2013 escalade lifters
one lifter is bad, should i replace them all?
Generally, it is a good idea to replace all of them. It Is a lot of work getting to the lifters so it's best to replace all. You should also try to find out why it failed if possible (was the oil not changed regularly?) Clogged oil ports and gunk are sometimes the cause of bad lifters.
You should also check the cam lobes, if there is any pitting or if the lobes are worn the cam should also be replaced. To do it right you should do a complete cam and lifter kit.
2009 escalade esv awd - new left front axle - new left front hub - new front brakes and calipers. when you start out about 10 mph there is a screaching or grinding noise that comes and goes. ?