Consejos y sugerencias de expertos
RSS-
You pulled the pan and found the fluid dark, the magnet loaded. Now you are looking at a valve body, deciding whether it goes back on the bench or into the core pile.Leer ahora -
The Definitive GM 8L90 Transmission Shudder Fix and Fluid Flush Bulletin
Leer ahoraKey Points GM 8L90 shudder is torque converter clutch shudder: the original fluid does not hold stable friction while the TCC slips under control. GM's fix under TSB 18-NA-355 is a full fluid exchange with the updated Mobil 1 Synthetic...
-
Transmission Clutch Pack Clearance Specs by Family: 4L60E, 6R80, 46RE–48RE
Leer ahoraIf you rebuild automatic transmissions, clutch pack clearance is the number that decides how the job ends. Either the unit stays on the road for years, or it comes back on a hook. The problem is that the correct clearance...
-
P0741 Code: How to Diagnose the Torque Converter Clutch and Find the Right Fix
Leer ahoraKey Points Code P0741 indicates continuous slippage exceeding 200 RPM in the torque converter clutch. Ignoring this fault reduces fuel economy by 10% and causes harmful internal temperatures above 200°F. Wear on the valve body and TCC solenoids causes the...
-
Must-Have Transmission Parts to Keep in Your Shop Inventory
Leer ahoraEvery minute a vehicle sits on your lift waiting for a part, you lose billable hours — and you risk sending a good customer to the shop down the street. In high-volume transmission work, a supply-chain gap on a common...
-
Worn Clutch Pack? How to Measure Clutch Wear in a 4L60E (and Other GM Units)
Leer ahoraIf your classic GM truck slips between second and third, or the fluid comes out smelling burnt, a worn clutch pack is usually the first place to look. The good news: you do not have to guess whether an automatic...
-
Transmission Pressure Testing Guide: Diagnosing Hydraulic Failures
Leer ahoraTransmission 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...
-
Stop Losing Money: 4 Critical Transmission Part Ordering Mistakes to Avoid
Leer ahoraIn 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...
-
U660E Valve Body Problems and Recommended Repair Kits
Leer ahoraIf 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....