How to remove and install a Harmonic Balancer on Volvo 740?

To remove and install components for a variety of engine types, disconnect a negative battery cable first. For the 2.3L 4 cylinder engine, remove the drive belts, cooling fan, cooling fan shroud, center nut on the damper, and the damper from the crankshaft. To install, place the damper back on the crankshaft, tighten the center nut to 44 ft. lbs. and then 60 degrees more, before reinstalling the cooling fan shroud, drive belts and cooling fan before reconnecting the negative battery cable. For 2.8L 6-cylinder engine After disconnecting the battery Remove drive belt(s) Cooling fan Raise the vehicle Take off the splashguard Remove the starter and use a special tool to prohibit the turning of the crankshaft, then remove center nut and pulley on the crankshaft being careful of the aligning key. To install, align the pulley on the crankshaft, tighten the center nut to 177-207 ft. lbs., reinstall the starter and splashguard, lower the vehicle and reconnect the battery. For 2.9L 6-cylinder engine, go through similar first steps, then unbolt the 4 bolts of the vibration damper, use a tool to secure the damper, and take off the middle nut and damper. When installing, put the damper back, tighten the center nut to 221 ft. lbs., reinstall the damper bolts, cooling fan, and drive belts, than lower the vehicle and reconnect the battery. For these 2.3L and 2.4L 5-cylinder engines disconnect the battery, raise the vehicle, and get inside the engine by bending backward the fenderwell trim. Remove the drive belt and damper bolts, use a tool to hold the damper and remove the center nut and damper. To install, install the damper back, put the center nut back and tighten to 133 ft. lbs. and install the damper bolts, drive belt, fenderwell trim, lower vehicle, reconnect battery.

How to remove and refit the harmonic balancer on the auxiliary drivebelt for 1.6 litre diesel engine on Volvo S40?

To remove the auxiliary drivebelt, first, lock the harmonic balancer by putting Volvo tool No 999 7169 in the hole in the right hand face of the engine block over the lower section of the flywheel, turn the harmonic balancer till the tool is locked with the corresponding hole in the flywheel. If the Volvo tool is not available, a 12mm rod or drill can be put inside the hole to prevent it from rotating. Next, with the help of an appropriate socket and extension bar, unscrew the retaining bolt, remove the washer and slide the harmonic balancer off the crankshaft. If the harmonic balancer is a tight fit, a suitable puller can be used, and it has to be made sure that the retaining bolt is refitted without the washer, to prevent damaging the crankshaft. For refitting, put the harmonic balancer back in place on the crankshaft, clean the threads of the retaining bolt, and put a coat of locking compound on it. Refit the retaining bolt and washer, tightening it to the specified torque and angle and preventing the crankshaft from turning. Finally, refit and tension the auxiliary drivebelt.

Genuine Volvo Harmonic Balancer

Engine Harmonic Balancer

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21 Harmonic Balancers found

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Volvo Crank Pulley Part Number: 31316803
$299.42 MSRP: $453.68
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Product Specifications
- Other Name: Alternator Decoupler Pulley; Harmonic Balancer; Crank Pulley
Fits the following Volvo Models:
