past have worn out much faster than the non-greaseable ones (especially Moog). Maybe they have improved since I last tried them but I find them inferior.

Because they are not as durable as sealed, that's why they are not used anymore. Moog sucks.

I was looking at cars on kijiji last night and one had a pic of the front clip off and a bunch of moog boxes. I actually cringed.


03 Jetta AWP/09A 205k kms
Edge 0W40 + Mann 719/30
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