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Can I re-use my 2wd front bearing nut
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dubbified
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PostPosted: Tue May 13, 2025 9:10 pm    Post subject: Re: Can I re-use my 2wd front bearing nut Reply with quote

jlrftype7 wrote:
dubbified wrote:
DanHoug wrote:
dubbified wrote:
Im dreaming of the Smallcar heater core update... dxing the vanagon core/hvac is high on my list for next projects.


i'm very curious what they are using for a heater core! the OE Vanagon one is very large and has a high fin density for lots of BTU extraction.


They are using a VintageAir as I can see.. They do have a vintage air catalog, its on there.. except smallcar does a kit for the vanagon, with some custom parts as I can see.. sure one can do the same thing.. but for a COTS, commercial off the shelf setup..... it depends on how you wish to spend your life.

I like what they did. If there were better options.. I'm lookin for them.

Did I say I hate the front bearing setup? I like the rear bearing setup being sealed.. its really hard to understand why an open grease bearing in the front, and a sealed in the rear.. vs sealed all the way around, they coulda avoided that entirely.
You have to remember when this vehicle was designed and produced, that re-packable front wheel bearings were the NORM, not the exception for many car makers.
The general rule was that you were going to clean,inspect, repack, or replace, your front wheel bearings with doing a brake job or at set intervals.
Once ABS became the norm, engineers wanted a tighter clearance check on the front wheel bearings for Speed sensors, so that meant eliminating the chance that someone, Tech or owner, didn't set the running clearance correctly and screw up the tolerance level of the runout of the hub or ABS ring.
So, everyone went to hub bearings that were sealed and part of an assembly, Front Wheel Drive also pushed the adjustable, serviceable bearings aside as well since it was easier to have a sealed bearing for CV shafts being supported at the HUB.


I've had 10+ MK1 Rabbit body hardtop, GTI, and Cabriolets.. 2 MK2s.. and done so many taildragger bearings.. ugggh.

Yep. Looking at my Audi, very similar front end/front wheel drive.. it has a hub, and a sealed bearing. I love my Audi.

Changing the bearings, easy.

Just the same, I am going to buy the mercedes adjustable nut.. that's gold.

Smile

Thanks for the eyes on and suggestions!

Today, the issue is solved, glad to get this fixed before spring launch.
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borninabus Premium Member
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PostPosted: Wed May 14, 2025 4:11 pm    Post subject: Re: Can I re-use my 2wd front bearing nut Reply with quote

dubbified wrote:
When I repacked my front bearings with fresh Redline CV2....

why did you use CV grease on your front wheel bearings?
do they recommend it for use in disc brake wheel bearing applications?
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raygreenwood
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PostPosted: Thu May 15, 2025 5:28 pm    Post subject: Re: Can I re-use my 2wd front bearing nut Reply with quote

borninabus wrote:
dubbified wrote:
When I repacked my front bearings with fresh Redline CV2....

why did you use CV grease on your front wheel bearings?
do they recommend it for use in disc brake wheel bearing applications?


CV-2 is an NLGI 2 grease (just like most wheel bearing greases) with a drop point of 500°F. It would or should be just fine for wheel bearings. It even lists use for wheel bearing use on the TDS.

https://www.redlineoil.com/cv-2-grease

However, I will mention that while CV greases can be excellent for ball and roller bearings because they meet or exceed most of the specs the bearings require....and also usually have quite a bit more EP anti scuff metals like molybdenum, lead, calcium and lithium.

However it does not work the other way around. An NLGI #2 grease made for a BEARING will not have enough of the metals to use in CV joints.

For actual wheel bearings, one of the beat greases I have found and have been using for about 45 years is Mystik JT-6.

Ray
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dubbified
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PostPosted: Fri May 16, 2025 11:05 am    Post subject: Re: Can I re-use my 2wd front bearing nut Reply with quote

borninabus wrote:
dubbified wrote:
When I repacked my front bearings with fresh Redline CV2....

why did you use CV grease on your front wheel bearings?
do they recommend it for use in disc brake wheel bearing applications?


Thanks,

Here's the spec data, which seems to indicate high speed, and I come from industry.. building conveyors, systems.. high/low speed..

When I was weighing out whether to CV2.. or not.. I also compared the product support pages,

https://www.redlineoil.com/Content/files/tech/cv-2_grease_prod_info.pdf



Ask AI, it summarizes. Bing.com Copilot, and confirmed on redline/community pages.

QUESTION:
Can I use redline CV2 on drive bearings?


Red Line CV-2 grease is a high-performance synthetic lubricant designed for extreme temperatures and pressures. It is commonly used in wheel bearings, U-joints, and high-angle CV joints2.

For drive bearings, CV-2 grease offers:

High-temp stability (operating range from -100°F to 500°F)2.

Extreme-pressure protection, reducing wear2.

Water resistance, preventing corrosion2.

Low evaporation and oil separation, ensuring longevity2.

