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zmax 51-306 transmission formula: reduce ๐Ÿš— carbon build-up, improve shifting performance - 6 oz logo

zMAX 51-306 Transmission Formula: Reduce ๐Ÿš— Carbon Build-Up, Improve Shifting Performance - 6 oz Review

8

ยท

Very good

Revainrating 4.5 out of 5ย ย 
Ratingย 
4.5
๐Ÿ’จ Automotive Additives, ๐Ÿ›ข๏ธ Motor Oils & Fluids

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Description of zMAX 51-306 Transmission Formula: Reduce ๐Ÿš— Carbon Build-Up, Improve Shifting Performance - 6 oz

PROTECT YOUR VEHICLE: zMAX Transmission Formula is easy to use! Micro-lubrication soaks into metal surfaces improving lubrication to reduce gear wear and varnish buildup. Keeps seals supple, preventing leaks and improving shifting. TRANSMISSION EFFICIENCY: Improve performance by adding the formula to your transmission fluid to reduce slippage and rough shifting. Brings back smooth shifting gears resulting in an improved response. Add every time you change your transmission fluid. TRANSMISSION LUBRICANT: Cleans varnish for smoother shifting and lubricates bearings, gears, and the hydraulic system. Perfect for both automatic or manual transmissions. Not for use in CVT transmissions. Does not void manufacturer's warranties. ECONOMICAL PREVENTATIVE MAINTENANCE: Pour into transmission fluid to keep the gears lubricated and in top condition. The eco-friendly formula is industry tested, mechanic trusted and improves the performance and the driving experience. TRUSTED QUALITY AND PERFORMANCE: zMAX is proud to be the Official Micro-lubricant of Speedway Motorsports. Trusted for over 80 years, the USA made Transmission Formula saves money at the pump and extends the engine life of all your vehicles.

Reviews

Global ratings 8
  • 5
    7
  • 4
    0
  • 3
    0
  • 2
    0
  • 1
    1

Type of review

Revainrating 5 out of 5

fully met my expectations

Received on time. This is a supplement that fully met my expectations. I applied it to my 1988 Toyota 4x4 pickup and the result was a more powerful and smoother manual transmission. Perfect .

Pros
  • High marks for support and durability from testers
Cons
  • Clarity

Revainrating 5 out of 5

It works, but it takes time.

I agree with the rest, it works. I had the same problem as other reviews, a little slipping or hesitation from first to second or second to third. A month after installation it drives almost like new. It's not perfect, but it's a noticeable difference.

Pros
  • Weight
Cons
  • Not everything fits

Revainrating 5 out of 5

Best mistake I've ever made

I bought it to use in a car with CVT transmission. Unfortunately, the product is not compatible with CVT transmissions. So I used it in my other car. I never realized how hard my other car was running. The results were almost instant. The car runs smoothly and the mileage is getting better. my best mistake

Pros
  • Trial for a year
Cons
  • Very expensive

Revainrating 1 out of 5

Waste of time on transmission

I have a 2005 Impala SS code P0741 and I bought it to cheaply fix a problem after a transmission oil/filter change. After a normal driving cycle, the lamp came on again after cleaning. When I checked the fluid after 1000 miles it looked the same as the day I flushed it. waste of money.

Pros
  • Free for educational purposes
Cons
  • Dull packaging

Revainrating 5 out of 5

BEST MATERIALS for additives

Bought a 1997 Ford Expedition from my brother. The first thing I did was put all three products in my car. I thought the level was ok, but it just didn't feel right. taken to the mechanic you trust. He checked my fluid. not a liter but five. If I hadn't put on Zmax, I sure would have cooked a trance.

Pros
  • Hands free operation
Cons
  • Some little things

Revainrating 5 out of 5

It really works! Worth buying.

I have purchased zMax Transmission Formula twice for my Buick Enclave and it seems to be working great. Anyone familiar with Enclaves knows that the 1st generation models suffered from many premature transmission problems. like 80000km. I first tried it about a year ago, just before a 2 day trip, and the shifting seemed smoother with better grip and movement. After almost a year I put another bottle in to keep it in good condition. It seems to help. So far 110,000 km driven without problemsโ€ฆ

Pros
  • Very impressive
Cons
  • Long delivery time

Revainrating 5 out of 5

Hundreds of dollars saved!

So I have a 2003 Grand Prix SE 3.1 v6 with 199,800 miles on it. The transmission shifted very hard and jerked under acceleration from a standstill, forcing me to take my foot off the accelerator. Anyway, I've been trying zMAX gear treatments and cars for years as a preventive measure. There was no damage. So I figured why not try it on this machine and see if it helps. yes it helped I drove 70 miles right after I put it on. It shifts smoothly and squeaks when the tires take off, rather thanโ€ฆ

Pros
  • Sleek design
Cons
  • Reliability

Revainrating 5 out of 5

Works great.: Additive

We have a 2014 GMC Acadia with about 109,000 miles on it. We bought it used and when I got it I noticed that the gear oil hadn't been changed yet. So I did a conditioner and the transmission has improved by 90%. 1 to 2 and 2 to 3 were a bit heavy shifting though, not bad but I knew it shifted smoother than what it was doing. So I got a ZMAX which I used to use in my oil but never in a transmission. Needless to say, he got the shift points perfectly clean. After about 30 minutes of driving heโ€ฆ

Pros
  • Best in Niche
Cons
  • I'll add later