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  #1  
Old January 13th, 2014, 06:21 PM
CaptMidnite
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Daniel Choi
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belt removal

Anyone have a link to a good write-up for removing and replacing both the fan belt and alternator belt on a NAS 3.9 1994 D90? Does the fan and shroud have to be removed?
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  #2  
Old January 13th, 2014, 06:29 PM
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it helps to remove the shroud as well as the fan, I generally have found it easiest to loosen the fan from the water pump and pull it out with the shroud. I am not sure when Rover changed the belt configuration on the Rovers but its a breeze. Napa has a variety of belts at different price points.
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Old January 13th, 2014, 06:35 PM
CaptMidnite
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Daniel Choi
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I see the alternator belt is a matter of just unbolting and adjusting the tensioner.
As for the fan belt, do I loosen/unbolt the idler pulley?
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Old January 13th, 2014, 07:04 PM
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Just remember...it's passenger side to driver side to loosen the viscous fan clutch (i.e. clockwise if you're standing in front of the vehicle facing it). Ask me how I know: http://www.defendersource.com/forum/...ad.php?t=40545

But technically I don't *think* you need to remove the fan to do the belts, though it may make it easier. I replaced all of my belts at a later date, and just can't recall if I pulled the fan at that time (pretty sure I did not). The power steering belt was more of a bitch, and I actually ended up just pulling the bolts that hold the pulley on and slipping the entire pulley off to replace the belt (which is actually how many shops do it).

Just remember after some time on there you'll need to re-tension the belts after the seat/stretch.

------ Follow up post added January 13th, 2014 07:10 PM ------

Quote:
Originally Posted by CaptMidnite View Post
I see the alternator belt is a matter of just unbolting and adjusting the tensioner.
As for the fan belt, do I loosen/unbolt the idler pulley?
Yes, as you lay underneath the truck you can look up at the idler pulley and you'll see the adjustment bolt on there, just loosen it and you'll be able to rotate the pulley enough to loosen & get the belt off.
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Old January 13th, 2014, 07:44 PM
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go here http://lhsw.com/d90/

download lhp28

Its 148meg but it will answer any question you might have about wiring diagrams, workshop procedures, or part numbers. It even has the original owners manual and service bulletins. Its basically everything Rover ever published about the NAS spec trucks.
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Old January 13th, 2014, 08:58 PM
CaptMidnite
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Daniel Choi
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Thanks everyone, very helpful!
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