cold weather

Hey Jeepers, I've got a 2001 TJ 4.0 with 176K miles on it. I've noticed that it's first put into gear that it hesitates to move forward, then "lurches" and dies. This only happens when it's cold, and when it's warm, there are no issues. I've changed the Idle Control Valve (I think I have it...

So, I have a 2003 4.0 manual transmission 5 speed. To my knowledge that is the NV3550. Now that it’s colder (like 30’s and 40’s) at home, it’s really quite stiff getting into gear and of course hitting second is quite the task. I switched to Red Line 50205 MTL 75W80 GL-4 recently to see if that...