Worm Shaft Grease?

Maintenance/Repairs
1

It looks like I’m going to be taking apart my worm shaft (the shaft that transfers rotation from the eps motor to the column) because of what I’m relatively certain is a bad bearing and there’s a good chance I’ll need to replace the grease that’s there.

In Hyundai TSBs for newer models, they show a picture of ‘kluebersynth le 44-31’ grease. I can’t buy this grease. On the product page it says:

So, it’s a steel shaft against a plastic gear. Because of the plastic, I’m assuming petroleum based isn’t a good idea.

Any recommendations on what I might use?

Note: my hyundai is from 2010. No warranty, no recall. Newer models have either a shaft or a bearing kit that includes the grease. No kit for me.

2

Have you asked at a Hyundai dealership parts department? Have you tried Googling that name?

3

As I said, I can’t buy this grease. I googled it. The only online source is from Germany and it’s 400 euros. I’m trying to get this done quickly (no dealer open today). I’m also looking for options in case I can’t get to the dealer (I’d prefer not to drive the car this way) or shipping from a dealer takes too long.

4

Sorry you are having this difficulty. I’ve never heard of that product myself. It’s possible somebody here knows, knock on wood.

5

Your car made it 13 yrs. I think any grease will work for the next 3-4 years. Most plastic gear drives for power windows use a petroleum based grease. Use Vaseline.

2 Likes
6

Use a moly grease. It is what we used to use on power window motor gears. Those were a steel worm gear on nylon reinforced plastic. Petroleum greases will not damage plastics.

2 Likes
7

Looking on the datasheet, it lists the primary components and capability:

Chemical composition, thickener lithium soap
Chemical composition, solid lubricant PTFE
Chemical composition, type of oil synthetic hydrocarbon oil
Lower service temperature -50 °C / -58 °F
Upper service temperature 130 °C / 266 °F

Super Lube makes a synthetic lithium based grease w/PTFE that has compatible temperature range. It is widely available-

Super Lube Grease is a patented synthetic, multi-purpose lubricant with Syncolon (PTFE). Synthetic base fluids and the addition of PTFE micro powders combine to form a premium lubricant that provides protection against friction, wear, rust and corrosion over a temperature range of -45°F to +450°F. Super Lube Grease is a USDA/NSF listed Food Grade lubricant NLGI-2, rated H-1 for incidental food contact, and will not run, drip, melt or separate. Compatible with most other lubricants, Super Lube outlasts conventional greases 3–4 times

6 Likes
8

Using the datasheet. That’s brilliant, thank you.