A 2010 Charger does not have any chassis lubrication points.
The 2005 Chevy trailblazer does not have any lubrication points on the chassis. All of the chassis parts that need to be lubricated par sealed.
You obviously need a lubrication of the chassis.
no lubrication points, all ball joints and steering parts are sealed.
The shaft, chassis, ball jonts, etc are lubricated for life
The 2001 Pontiac does not have any lubrication points. All of the components on the automobile are sealed and do not need to be lubricated.
All sealed bearings, no lubrication necessary.
There are no lubrication points. The squeaky component will need replaced.
No grease zerks on a 2003 Ram 1500.
Unless you find some grease fittings there is no lubrication necessary as they are sealed units.
The 2001 Chevrolet suburban does not have suspension lubrication points. The squeaking noises you hear is an indication of the shocks needing replacement.
It could be a bad wheel bearing, it could be a need for chassis lubrication, it could be disc brakes which are worn out.