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-   -   New here, question about harmonic balancer (https://maxima.org/forums/5th-generation-maxima-2000-2003/703386-new-here-question-about-harmonic-balancer.html)

3van.a33 01-10-2019 08:21 PM
New here, question about harmonic balancer
 
Hey all, I picked up a 2001 Maxima back in october of 2018, and the harmonic balancer was bad (slight but visible wobble), as the accesory belt was whining and squeaking VERY loudly. I just got the new one in today, and I was wondering is there any specific amount I should torque it down to when i get around to installing it? Thanks!
https://cimg0.ibsrv.net/gimg/maxima....08b33dfc82.jpg

DougR 01-10-2019 09:12 PM
https://cimg5.ibsrv.net/gimg/maxima....545c024cf6.jpg

Child_uv_KoRn 01-11-2019 06:47 AM
I put em on with my impact. I don't want a sheared key. It's not a dampener or balancer, just a pulley (yes, the myth bothers me lol).

DougR 01-11-2019 07:19 AM
If it's just a pulley, then I'm wondering if something else is wrong. Why would a pulley bend? Is misalignment more likely? Is the belt glazed? Is the belt loose? Was the belt properly installed on all the pulleys? Spray some water on the belt when the engine is running. If the noise goes away, check for a misaligned or worn belt. If the squeaking or squealing continues after being sprayed with water, then the problem could be a bearing on the belt tensioner or a components bearing, such as the a/c compressor or alternator bearinng.

Child_uv_KoRn 01-11-2019 07:23 AM
Originally Posted by DougR (Post 9192587)
If it's just a pulley, then I'm wondering if something else is wrong. Why would a pulley bend? Is misalignment more likely? Is the belt glazed? Is the belt loose? Was the belt properly installed on all the pulleys? Spray some water on the belt when the engine is running. If the noise goes away, then check for a misaligned or worn belt . If the squeaking or squealing continues after being sprayed with water, then the problem could be a bearing on tensioner or components bearing, such as the a/c compressor or the alternator bearing.
Idiots glue two pieces together with a strip of rubber in the middle for less belt noise...as if there's anything worth mentioning to begin with. It's a normal problem on all cars whether it's actually a balancer or not. The rubber rots and the pulley starts wobbling and will eventually separate.

DougR 01-11-2019 10:10 AM
Originally Posted by Child_uv_KoRn (Post 9192582)
… It's not a dampener or balancer, just a pulley …
When I use the word pulley, I think of a solid metal object without an additional layer of dampening material. A harmonic balancer may contribute a little something to longer belt life and less belt noise, however, it's primary function is to dampen higher levels of torsional vibration at critical frequencies. If we want to get 300,000 miles out of our engine with fewer issues, then a harmonic balancer will help do that. I've never had a bad balancer, so I used Google to find out more about it. I found this Nissan Maxima video
I also found numerous examples of nasty things that could happen if a harmonic balancer is not repaired promptly. Keep us informed of your progress 3van....

DennisMik 01-11-2019 12:55 PM
Originally Posted by Child_uv_KoRn (Post 9192588)
Idiots glue two pieces together with a strip of rubber in the middle for less belt noise...as if there's anything worth mentioning to begin with. It's a normal problem on all cars whether it's actually a balancer or not. The rubber rots and the pulley starts wobbling and will eventually separate.
I love your glowing compliment of the wonderful Nissan engineers .:laugh:

Donkeypunch 01-11-2019 09:26 PM
google harmonic damper


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