Question about 2000 Nissan Maxima

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I have a 1997 nissan Maxima. It is 6 cylinders. i am going on my third harmonic balance. The top pulley keeps seperating from the bottom pulley which are held together by a rubber core assembly. Trying to figure out why this keeps happening. Repair lasts approximately one month before loosing the belt. Your help greatly appreciated. Gary

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  • Gary Mcgrean
    Gary Mcgrean Apr 07, 2014

    still cant get bolt to break loose


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Might be that one of your other pulleys is bent and over the course of a month it wobbles the belt and causes the harmonic balancer to split apart. Check all the other pulleys to see if they wobble or are bent.

Posted on Nov 13, 2010

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1 Answer

Need to locate crankshaft sensor on 1999 maxima

It is covered by the harmonic balancer behind the crankshaft pulley on the front of the engine.

Sep 22, 2014 | 1999 Nissan Maxima

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Which direction do i turn the harmonic balancer bolt to remove it on a 1997 honda civic 1.6 liter

The harmonic balancer bolt is a normal bolt with right hand threads, so you need to turn it counter-clockwise.
The hardest part of the process is to keep the crankshaft from turning. An impact wrench is the easiest way to go, but if you don't have one, you can use a large strap wrench or chain wrench to hold the harmonic pulley. I use a section of an old belt to protect the pulley.

Aug 03, 2014 | 1997 Honda Civic

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Why does my 96 3.0 maxima keep having to have harmonic balancer replaced

That's a real tough one. How many have you had? Are you getting the new ones from the same source? It may be a bad batch if you are. Other possible cause is misalignment of the belt pulleys or over-tightening of belts. Is it being fitted correctly by mechanic? By that I mean he's not stressing the rubber by holding outside of pulley with large pipe wrench while tightening centre nut. I know this is not a solution and I'm sorry about that but it is a guide to possible causes and apart from the above causes I really don't know. Unless you want to go with the poltergeist/alien theories ha ha.

Jun 07, 2014 | 1996 Nissan Maxima

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Can I use a 1995 Harmonic balancer on a 1997 Nissan Pickup 4 cylinder

Hi Cecil,got a 85 Nissan 720 4x4,had it 20 years,to find out for sure,call your local Nissan Dealer,ask for parts,then ask him and he can look it up on there Nissan data base and tell you,I use my local Nissan Dealer often and they know me well.The best place to find out anything Nissan.You can get your oil change there regulary and they will scan for free and if something is wrong,they will tell you for free,then you have the option of letting them repair or you can do it.

Mar 11, 2013 | 1997 Nissan Pickup

1 Answer

What makes a harmonic balancer bend

If what you are reffering to is known in some makers as a humming balancer, it could be because of a misaligned pully/belt assembly. Check to see if this assembly has been modified in such a way as to stop it from moving once attached. Example, the main crankshaft pulley may have been attached by welding (in the case I helped work to fix, by a "bush mechanic"). This stopped any play that was there to enable the balancer to do its job, but since the weld pulled slightly to one side, over time this kept bending the balancer and/or breaking the belt.

May 16, 2012 | 1997 Nissan Maxima

1 Answer

I have a 2000 nissan sentra my harmonic balance is bad according to a autozone person it moves when the car is on and he told me it needs to be replaced because it has play i need to replace and find out...

The harmonic balancer is integrated with the crankshaft pulley, and if replaced requires taking the bolt out from the side of the 4 cyl. engine.

I would recommend that an experience engine rebuilder perform the service.

Inspect the Harmonic Balancer:

The harmonic balancer (vibration damper) is inspected for signs of wear in its center bore.
  • Also inspect the rubber mounting for indications of twisting and deterioration.
  • The outer ring can slip, causing an out of balance condition. Replace any harmonic balancer that has slipped.
  • With the cylinder head removed and the piston at top dead center (TDC), make a visual comparison. Do the timing marks for TDC on the timing cover and damper appear to be accurate.
  • Be sure the damper is the correct one for the vehicle. The wrong one can be worse than none at all.
  • Sometimes a damper can become loose on the crank. Check the keyway for wear that can result from improper damper installation, the wrong size key, or a loose damper hub to crank fit.
  • Be sure all pulleys are straight. A damaged pulley can force a crankshaft to bend during engine operation.
This is a general guide on replacing the harmonic balancer, but there are other instructions that the rebuilder would follow to actually do the service for you:

To remove the harmonic balancer, the cylinder head and timing cover must be removed and the piston should be at top dead center (TDC).
  • Install the vibration damper by pounding it on, or use a special installation tool.
  • Generally, the damper is installed unit it bottoms out against the oil slinger and the timing sprocket.
  • If in doubt, install the water pump and pulley, and then pound the damper into place until its pulley aligns with the water pump pulley.
  • It is advisable to use the installation tool, because pounding on the damper can cause stress on the crank thrust bearing surface.
  • It is best to stand the engine block on end and support the crankshaft if the damper must be pounded on.
  • Some vibration dampers are not pressed-fit on the crankshaft.
  • Be sure to install a large washer behind the damper retaining bolt on these engines; otherwise, the damper might fly off, causing damage and a safety hazard.

Feb 09, 2011 | Nissan Sentra Cars & Trucks

1 Answer

I have read the question about the crankshaft pulley wobbling really bad and needing a harmonic balancer and my question the harmonic balancer and the crankshaft the same thing? I have the same...

The end of the crankshaft is usually called a snout, because that is what it looks like — just a shaft sticking out of the front of the engine between 1½" and 2" in diameter, with a threaded hole in the front, and a key-way along the side.

The harmonic balancer slides over the end of the crankshaft, and is held in place by a bolt and washer goiing into the front of the crankshaft.

The harmonic balancer usually has a ring around the outside separated from the part that goes over the crankshaft by a ring of neoprene. The neoprene and that outer ring are the vibration damper, preventing the crankshaft from ringing. On the face of the balancer the pulleys for accessories are mounted.

Every engine I have worked on — except motorcycles, lawnmowers and outboards — use this arrangement.

Regarding your case, I would do the disassembly first, then — with the parts in your hand — go get the replacement parts. Best guarantee I know of to make sure you get the right parts.

Jun 21, 2010 | 1996 Nissan Maxima

1 Answer

Can I change the harmonic balancer (crankshaft pulley) without special tools? It is wobbling pretty bad and causing very loud belt squeak.

yes just loosen your power steering pump to get the belts loose then get an air gun or figure out a wawy to keep the pulley still and it will come right off

Feb 08, 2010 | 1997 Nissan Maxima

1 Answer

Ihave 1988 buick lasebra, and it keep cutting off, what you think the problem might be

If this occurs only when hot check for spark if there is no spark on all cylinders the problem may be the ignition module under the 3 ign coils. also check the crank position sensor for contact with the reluctor on the harmonic ballancer , this is on the lowest pulley for the serpentine belt near the bottom of the engine . DO NOT REMOVE the sensor for inspection , allignment is critical.. check fuel pressure, should be 30 to 35 psi. should stay between this pressure all the time while running.. if not fuel pump may be faulty...good luck

Nov 04, 2009 | 1997 Nissan Maxima

1 Answer

1992 nissan maxima timing belt replacement

need to take off almost every thing from the front of the motor. then take off top half of timing cover.
pull the harmonic balance pully off. then the bottom half of the cover will come off. becareful
the cam gears are hard to aline.
do you no where the knock sencor is located?
if so please email me @

Mar 07, 2009 | 1992 Nissan Maxima

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