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Alternator belt change

Tiny
SPANKYNO
  • MEMBER
  • 1999 NISSAN SENTRA
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 135,000 MILES
Ive loosened the lock nut and adjusting bolt and still can't get the pulley to release the old belt. Is there a pivot point/bolt or am I just missing something? And, is there a diagram to show me this? Thanks again guys.
Saturday, October 23rd, 2010 AT 4:13 PM

15 Replies

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
The belt has an idler pulley that keeps it tensioned, loosen that pulley.

Here is a guide that will show you everything you need to see to change the alternator and all belts in this scar.

https://www.2carpros.com/diagrams/nissan/sentra/1999


https://www.2carpros.com/forum/automotive_pictures/261618_Noname_2834.jpg



https://www.2carpros.com/forum/automotive_pictures/261618_Graphic_19.png



1.6L GA motor..


https://www.2carpros.com/forum/automotive_pictures/261618_Graphic2_103.jpg

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Saturday, October 23rd, 2010 AT 9:53 PM
Tiny
PARAONZE
  • MEMBER
  • 1 POST
  • 1998 NISSAN SENTRA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 220,000 MILES
Hi. I have a 1998 nissan sentra, 1.6 L. I need to replace the power steering belt. I have the part, it's just that getting in there to loosen off the worn belt is a really tight fit! How can I squeeze in there, and how can I replace it with a new belt? Do I have to jack up the vehicle and do it from the underside?
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Tuesday, December 27th, 2016 AT 2:28 PM (Merged)
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,320 POSTS
Hey PARAONZE,

Replacement of the belt is a straightforward job. You need to loosen the alternator adjusting bolt and pull at the belt to loosen it.

Here is a guide that will help along with a diagram, please let me know if you know anything else.

https://www.2carpros.com/articles/replace-serpentine-belt

Please let us know happens so it will help others.

Best, Ken

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Tuesday, December 27th, 2016 AT 2:28 PM (Merged)
Tiny
ROBERTIII1960
  • MEMBER
  • 1 POST
  • 2001 NISSAN SENTRA
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 98,000 MILES
Engine Mechanical problem
2001 Nissan Sentra 4 cyl Two Wheel Drive Automatic 98000 miles

My belts are old on the car and I want replace them. I had no problem with theback belt getting it on. But the power steering belt I can't get it loosened. I loosened the tension bolts. Is there any others screws I need to loosen to get the belt on.
Your help is much appreciated
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Tuesday, December 27th, 2016 AT 2:28 PM (Merged)
Tiny
J DAVIS
  • MEMBER
  • 3 POSTS
There's a bolt on the bottom of the power steering pump, which must be loosened so the pump can move forward, so the belt can be removed.
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Tuesday, December 27th, 2016 AT 2:28 PM (Merged)
Tiny
SHEILAC
  • MEMBER
  • 1 POST
  • 2002 NISSAN SENTRA
  • 4 CYL
  • MANUAL
  • 138,500 MILES
To change the serpentine belt on a 2002 Nissan Sentra GXE with a 1.8 lit engine, what part do you loosen to replace the belt? Is there an easier way to remove the first belt to put on the serpentine belt?
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Tuesday, December 27th, 2016 AT 2:28 PM (Merged)
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
See diagrams
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Tuesday, December 27th, 2016 AT 2:28 PM (Merged)
Tiny
BECKYHAY
  • MEMBER
  • 1 POST
  • 1992 NISSAN SENTRA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 164,000 MILES
Belt broke and water pump seized. We have replaced the water pump and the belt but the car won't start now
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Tuesday, December 27th, 2016 AT 2:28 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the valve timing could be off when you replaced the belt-
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Tuesday, December 27th, 2016 AT 2:28 PM (Merged)
Tiny
  • MEMBER
  • 0 POST
  • 2006 NISSAN SENTRA
  • 50,000 MILES
Replace alternator belt?
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Tuesday, December 27th, 2016 AT 2:28 PM (Merged)
Tiny
IMPALASS
  • MECHANIC
  • 3,112 POSTS
Rotate the belt tensioner in direction of arrow and remove belt from pulleys. Install new belt according to belt direction.
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Tuesday, December 27th, 2016 AT 2:28 PM (Merged)
Tiny
EDWINVIII
  • MEMBER
  • 1 POST
  • 1996 NISSAN SENTRA
Engine Mechanical problem
1996 Nissan Sentra 4 cyl Front Wheel Drive Automatic 160K miles

i can't figure out what bolts to loosen so I can change out the ac compressor and water pump belt. I'm looking for a tension wheel to loosen but it does not have one. This is a nissan sentra 1996 1.6 automatic gxe. Thanks.
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Tuesday, December 27th, 2016 AT 2:29 PM (Merged)
Tiny
ZACKMAN
  • MECHANIC
  • 4,202 POSTS
For the A/C, you need to loosen the tension on the alternator. There are two bolts/nuts to loosen. The first one is the nut that is holding the tension bolt, and then the tension bolt itself. Once that is done, you can remove the belt from the alternator and A/C pulleys.

For the water pump, it is similar, but you need to do it on the power steering pump. If you are looking at the front of the engine (where all the pulleys and belts are), the P/S pump will be on your left hand side, next to the thermostat.
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Tuesday, December 27th, 2016 AT 2:29 PM (Merged)
Tiny
  • MEMBER
  • 0 POST
  • 1999 NISSAN SENTRA
  • 166,873 MILES
Hi
I'm currnetly doing a service on my car so I need to change the water pump, alternetor & AC compressor belts
I managed to release the alternator & ac belt. But the water pump belt wont move.
I would like to ask how do you remove the water pump belt on my car
we released the the lock nut and the bracket but
the belt will not losen

is there another nut or bolt hidden some where that we need to losen
its a south african moddel nissan sentra 1999 160si

Thanks
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Tuesday, December 27th, 2016 AT 2:29 PM (Merged)
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
After loosening the adjusting bolt at power steering pump, the pump should be able to be moved inwards to release the tension on the belt.
Pull hard at the belt. Losen the power steering pump lower bolt if necessary.
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Tuesday, December 27th, 2016 AT 2:29 PM (Merged)

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