Transmission slipping, hard shifts, or delayed engagement into Drive all point to the same root cause: loss of hydraulic pressure. These are not symptoms to wait on. Low line pressure accelerates clutch wear fast — and what starts as a...
In a busy transmission shop, time is the one thing you can't get back. Every day a vehicle sits on the lift waiting for the correct part is a day of lost revenue and a hit to your reputation. These...
If your vehicle has a 6-speed U660E transmission, you might have experienced harsh shifts or a frustrating delay when engaging drive. These U660E valve body problems often stem from internal wear that compromises hydraulic integrity and leads to expensive failures....
The GM 6L80 transmission (and its heavy-duty sibling, the 6L90) is a sophisticated powerhouse found in iconic vehicles like the Chevrolet Silverado, GMC Sierra, and Cadillac Escalade. However, its complexity is also its downfall. For a shop or a vehicle...
You’re driving on a perfectly smooth road… yet your car suddenly feels like you’re rolling over a rumble strip. That annoying vibration kicks in out of nowhere, and the big question hits: Is it your tires… or something going on...
Towing on an incline or in high temperatures might seem like a standard task, but inside your transmission, a silent problem is brewing: heat builds up fast. It’s no coincidence that nearly 90% of automatic transmission failures are heat-related. The...
You just invested in a transmission rebuild. You leave the shop feeling confident, drive a few blocks, stop at the first red light… accelerate… and boom—the shift feels harsh. Your first thought is immediate: “Something was done wrong.” When you...
That moment your car gives a slight jerk while shifting gears is enough to trigger panic. While there may be no warning lights, something clearly feels off. Often, the issue isn’t a major mechanical failure but something much simpler: an...
This topic focuses on the purchasing and repair decision—specifically, how to choose the right replacement parts. It includes a detailed explanation of the materials, breaking down what friction discs are made of (such as cellulose, resins, and ceramic particles) and...
It is very good product to our business, but the cost, including tax make it hard for us. But we still love it?
Exactly as advertised transmission is shifting phenomenal now
Excellent deal
The Sonnax test kit worked great! Took all the guesswork out of diagnosing a valve body out of an 02 4runner I'd been fighting. Total lifesaver!
Fast Delivery
Fast service top quality grease to do a top quality job. Packaging was excellent. Company was straightforward. Thanks, Rudy
I think it's great stuff and I like to buy from a transmission place because I know they use it and if they like it I know that I can count on liking it. I got it. Recommended to me from a a liberty gears in Detroit and I've been dealing with them for 40 years and if they like it I know I'm going to like it. Especially if putting the needle bearings in a transmission counter shaft, A Hemi 4-speed takes 76 of them,4 rows of 19, 2 rows on each end of the counter shaft. Thanks Rudy
Just what I expected and exactly what was advertised. Arrived safely, securely, and promptly.
nice clutches worked good
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