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You are watching: 2006 buick lucerne serpentine belt diagram

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Premium MemberMaryland Eastern ShoreIf it won"t run, chrome it
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I am giving the car to my son. I want it to be in the best possible condition and not have him worry about maintenance /repair items too soon. Having said that how long is this serpentine belt good for?I also have a whirring sound when I start the car and it continues for awhile after I shut down the engine. Sounds like some pulley freewheeling? Any thoughts?
Where is the whirrr located? Engine compartment, cabin, trunk, under the rear? Fan noise?I doubt you"ll get much good Buick info in these Cadillac forums.
The whirring noise is coming from the engine compartment almost like a rotating pulley bad bearing or bushing. So i"m thinking idler pulley, tensioner pulley, ac compressor. I do not suspect the alternator as I have replaced many and haven"t heard anything like this from an alternator. It"s like the whirr of a jet engine taking off. I asked questions on this forum because of the Cadilac Northstar Engine 4.6 L
I am giving the car to my son. I want it to be in the best possible condition and not have him worry about maintenance /repair items too soon. Having said that how long is this serpentine belt good for?I also have a whirring sound when I start the car and it continues for awhile after I shut down the engine. Sounds like some pulley freewheeling? Any thoughts?
Normally the Northstar cooling fans do not run after engine - OFF except if the engine is seriously overheated. Otherwise they run in SLOW if the coolant gets to 224 degrees; FAST at 236. The fans run in SLOW any time some A/C compressor function is set and usually don"t run at over 30 mph - not needed.Or something is causing the AIR blower to run all the time - but it"s only supposed to run for short periods at cold start to quickly light off the cat.A pulley would not be heard for more than 3 - 4 seconds after engine - OFF if the belt had any tension at all.Does a Buick Northstar install use an electric coolant pump?
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