- S60 | 2011-2016 | T6, T6 Polestar, T6 R-Design, T6 R-Design Platinum | 6 Cyl 3.0 L GAS
- S80 | 2007-2015 | 3.2, T5, T6, V8 | 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.2 L GAS, 8 Cyl 4.4 L GAS
- V60 | 2015-2016 | T6 Polestar, T6 R-Design, T6 R-Design Platinum | 6 Cyl 3.0 L GAS
- V70 | 2008-2010 | 3.2 | 6 Cyl 3.2 L GAS
- XC60 | 2010-2016 | 3.2, 3.2 R-Design, T6, T6 Ocean Race, T6 Platinum, T6 Premier, T6 R-Design, T6 R-Design Platinum | 6 Cyl 3.0 L GAS, 6 Cyl 3.2 L GAS
- XC70 | 2008-2015 | 3.2, T6 | 6 Cyl 3.0 L GAS, 6 Cyl 3.2 L GAS
- XC90 | 2007-2014 | 3.2, 3.2 R-Design | 6 Cyl 3.2 L GAS
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Volvo Vibration Damper Part Number: 31359414
$276.10 MSRP: $359.50
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Product Specifications
- Other Name: Oscillation Damper; Harmonic Balancer; Vibration Damper
Fits the following Volvo Models:
- S60 | 2016-2021 | T5, T5 Dynamic, T5 Inscription, T5 Inscription Platinum, T5 Inscription Premier, T5 Momentum, T5 Premier, T5 R-Design, T5 R-Design Special Edition | 4 Cyl 2.0 L GAS
- S60 Cross Country | 2017-2018 | T5 | 4 Cyl 2.0 L GAS
- S80 | 2016 | T5, T5 Platinum | 4 Cyl 2.0 L GAS
- S90 | 2017-2023 | B6 Inscription, B6 Momentum, B6 Plus, B6 R-Design, B6 Ultimate, T5 Inscription, T5 Momentum, T6 Inscription, T6 Momentum, T6 R-Design, T8 Inscription, T8 Momentum, T8 R-Design, T8 Recharge Inscription, T8 Recharge R-Design, T8 Recharge Ultimate | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV), 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV)
- V60 | 2016-2023 | Polestar, T5, T5 Dynamic, T5 Inscription, T5 Momentum, T5 Platinum, T5 Premier, T5 R-Design, T6 R-Design, T6 R-Design Platinum, T8 Polestar, T8 Recharge Polestar | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV)
- V60 Cross Country | 2020-2023, 2017-2018 | B5 Plus, B5 Ultimate, T5, T5 Platinum | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV)
- V90 | 2018-2021 | T5 Inscription, T5 R-Design, T6 Inscription, T6 R-Design | 4 Cyl 2.0 L GAS
- V90 Cross Country | 2018-2021 | T5, T6, T6 Ocean Race | 4 Cyl 2.0 L GAS
- XC40 | 2019-2022 | T4 Inscription, T4 Momentum, T4 R-Design, T5 Inscription, T5 Momentum, T5 R-Design | 4 Cyl 2.0 L GAS
- XC60 | 2017-2023 | B5 Core, B5 Inscription, B5 Momentum, B5 Plus, B5 R-Design, B5 Ultimate, B6 Inscription, B6 Momentum, B6 R-Design, B6 Ultimate, T5 Dynamic, T5 Inscription, T5 Momentum, T5 R-Design, T6 Dynamic, T6 Inscription, T6 Momentum, T6 R-Design, T8 Inscription, T8 Momentum, T8 Polestar, T8 R-Design, T8 Recharge Core, T8 Recharge Inscription, T8 Recharge Inscription Expression, T8 Recharge Plus, T8 Recharge Polestar, T8 Recharge R-Design, T8 Recharge Ultimate | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV), 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV)
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Volvo Vibration Damper Part Number: 1275369
$132.07 MSRP: $155.93
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Product Specifications
- Other Name: Pulley; Harmonic Balancer; Vibration Damper
Fits the following Volvo Models:
- S80 | 1999-2005 | 2.9, T6, T6 Premier | 6 Cyl 2.8 L GAS, 6 Cyl 2.9 L GAS
- XC90 | 2003-2005 | T6 | 6 Cyl 2.9 L GAS
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Volvo Vibration Damper Part Number: 30731038
$216.80 MSRP: $258.10
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Product Specifications
- Other Name: Oscillation Damper; Harmonic Balancer; Vibration Damper
