A Blast from the Past
Today, we have a similar problem with welds cracking in General Motors’ 4T40-E oil-feed-tube assembly (see Figure 1). Lube failure to the forward-clutch-support assembly, slipping or no reverse, loss of engine braking in manual low and slipping or no forward are all possible with weld failure of the oil-feed-tube assembly.
AFL and AFL
AFL stands for actuator feed limit and another fourth lost.
Perhaps you’ve already chased this on a 4L80-E or in a somewhat similar fashion on a 4L60-E. Here’s how badly it can go. You take in your buddy’s 4L80-E with converter codes and failsafe operation beginning to appear at normal mileage. Make it worse: It’s a good buddy, so you give him a break on the price. You scan the unit, drive it, do a careful rebuild, check TCC-related areas, put in a good converter, fill it with your preferred red fluid and reset the computer.
P1870 Revisited
Just when you thought you had all the P1870 torque-converter-clutch slip codes under your belt, another vehicle comes along – and here we go again!
A Dozen Traits of the Highly Successful Shop Owner
Successful shop owners share certain traits, characteristics and methods of doing business. Here are the 12 that are the most prominent and mean the most to ongoing success.
