Truck lunges while stopped

[Nick The Great]

...and you can't go wrong by lubing your shaft every once and a while.

On a serious note, I plan to do mine when it's not so fWonking cold out.

 

[Sodbuster]

It may be two different problems between yours and the OP. I say the shaft, due to that its a common problem.

Plus, it doesn't cost much and you can't go wrong by lubing your shaft every once and a while.

Sounds like good advice....

 

[Shanks12]

Truck has a touch over 40k on her now and running great. Keep her well-maintained; regular oil/filter changes (full synthetic), tire rotations, air filter replacements. The one thing I haven't done is any chassis lubrication. I don't have a grease gun and judging by the manual, it states that some fittings are "maintenance free." I did have the splines lubed around 15k as I was getting an intermittent clunking sound, especially on initial acceleration.

Current issue: If I'm stopped at a light for 30 seconds to a minute or so, while idling the truck is quiet and smooth as silk, but every once in awhile, she'll clunk briefly or rather make a feel like she wants to jump forward; not dangerously hard, but enough to notice. I'm certainly not an expert, just curious what this may be caused from and what I need done? TIA!!!

Sounds like my fiance's car... but its a 01 cougar with 173k on it... makes me nervous me every time I drive it

 

[CJ Hungus]

Did you ever get this figured out?