Fits the following Volvo Models:
- XC90 | 2003-2005 | T6 | 6 Cyl 2.9 L GAS
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Volvo Vibration Damper Part Number: 30731045
$311.48 MSRP: $405.58
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Product Specifications
- Other Name: Oscillation Damper; Harmonic Balancer; Vibration Damper
Fits the following Volvo Models:
- C30 | 2008-2013 | T5, T5 R-Design | 5 Cyl 2.5 L GAS
- C70 | 2006-2013 | T5 | 5 Cyl 2.5 L GAS
- S40 | 2004-2011 | 2.4i, i, T5, T5 R-Design | 5 Cyl 2.4 L GAS, 5 Cyl 2.5 L GAS
- S60 | 2012-2016 | T5, T5 Inscription Platinum, T5 Inscription Premier, T5 Platinum, T5 Premier, T5 Premier Plus | 5 Cyl 2.5 L GAS
- S60 Cross Country | 2016 | T5 Platinum | 5 Cyl 2.5 L GAS
- V50 | 2005-2011 | 2.4i, i, T5, T5 R-Design | 5 Cyl 2.4 L GAS, 5 Cyl 2.5 L GAS
- V60 | 2015-2016 | T5, T5 Platinum, T5 Premier, T5 Premier Plus | 5 Cyl 2.5 L GAS
- V60 Cross Country | 2015-2016 | T5, T5 Platinum | 5 Cyl 2.5 L GAS
- XC60 | 2015-2016 | T5, T5 Platinum, T5 Premier | 5 Cyl 2.5 L GAS
- XC70 | 2016 | T5, T5 Platinum, T5 Premier | 5 Cyl 2.5 L GAS
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Volvo Vibration Damper Part Number: 30757567
$311.48 MSRP: $405.58
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Product Specifications
- Other Name: Oscillation Damper; Harmonic Balancer; Vibration Damper
Fits the following Volvo Models:
- S80 | 2007-2010 | V8 | 8 Cyl 4.4 L GAS
- XC90 | 2008-2011 | 3.2, V8, V8 Sport | 6 Cyl 3.2 L GAS, 8 Cyl 4.4 L GAS
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Volvo Vibration Damper Part Number: 30777689
$311.48 MSRP: $405.58
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Product Specifications
- Other Name: Oscillation Damper; Engine Harmonic Balancer; Pulley, Vibration Damper
Fits the following Volvo Models:
- S60 | 2011-2016 | T6, T6 Polestar, T6 R-Design, T6 R-Design Platinum | 6 Cyl 3.0 L GAS
- S80 | 2007-2015 | 3.2, T6 | 6 Cyl 3.0 L GAS, 6 Cyl 3.2 L GAS
- V60 | 2015-2016 | T6 Polestar, T6 R-Design, T6 R-Design Platinum | 6 Cyl 3.0 L GAS
- V70 | 2008-2010 | 3.2 | 6 Cyl 3.2 L GAS
- XC60 | 2010-2016 | 3.2, 3.2 R-Design, T6, T6 Ocean Race, T6 Platinum, T6 Premier, T6 R-Design, T6 R-Design Platinum | 6 Cyl 3.0 L GAS, 6 Cyl 3.2 L GAS
- XC70 | 2008-2015 | 3.2, T6 | 6 Cyl 3.0 L GAS, 6 Cyl 3.2 L GAS
- XC90 | 2007-2014 | 3.2, 3.2 R-Design | 6 Cyl 3.2 L GAS
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Volvo Vibration Damper Part Number: 31401194
$311.48 MSRP: $405.58
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Product Specifications
- Other Name: Oscillation Damper; Harmonic Balancer; Vibration Damper
Fits the following Volvo Models:
- S60 | 2015-2018 | Polestar, T5, T5 Dynamic, T5 Inscription, T5 Inscription Platinum, T5 Inscription Premier, T5 Platinum, T5 Premier, T5 Premier Plus, T5 R-Design Special Edition, T6, T6 Platinum, T6 Premier Plus, T6 R-Design Platinum | 4 Cyl 2.0 L GAS
- S60 Cross Country | 2017-2018 | T5 | 4 Cyl 2.0 L GAS
- S80 | 2015-2016 | T5, T5 Platinum, T6 | 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L GAS
- V60 | 2015-2018 | Polestar, T5, T5 Dynamic, T5 Platinum, T5 Premier, T5 Premier Plus, T6 R-Design, T6 R-Design Platinum | 4 Cyl 2.0 L GAS
- V60 Cross Country | 2017-2018 | T5, T5 Platinum | 4 Cyl 2.0 L GAS
- XC60 | 2015-2016 | T5, T5 Platinum, T5 Premier, T6, T6 Ocean Race, T6 Platinum, T6 Premier | 4 Cyl 2.0 L GAS
- XC70 | 2015 | 3.2, T5, T6 | 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.2 L GAS
