jasons
Newbie
My sons truck, 1996 C1500, 5.0 seems like it shifts late or maybe it's not locking the TC, when hot. Monitoring coolant temps with my OBD reader, we're seeing around 185 degrees it seems to shift normal. When it starts to get over 200, we see this shifting issue. I think it's most obvious when leaving a stoplight so I'm not sure if it's isolated to a 1-2 shift. My son thinks it's all shifts. Typically the AC is on too which I don't know how that's a factor other than obviously adding heat to the system. Also we put in a new VSS with no change. I've looked through the items in this thread and I'm not sure I see anything that leaps out.
Also, checked the fluid level and it's spot on.
4L60E Messed up? Help Within
Written by Dok Erik Von Broski This will be of some help: 1. Slow, slipping or no reverse: low/reverse clutches are worn out, fluid leak in the reverse apply circuit, or broken sun shell. It is possible to remedy a fluid problem by removing the check ball from its cage in the case in...
www.gmt400.com
Also, checked the fluid level and it's spot on.