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Author Topic: Ball Joint greasing  (Read 960 times)
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Angle Grinder
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« on: 02 August, 2016, 11:30:20 AM »

Been having issues with pumping grease into a new Upper Ball joint. It's a FRAP part and I've not had issues with their ball joints before. Wondering if anyone else has had problems with this.
 
« Last Edit: 02 August, 2016, 11:52:49 AM by Angle Grinder » Logged

Current Cars: 1994 2.0 VIS Thema Station Wagon, 1967 Flavia 1.8 PF Coupe.

Previous cars:
1983 Prisma 1600
1991 Thema 16v i.e. SE
1988 Thema 8v Turbo
1992 Thema 16v i.e.
1983 Gamma Coupe (manual)
1993 Thema VIS
1994 Thema VIS LE
1990 Thema 2.8
Angle Grinder
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« Reply #1 on: 05 August, 2016, 12:12:47 PM »

Excuse my ignorance...

As per the first post, I've been struggling to get grease into a newly fitted upper ball joint. A few pumps of the grease gun and the grease goes everywhere other than into the Zerk fitting.

The ball joint is pressed into the upper arm and the boot retaining flange is bolted down on top of the ball joint, but the hub upright is not attached so there is no load on the ball joint at all other than the pressure of grease built up in the housing of the ball joint.

My question is this, am I potentially damaging the ball joint by injecting grease without some back pressure on the joint. I'm concerned that I might be exerting enough pressure to start deforming the heavy duty plastic cup ring that retains the ball joint in its seat.



* Flavia ball joint.jpg (38.47 KB, 480x360 - viewed 157 times.)
« Last Edit: 05 August, 2016, 12:21:14 PM by Angle Grinder » Logged

Current Cars: 1994 2.0 VIS Thema Station Wagon, 1967 Flavia 1.8 PF Coupe.

Previous cars:
1983 Prisma 1600
1991 Thema 16v i.e. SE
1988 Thema 8v Turbo
1992 Thema 16v i.e.
1983 Gamma Coupe (manual)
1993 Thema VIS
1994 Thema VIS LE
1990 Thema 2.8
lancialulu
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« Reply #2 on: 05 August, 2016, 12:30:19 PM »

dont these joints also have a tapped hole to apply grease via nipple? If so you could play with a spare to see if you have to load it. I must admit I probably have only greased the complete assembly (loaded or unloaded) and never had your problem.Try tapping the ball shaft to see if you can feel the spring behind.
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Its not the winning but taking part! or is it taking apart?
1955 Aurelia B12
1967 Flavia Vignale iniezione
1967 Fulvia 1.3HFR
1972 Fulvia 1600HF
1972 Fulvia 1600HF
1972 1600 Fulvia Sport
1979 2500 Gamma Coupe
1988 Delta 1.6GTi
1998 Zeta
Angle Grinder
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« Reply #3 on: 05 August, 2016, 12:54:57 PM »

Out of curiosity, I took another spare ball joint that wouldn't accept grease either and pumped it full of grease with it held in a vice at the base. As the grease pressure increased, the ball joint started to push its way out of the base and eventually "popped" out. There was no spring in the base?
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Current Cars: 1994 2.0 VIS Thema Station Wagon, 1967 Flavia 1.8 PF Coupe.

Previous cars:
1983 Prisma 1600
1991 Thema 16v i.e. SE
1988 Thema 8v Turbo
1992 Thema 16v i.e.
1983 Gamma Coupe (manual)
1993 Thema VIS
1994 Thema VIS LE
1990 Thema 2.8
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