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Volvo Vibration Damper Part Number: 31401195
$311.48 MSRP: $405.58
You Save: $94.10 (24%)
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Product Specifications
- Other Name: Oscillation Damper; Harmonic Balancer; Vibration Damper
Fits the following Volvo Models:
- S60 | 2015-2023 | Polestar, Recharge R-Design, T6, T6 Inscription, T6 Momentum, T6 Platinum, T6 Premier Plus, T6 R-Design, T6 R-Design Platinum, T8 Inscription, T8 Polestar, T8 R-Design, T8 Recharge Core, T8 Recharge Inscription, T8 Recharge Plus, T8 Recharge Polestar, T8 Recharge R-Design, T8 Recharge R-Design Expression, T8 Recharge Ultimate | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV)
- S80 | 2015 | T5 | 4 Cyl 2.0 L GAS
- S90 | 2017-2019 | T5 Inscription, T5 Momentum, T6 Inscription, T6 Momentum, T8 Inscription, T8 Momentum | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV)
- V60 | 2017-2021 | Polestar, T5, T5 Dynamic, T5 Platinum, T5 Premier, T6 Inscription, T6 Momentum, T6 R-Design, T6 R-Design Platinum, T8 Polestar, T8 Recharge Polestar | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV)
- V60 Cross Country | 2017-2018 | T5, T5 Platinum | 4 Cyl 2.0 L GAS
- V90 | 2018-2021 | T5 Inscription, T5 R-Design, T6 Inscription, T6 R-Design | 4 Cyl 2.0 L GAS
- V90 Cross Country | 2017-2021 | T5, T6, T6 Ocean Race | 4 Cyl 2.0 L GAS
- XC60 | 2015-2023 | B5 Core, B5 Inscription, B5 Momentum, B5 Plus, B5 R-Design, B5 Ultimate, B6 Inscription, B6 R-Design, B6 Ultimate, T5 Dynamic, T5 Inscription, T5 Momentum, T5 R-Design, T6, T6 Dynamic, T6 Inscription, T6 Momentum, T6 Ocean Race, T6 Platinum, T6 Premier, T6 R-Design, T8 Inscription, T8 Momentum, T8 Polestar, T8 R-Design, T8 Recharge Core, T8 Recharge Inscription, T8 Recharge Inscription Expression, T8 Recharge Plus, T8 Recharge Polestar, T8 Recharge R-Design, T8 Recharge Ultimate | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV), 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV)
- XC90 | 2016-2023 | B6 Core, B6 Plus, B6 Ultimate, T6 First Edition, T6 Inscription, T6 Momentum, T6 R-Design, T8 Excellence, T8 Inscription, T8 Momentum, T8 R-Design, T8 Recharge Core, T8 Recharge Inscription, T8 Recharge Inscription Expression, T8 Recharge Plus, T8 Recharge R-Design, T8 Recharge Ultimate | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV), 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV)
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Volvo Vibration Damper Part Number: 32380012
$375.20 MSRP: $488.55
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Product Specifications
- Other Name: Oscillation Damper; Harmonic Balancer; Vibration Damper
- Replaces: 32253160
Fits the following Volvo Models:
- S60 | 2022-2023 | B5 Core, B5 Inscription, B5 Momentum, B5 Plus, B5 R-Design, B5 Ultimate | 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV)
- S90 | 2022-2023 | B6 Inscription, B6 Momentum, B6 Plus, B6 R-Design, B6 Ultimate | 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV)
- V90 Cross Country | 2022-2023 | B6, B6 Plus, B6 Ultimate | 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV)
- XC40 | 2023 | B4 Plus, B4 Ultimate, B5 Core, B5 Plus, B5 Ultimate | 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV)
- XC60 | 2022-2023 | B5 Core, B5 Inscription, B5 Momentum, B5 Plus, B5 R-Design, B5 Ultimate, B6 Inscription, B6 Momentum, B6 R-Design, B6 Ultimate | 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV)
