N62 AC Belt Question
Hey all,
I have a 2008 E70 with N62 4.8 engine. Does anyone know the procedure to install the AC belt? I want to replace it and the tensioner roller, but do not see how to preload the tensioner. It does not appear to be a stretch belt application... but what do I know. Can I get some help here, please. Thanks. |
N62 AC Belt Question
Does this help? Says N62 http://www.bimmerfest.com/forums/att...5&d=1317104555
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Thanks, both of you, but I am not sure if this refers to my X5.
The First set of instructions would make it appear that its a stretch belt. However, when I look at my belt I have a tensioner roller that you put manual tension on (as in not a hydraulic tensioner or not a spring loaded one. Here is the link to the V-belt and belt tensioner: 2008 BMW X Series (E53,E70,E71,E83) X5 4.8i Belt Drive Climate Compressor |
I have replaced belts on a 3 series e36 and one pulled back a spring loaded tensioner using a Allen key as I recall. E90 info here looks to be saying once again there is a spring loaded tensioner.
They talk of a special tool and a torx in the links prior poster gave. I wonder does one really need that special tool? Anybody here that has actually done this job that can tell us? |
There's one bolt holding it to the engine block that needs to be loosened then one bolt from underneath that applies the tension, you can see the threaded end of this one from the top and how it pushes the pulley up.
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is special needed?
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No special tools are required. The ribbed belt is not a stretch belt. The tensioner pulley is mechanical and the tension is adjusted with a single bolt (head facing down). The access to adjust the pulley is abysmal and very frustrating at best. Do some searching and you will find that I removed the adjustment bolt and cut a slot in the threaded end. This allows the use of a screw driver to easily run the bolt up or down. Breaking loose/tightening still done with proper wrench.
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Thanks.:thumbup: |
Your welcome. I should have clarified that my vehicle has active steering and roll stabilization. If yours does not, access to the adjuster bolt may be significantly better.
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