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Anyone Use Liqui Moly MoS2 Oil Additive?

AtlantaDad

AtlantaDad

Drag Race Newbie
Location
Cumming, GA
I'm at a little over 80k miles, and hearing some lifter noise, so thinking about throwing a can of MoS2 in with my upcoming oil change. Anyone use it? Is it safe to use in our engines? I'm thinking it can't hurt, but I'm no expert. I never even played one on TV once.

Also, Liqui Moly Cera Tec is twice as expensive, but is it worth it?

Ps. I'm begging you (yes, you) not to turn this into another "which oil" thread. And I don't care about $100 additives. Let's just talk about Liqui Moly MoS2, and/or Cera Tec (or things in that ballpark). TIA!
 
anotero

anotero

Autocross Champion
Location
Hither and thither
Car(s)
Mk7 GTI
AtlantaDad said:
I'm at a little over 80k miles, and hearing some lifter noise, so thinking about throwing a can of MoS2 in with my upcoming oil change. Anyone use it? Is it safe to use in our engines? I'm thinking it can't hurt, but I'm no expert. I never even played one on TV once.

Also, Liqui Moly Cera Tec is twice as expensive, but is it worth it?

Ps. I'm begging you (yes, you) not to turn this into another "which oil" thread. And I don't care about $100 additives. Let's just talk about Liqui Moly MoS2, and/or Cera Tec (or things in that ballpark). TIA!
Click to expand...

What's lifter noise?
 
sprinks

sprinks

Drag Racing Champion
Location
United States
There's lifter tick if you listen closely to some mk7 engines. Typically on cold starts, in my experience. i've used both mos2 and ceratec. I noticed immediate change in engine noise (reduced lifter noise) with the mos2. The ceratec was nice but not as noticeable immediately (no surprise tbh). I'll probably toss a thing of ceratec every few changes as recommended.
 
anotero

anotero

Autocross Champion
Location
Hither and thither
Car(s)
Mk7 GTI
sprinks said:
There's lifter tick if you listen closely to some mk7 engines. Typically on cold starts, in my experience. i've used both mos2 and ceratec. I noticed immediate change in engine noise (reduced lifter noise) with the mos2. The ceratec was nice but not as noticeable immediately (no surprise tbh). I'll probably toss a thing of ceratec every few changes as recommended.
Click to expand...

Got it. Are these additives to be dumped only immediately before oil changes?
 
sprinks

sprinks

Drag Racing Champion
Location
United States
Mos2 is molybdenum disulfide and is a well known friction modifier. It's added to the oil after an oil change typically (with fresh oil). Ceratec is similar, but uses another blend of ceramic additives to reduce wear/friction
 
jimlloyd40

jimlloyd40

Autocross Champion
Location
Phoenix
Car(s)
2018 SE DSG
The products being talked about will have to be continually added to help quiet your engine. There's a one time treatment that will permanently quiet your engine. Forum members Twist1 and cptnjosh have used it and can attest to it. I used it and 3 guys that I know with Veloster Turbos have used it and swear by it.

https://cermatreatment.com/products/engine-treatment-for-gas-and-diesel-autos?variant=14123871666211
It's expensive but it is a one time treatment. If you order it use the promo code "xeperformance" for a 20% discount. In the long run its less expensive than continually adding additives with every oil change. Below is a thread with some results near the end of the thread.

https://www.golfmk7.com/forums/index.php?threads/tapping.371543/page-4
 
V

Visceral

Go Kart Newbie
Location
Northbrook, IL
OK, just took a leap of faith and ordered the Cerma product. The discount code didn't work but whatever, its on it way. Got 53K on the odometer and seems like a better deal than putting additives in every oil change.
 
jimlloyd40

jimlloyd40

Autocross Champion
Location
Phoenix
Car(s)
2018 SE DSG
Visceral said:
OK, just took a leap of faith and ordered the Cerma product. The discount code didn't work but whatever, its on it way. Got 53K on the odometer and seems like a better deal than putting additives in every oil change.
Click to expand...

Did you use promo code xeperformance? Works for me every time.
 
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