The original transmission shudder fix A concentrated friction modifier formulated specifically for instantly eliminating torque converter lock-up shudder Provides four times less wear than regular ATF For use in any automatic transmission fluid (not for use in Ford Type F or CVT applications) Voted top product by transmission professionals Instant Shudder Fixx Friction Modifier is the number one transmission instant shudder eliminator used by more professional transmission technicians. This is a five time concentrated friction modifier formulated specifically for eliminating transmission shudder problems instantly. In order to use it, the contents should be emptied directly into the ATF (automatic transmission fluid) via Filter Tube and then drive normally. The results will be immediate. instant shudder fixx is compatible with all conventional or synthetic automatic transmission fluids. It is for the best overall performance and long term transmission benefit. The Lubegard automatic transmission protectant is recommended to be used as well for long term benefit (Part Number, 60902. It is sold separately).
My experience as a young man driving old cars was that additives were almost always a waste of money. When a mechanic I trust told me a couple of years ago that this 2-oz tube contained the friction modifiers that distinguished Mercon V from previous formulations of transmission fluids, I thought it might be worth a try--particularly since a full flush and refill with Mercon V on my Ford product's 4R70W would cost about $180 where I live. (My trans fliud was still bright red, didn't sme..
I've been around mechanical contraptions all my life, worked as an equipment technician for a large state agency for 30 years and I've seen my share of "fixits in a tube", pretty much none of which that ever worked. I have a Chevy Avalanche (1500, 4L60E trans.), I love this truck and I baby the thing...in spite of the fact that it puked the transmission at 36,000 miles. The dealer rebuilt it, 30,000 miles later I had a synthetic flush performed, figured I was doing everything right. A few..
Buy it, it works for the shudder. My wifes 98 Explorer had a terrible shudder for about three months and I was dreading taking it in for repairs. When reading about transmission shudder all over the internet a lot of people suggested Dr. Trannys Instant Shudder Fixx, I ordered some and put it in and within ONE mile the shudder was COMPLETELY gone. WOOHOO! I hear that it has something to do with the torque converter not locking up completly but after adding this it shifts smoothly and ..