only if the idler arm will not hold the tension on the belt and the pulley needs replaced when the are warn sharp or warn flat
you need to pull the valve cover and oil pan and front cover and then you can replace the upper timing chain on the altima but if you are going to do this job i would recommend you replace the gear that hooks the lower and upper chain together this is called the idler gear and it is the one that causes the noise all the time.
which ones? upper or lower?
yes you do
If it is a 4cyl then no. It has an upper and lower timing chain. If it is a 6cyl then yes. It has a timing belt, an idler, and a belt tentioner that all should be replaced at the same time.
I have lost both my upper and lower dentures and i have no money to re[place them. Is ther any help for me anywhere?
Upper and lower ball joints (4). Inner and outer tie rod ends (4). Idler arm (2). Pitman arm (1).
upper or lower.
How can I whiten my temporary upper and lower partials?
opposite upper is lower Normandy.What do upper and lower refer to?
He lived some where in lower Egypt. But lower Egypt is upper Egypt because upper is lower and lower is upper.
Change lower ball joints on a 96 gmC 4 by 4
The crowns of upper and lower Egypt were combined because King Menes combinded upper and lower Egypt. He decidd to combine upper and lower Egypt and the crowns.