Question about 1997 Chevrolet C1500

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Will a 350 harmonic balancer fit a 305 crankshaft? A 350 and 305 block are the same except for the bore but are the crankshafts?

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The balancers are certainly different
DO NOT USE as a swap or damage may become of the engine.It has happened before

Posted on Jun 01, 2010

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How to replace crankpully on 3300 olbs


The harmonic balancer on these engines is now press fit onto the crankshaft and requires the use of Tool J-38197 for removal. The torque specification to be used during installation has also been revised. The procedure to be used when replacing the crank sensor is as follows:

REMOVAL






  1. Disconnect serpentine belt from crankshaft pulley.


  2. Raise vehicle on hoist.


  3. Remove right front tire and wheel assembly.


  4. Remove right inner fender access cover.


  5. Using 28 mm socket, remove crankshaft harmonic balancer retaining bolt.


  6. Remove crankshaft harmonic balancer using Tool (J-38197).


  7. Remove foreign object deflector (DO NOT use pry bar).


  8. Disconnect sensor electrical connector.


  9. Remove sensor and pedestal from block face.


  10. Remove sensor from pedestal




INSTALLATION






  1. Loosely install crankshaft sensor on pedestal.


  2. Position sensor with pedestal attached on Tool J-37089.


  3. Position tool on crankshaft.


  4. Install bolts to hold pedestal to block face, torque to (18-26 lb. ft.).


  5. Torque pedestal pinch bolt to (26-44 lbs. in.).


  6. Remove Tool J-37089.


  7. Install foreign object deflector.


  8. Place Tool J-37089 on harmonic balancer and turn. If any vane of the harmonic balancer touches the tool, replace the balancer assembly.


  9. Install balancer on crankshaft.


  10. Apply thread sealer GM #(NNN) NNN-NNNNor equivalent to threads of crankshaft balancer bolt. Torque bolt to + 56 degrees (104 lb. ft. + 56 degrees).


  11. Install inner fender shield.


  12. Install tire and wheel assembly. Torque lug nuts to (104 lb. ft.).


  13. Lower vehicle.


  14. Install serpentine belt.
see this vedio

Jul 11, 2014 | 1993 Oldsmobile Cutlass Ciera

2 Answers

Location of crankshaft censer 2007 chevy cobalt


The Crank shift sensor is located in front of the motor in between the intake manifold and oil filter housing, nest to the knock sensor. Look on side cylinder block beside starter.you have to remove the starter to remove the crankshaft sensor. Hope this helps. Thanks for choosing Fixya, RJ

May 16, 2011 | 2007 Chevrolet Cobalt Coupe

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

Need to replace the crankshaft position sensor


REMOVAL & INSTALLATION
  1. Disconnect the negative battery cable.
  2. Remove the serpentine drive belt from the crankshaft pulley.
  3. Raise and safely support the vehicle.
  4. Remove the right front wheel and tire assembly and the right inner fender access cover/splash shield.
  5. Using a 28mm socket, remove the crankshaft harmonic balancer retaining bolt.
  6. Remove the crankshaft balancer, using a puller if necessary.
  7. For 1992-99 vehicles, remove the CKP sensor shield. Fig. 1: If so equipped, remove the crankshaft position sensor shield 89634g95.gif

  8. Unplug the sensor electrical connector.
  9. For 1987-91 vehicles, perform the following:
    1. Remove the sensor and pedestal from the block face.
    2. Remove the sensor from the pedestal.
  10. For 1992-99 vehicles, remove the sensor from the block face. To install:
    1. For 1987-91 vehicles, perform the following:
    2. Loosely install the crankshaft sensor on the pedestal.
    3. Position the sensor, with the pedestal attached, on crankshaft sensor installation tool J 37089 or equivalent.
    4. Install the bolt to hold the pedestal to the block face, then tighten to 14-28 ft. lbs. (20-40 Nm). Fig. 2: Position the crankshaft sensor tool on the crankshaft 89634g76.gif
      Fig. 3: Insert the crankshaft sensor tool into the harmonic balancer 89634g75.gif

    5. Tighten the pedestal pinch bolt to 30-35 inch lbs. (3-4 Nm).
    6. Remove the special tool.
    7. Place the crankshaft sensor tool on the crankshaft balancer and turn. If any vane on the harmonic balancer touches the tool, replace the balancer.
  11. For 1992-99 vehicles, install the CKP sensor on the block.
    1. Install the retaining bolts and tighten to 14-28 ft. lbs. (20-40 Nm).
    2. Install the crankshaft position sensor shield.
    3. Attach the sensor electrical connector.
  12. Install the balancer on the crankshaft.
  13. Tighten the crankshaft bolt to 200-239 ft. lbs. (270-325 Nm) for 1987-91 vehicles. For 1992-99 vehicles, tighten to 110 ft. lbs. (150 Nm), plus an additional 76°rotation.
  14. Install the inner fender shield and the right tire and wheel assembly.
  15. Carefully lower the vehicle.
  16. Install the serpentine belt.
  17. Connect the negative battery cable.
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Oct 29, 2010 | 1999 Oldsmobile 88

1 Answer

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

2 Answers

Were is the crankshaft position sensor located on 2001 chevy mali


It mounts in the side of the block near the crankshaft,it fits in a hole,going into the engine block.,look on the inside of the engine compartment ,on the firewall side,left of the pulleys,down low.

