The are a few reasons why a vehicle could make a clanking noise upon cranking. The oil level could be low. A hydraulic lifter could be stuck causing the engine to flood. The spark plug wires could be crossed. It could even been a weak battery.
motor mount
could be the rear strut bushings are bad.
There can be several things that will cause your 1994 Jeep grand Cherokee to make a loud clanking noise when you drive it. The most common cause is a bad u-joint.
Why should I know?
ball joint or tierod end
If it is a thumping and a front wheel drive car, it is probably one of the axles.
If the sound is a loud growling , whining, noise you're probably low on power steering fluid. Now the cause of the fluids loss is WHERE ?
Power Steering Fluid Low.
Could be a wheel bearing
Loud and sustained or repetitive noise.
roar really loud noise
you have a bad power steering pump get a new one