To remove the harmonic balancer on my 1992 Pathfinder, I needed to loosen the alternator and power steering belts, remove the cooling fan (4 10 mm nuts), remove the radiator (2 10 mm bolts hold it to the frame, remove top and bottom hose [The drain **** is covered by what appears to be a coolant line], as well as the overflow tube to the reservoir. With a 3/4" impact gun and a 27 mm socket, remove the bolt that retains the alt, ps shieves and the harmonic balancer to the crankshaft. With a large 3 jaw puller, remove the harmonic balancer with the pully sheives as an assembly. I do not recommend attempting the removal without the puller.
To put it back on, you will need a large torque wrench for the crankbolt and a small torque wrench for with a crowsfoot for the fan nuts.
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You should be able to get to the harmonic balancer while it's in the car. Remove right tire( use jack stands to hold the car up- not a jack). remove the inner splash guide and the balancer will be exposed. Using 3 jaw puller to remove harmonic balancer
Yes. Jack the car up securely. you need to take passenger wheel off.remove caliper off . remove rotor. remove shock assembly and wheel bearing assembly slide.axleshaft out of the way.take serpinetine belt off. remove cover so you can see and access harmonic balancer.use impact to take bolt out of harmonic balancer.use wheel puller to take off harmonic balancer. Crank sensor should be right under harmonic balancer.
Before you change anything,,check and see if everything is in line..Also feel all the pulleys and make sure everything turns ok...If the powersteering pump has been replaced,,sometimes the pulley was not pressed on far enough..If it seem to be the harmonic balancer make sure its not damage and the bolt in the middle is tight...If you remove it..You remove middle bolt,,then you have to use a puller to remove the harmonic balancer itself..unusuall for the harmonic balancer to be bad unless it was hit by something
CRANKSHAFT PULLEY IS THE HARMONIC BALANCER.YOU NEED THESE TOOLS TO REMOVE HARMONIC BALANCER, YOU NEED HARMONIC BALANCER REMOVER AND INSTALLER TOOL.YOU NEED A LARGE PIN SPANNER WRENCH TO HOLD HARMONIC BALANCER IN PLACE WHILE LOOSEN THE HARMONIC BALANCER BOLT.
YOU NEED A HARMONIC BALANCER PULLER TOOL AND A 15M SIX POINT SOCKET TO REMOVE HARMONIC BALANCER BOLT.TURN OFF RADIO AND REMOVE THE DRIVE BELT AND REMOVE THE NEGATIVE BATTERY CABLE. REMOVE THE STARTER SO YOU CAN PUT A LARGE SCREW DRIVER OR LARGE PUNCH TO STICK IN ONE OF THE FLY WHEEL HOLES TO KEEP ENGINE FROM TURNING WHEN YOU LOOSEN THE HARMONIC BALANCE BOLT. ALSO SCREW DRIVER AND PUNCH CAN KEEP ENGINE FROM TURNING WHEN REMOVER THE HARMONIC BALANCER. YOU WILL NEED A HELPER TO HOLD PUNCH OR SCREW DRIVER WHILE YOU LOOSEN THE BOLT. YOU CAN GO TO SEARS OR ANY AUTO PARTS STORE AND BUY HARMONIC BALANCER PULLER.TORQUE HARMONIC BALANCER BOLT TO 76 FT LBS.
The harmonic balancer controls the triggering of the combined crankshaft/camshaft sensor. This controls ignition plus fuel injection. Replace the balancer and adjust the sensor or replace it if damaged.
First remove right front tire and support vehicle with a jack stand. Remove splash guard lower portion near the harmonic balancer. Remove all drive belts. First remove the A/C alternator belt. Loosen the 14mm bolt at the front of the belt tenioner and then loosen the tensioner bolt (it is the one that stands out, you use a socket on it.). The power steering adjuster bolt with be gained from the bottom. It has a 12mm bolt head on it. You will break the jamb bolt loose first and then loosen the adjusting bolt. Pull down on the belt the help move it after you've loosened it some.Then remove harmonic balancer bolt (19mm).If the harmonic balancer will not slide off the crankshaft then use a two finger gear puller. Place the harmonic balancer bolt back in the crankshaft but do not tighten it. Leave it about a half inch from being all the way in. Next place the puller onto the harmonic balancer (one finger on each side securely press into the belt groove. The center puller bolt will rest against the harmonic balancer bolt head. Tighten the puller bolt and make sure the harmonice balancer bolt does not turn. The balancer should come off at this point.