Organic moly additive, enhancing lubrication2.

If you're considering using it on drive bearings, it should provide excellent durability and protection.


Even cross comparison,

Q:Compare to any other brand grease, is this one better?
Red Line CV-2 grease is highly regarded for its high-temperature stability, extreme-pressure protection, and water resistance, making it a top choice for demanding applications. However, other brands also offer strong contenders:

Lucas Red & Tacky #2: Known for its adhesion and water resistance, often recommended as an alternative to CV-2.

Schaeffer 238: Offers excellent wear protection and is sometimes compared to Red Line CV-2.

Royal Purple Synthetic Grease: Competes with Red Line in terms of film strength and corrosion resistance.

Each grease has its strengths depending on the application. If you're looking for high-performance CV joint or bearing grease, Red Line CV-2 is a solid choice, but alternatives like Lucas Red & Tacky or Schaeffer 238 might also work well. Do you have a specific use case in mind?

I've touched these lubes, and Redline, is my go to.. since middleschool.. I've worked on industrial, and automotive machines.. everything else in between.

This one, sticks, does not melt, move, or fling. Its crazy.

I am glad they created it!

The proof is also in the sound difference. Less vibrational sounds in every bearing I'd packed, its smoother, too.

One direct very clear reference, My mens 22" mountainbike that I converted to Crank drive..

BBSHD, gearset used a lith synth, which it was incredibly whiney, very geary, I know cause my twig/giggleberries are on the seat.. directly transmitting those vibes.... I could feel vibrations into and through the bike, and into me..

So, given laws of conservation.. those motions are not going into the drive.

The core of the motor was poorly built, and the output shaft inside the gearbox broke.

I replaced it with an upgraded version, from LUNA Cycles, and say to use synth.. so I used my Redline.

No other time can I say, what I am literally sitting on, grabbing handlebars.. and pulling a trigger (throttle) or pedal assist..

Zero vibration, zero sound from the motor, and gearing.

The other crazy thing, I ride it to work I have a baseline of battery power reference and I see that I have more battery than prior setup..

Then, HEAT. The same ride produced FAR less heat on the motor, which does have cooling fins.. I'm not kidding I can pull the trigger and ride it without it overheating. It has overheated and shut down, using the prior lube.

Takeaway:
Considering, all I did was replace the core, with the same core, and a stronger center shaft, output shaft.. and repack with grease.. I'll take that to the bank.

Not one to shirk a comparison.. and possibly find a new product if we can find good references.. I did a compare to Mystik, Same search with copilot

Q:
How does this compare to Mystik JT-6

Red Line CV-2 and Mystik JT-6 are both high-performance greases, but they have some key differences:

Base Type: Red Line CV-2 is a synthetic lithium complex grease, while Mystik JT-6 is a lithium-based grease with variations including high-temp and multi-purpose formulas.

Temperature Range: CV-2 has an extreme temperature range (-100°F to 500°F), making it ideal for high-heat applications.

Mystik JT-6 also offers high-temp stability, but its range is slightly lower.

Water Resistance: Mystik JT-6 is known for excellent water washout resistance, making it a strong choice for marine and wet environments. CV-2 also has good water resistance, but Mystik JT-6 may outperform it in extreme wet conditions.

Extreme Pressure Protection: CV-2 contains organic moly additives, which enhance film strength and wear protection. Mystik JT-6 also provides solid EP protection, but CV-2 may have an edge in high-load applications.

If you're looking for high-temp, extreme-pressure grease, Red Line CV-2 is a great choice. If water resistance and general-purpose use are priorities, Mystik JT-6 might be better suited.

Then, I compared again, shock load.

What is the heat range difference between redline and the mystik?


Red Line CV-2 and Mystik JT-6 High Temp #2 grease have different operating temperature ranges:

Red Line CV-2: -100°F to 500°F, making it ideal for extreme high-heat applications.

Mystik JT-6 High Temp #2: -10°F to 350°F, which is still high-temp but not as extreme as Red Line.

If you're dealing with very high temperatures, Red Line CV-2 might be the better choice. If you need solid performance in general high-temp applications, Mystik JT-6 is a strong contender.

Always open to alternatives.. given the cost/availability!

I also, just rebuilt my rear wiper motor..

I couldnt hear it work... it was SILENT. Smile
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raygreenwood
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PostPosted: Fri May 16, 2025 2:37 pm    Post subject: Re: Can I re-use my 2wd front bearing nut Reply with quote

Actually virtually no one uses run of the mill Mystik JT-6. I have never even seen it readily available.
The high temperature variant is what they made their name on. It's drop point is 558° F.

For actual bearings there are very few greases that can match JT-6.

But, for CV joint use....the fact that the JT-6 is thickened differently and does not flow as well down to as low of a temperature as CV2....and has as noted....a bit less EP metal in it, make the CV2 superior for CV joints.

Ray
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