Mar 22, 2010 | Chevrolet Malibu Cars & Trucks

1 Answer

Crankshaft sensor on a Monte Carlo 2001 SS 3.8 where is this on the car and how to replace it?


3.8L Engine
  1. Turn OFF the ignition.
  2. Remove the serpentine belts from the crankshaft pulley.
  3. Raise the vehicle.
  4. Remove the right front wheel and tire assembly.
  5. Remove the right inner fender access cover.
  6. Hold the flywheel with a (J 37096) flywheel holding tool.
  7. Using 28 mm socket, remove the crankshaft harmonic balancer retaining bolt.
  8. Remove the crankshaft harmonic balancer, using a (J 38197-A) balancer remover.
  9. Remove the crankshaft position sensor shield (1). Do not use a pry bar.
  10. Disconnect the sensor electrical connector.
  11. Remove the attaching bolts from the crankshaft position sensor.
  12. Remove the crankshaft position sensor from the block face.
To install:
  1. Position the crankshaft position (CKP) sensor to the block.
  2. Install the bolts to hold the CKP sensor to the block face. Tighten the bolts to 14-28 ft. lbs. (20-40 Nm).
  3. Reinstall the crankshaft position sensor shield.
  4. Connect the CKP sensor electrical connector.
  5. Position the crankshaft harmonic balancer on the crankshaft.
  6. Hold the flywheel with a (J 37096) flywheel holding tool.
  7. Using a (J 36660-A) torque/angle meter, tighten the harmonic balancer bolt to 110 ft. lbs. (150 Nm), plus an additional 76 degrees.
  8. Install the right inner fender access cover.
  9. Install the right front wheel and tire assembly.
  10. Tighten the wheel nuts to 104 ft. lbs. (140 Nm.).
  11. Lower the vehicle.
  12. Reinstall the serpentine belts.

It looks like this:

fd368a5.jpg

Jan 10, 2010 | 2001 Chevrolet Monte Carlo

1 Answer

Crankshaft Position Sensor and Camshaft Position Sensor


REMOVE OR DISCONNECT

  1. Serpentine belt from the crankshaft pulley.
  2. Raise the vehicle on a hoist.
  3. Right front tire and wheel assembly.
  4. Right inner fender access cover.
  5. Using a 28 mm socket, remove the crankshaft harmonic balancer retaining bolt.
  6. Crankshaft harmonic balancer using tool J 38192 or equivalent.
  7. Sensor electrical connector.
  8. Foreign object deflector.
  9. Sensor and pedestal from block face.
  10. Sensor from pedestal.
INSTALL OR CONNECT:

  1. Loosely install the crankshaft sensor on the pedestal.
  2. Position the sensor with pedestal attached on special Tool J 37089.
  3. Position the special tool on the crankshaft.
  4. Bolts to hold the pedestal to the block face, torque to 20-40 Nm (14-28 lb.ft).
  5. Torque the pedestal pinch bolt to 3-4 Nm (38-40 lb.in).
  6. Remove special tool J 37089.
  7. Place the special tool 37089 on the harmonic balancer and turn. If any vane of the harmonic balancer touches the tool, replace the balancer assembly.
  8. Balancer on the crankshaft.
    • Apply thread sealer (GM 1052080) or equivalent to the threads of the balancer bolt.
  1. Torque the crankshaft bolt to 140 Nm + 56°(104 lb.ft + 56°).
  2. Foreign object deflector.
  3. Electrical connector.
  4. Inner fender shield.
  5. Tire and wheel assembly, torque to 140 Nm (104 lb.ft).
  6. Lower the vehicle.
  7. Serpentine belt.

Jun 02, 2009 | 1994 Buick Regal Gran Sport

1 Answer

I CANT LOCATE CRANK POSITION SENSOR


7X Crankshaft Position (CKP) Sensor
Lower rear of engine
4
25
--
24X Crankshaft Position (CKP) Sensor
Right hand side of engine, at end of crankshaft, behind harmonic balancer
7X Crankshaft Position (CKP) Sensor
Lower rear of engine
4
25
--
24X Crankshaft Position (CKP) Sensor
Right hand side of engine, at end of crankshaft, behind harmonic balancer
Right hand side of engine, at end of crankshaft, behind harmonic balancer

Apr 12, 2009 | 1995 Chevrolet Monte Carlo

1 Answer

Where is the camshaft and crankshaft position sensors on a 1998 Silverado with a 5.0 Liter 305 V8?


The camshaft position sensor is the distributor on the back top of engine. The crankshaft position sensor is right behind the harmonic balancer on the front of the engine

Jul 29, 2008 | Chevrolet C1500 Cars & Trucks

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