- XC90 | 2023 | B5 Core, B5 Plus, B6 Core, B6 Plus, B6 Ultimate | 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV)
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Volvo Vibration Damper Part Number: 30731039
$530.95 MSRP: $691.34
You Save: $160.39 (24%)
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Product Specifications
- Other Name: Oscillation Damper; Harmonic Balancer; Vibration Damper
Fits the following Volvo Models:
- C70 | 2003-2004 | Base | 5 Cyl 2.3 L GAS, 5 Cyl 2.4 L GAS
- S40 | 2003-2004 | Base, LSE | 4 Cyl 1.9 L GAS
- S60 | 2003-2009 | 2.4, 2.4T, 2.5T, 2.5T AWD, AWD, Base, R, T5 | 5 Cyl 2.3 L GAS, 5 Cyl 2.4 L GAS, 5 Cyl 2.5 L GAS
- S80 | 2004-2006 | 2.5T, 2.5T AWD | 5 Cyl 2.5 L GAS
- V40 | 2003-2004 | Base, LSE | 4 Cyl 1.9 L GAS
- V70 | 2003-2007 | 2.4, 2.4T, 2.5T, 2.5T AWD, AWD, Base, R, T5 | 5 Cyl 2.3 L GAS, 5 Cyl 2.4 L GAS, 5 Cyl 2.5 L GAS
- XC70 | 2003-2007 | Base, Ocean Race, X/C | 5 Cyl 2.5 L GAS
- XC90 | 2003-2006 | 2.5T, Base | 5 Cyl 2.5 L GAS
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Volvo Vibration Damper Part Number: 1275801
$248.20 MSRP: $295.47
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Product Specifications
- Other Name: Harmonic Balancer; Engine Crankshaft Pulley; Vibration Damper
Fits the following Volvo Models:
- 850 | 1993-1997 | Base, GLT, R, T-5, T-5R, Turbo | 5 Cyl 2.3 L GAS, 5 Cyl 2.4 L GAS
- C70 | 1998 | Base | 5 Cyl 2.3 L GAS, 5 Cyl 2.4 L GAS
- S70 | 1998 | Base, GLT, T5 | 5 Cyl 2.3 L GAS, 5 Cyl 2.4 L GAS
- V70 | 1998 | AWD, Base, GLT, R, T5, X/C AWD | 5 Cyl 2.3 L GAS, 5 Cyl 2.4 L GAS
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Volvo Vibration Damper Part Number: 30720149
$237.12 MSRP: $282.29
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Product Specifications
- Other Name: Oscillation Damper; Harmonic Balancer; Vibration Damper
Fits the following Volvo Models:
- XC90 | 2005-2007 | 2.5T, 3.2, T6, V8, V8 Ocean Race, V8 Sport | 5 Cyl 2.5 L GAS, 6 Cyl 2.9 L GAS, 6 Cyl 3.2 L GAS, 8 Cyl 4.4 L GAS
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Volvo Vibration Damper Part Number: 31104839
$427.96 MSRP: $509.47
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Product Specifications
- Other Name: Oscillation Damper; Harmonic Balancer; Vibration Damper
Fits the following Volvo Models:
- C70 | 2002-2004 | Base | 5 Cyl 2.3 L GAS, 5 Cyl 2.4 L GAS
- S40 | 2000-2004 | Base, LSE | 4 Cyl 1.9 L GAS
- S60 | 2001-2002 | 2.4T, AWD, Base, T5 | 5 Cyl 2.3 L GAS, 5 Cyl 2.4 L GAS
- V40 | 2000-2004 | Base, LSE | 4 Cyl 1.9 L GAS
- V70 | 2001-2002 | 2.4T, AWD, Base, T5, X/C | 5 Cyl 2.3 L GAS, 5 Cyl 2.4 L GAS
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Volvo Crankshaft Pulley, Outer Part Number: 1219092
$51.08 MSRP: $59.82
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Product Specifications
- Other Name: Pulley, Outer; Harmonic Balancer; Crankshaft Pulley
Fits the following Volvo Models:
- 760 | 1984 | GLE | 4 Cyl 2.3 L GAS
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Volvo Crankshaft Pulley, Inner Part Number: 1219091
$53.95 MSRP: $63.17
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Product Specifications
- Other Name: Pulley, Inner; Harmonic Balancer; Crankshaft Pulley
Fits the following Volvo Models:
- 760 | 1984 | GLE | 4 Cyl 2.3 L GAS
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Volvo Crankshaft Pulley Part Number: 1336647
$83.10 MSRP: $98.12
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Product Specifications
- Other Name: Pulley; Harmonic Balancer; Crankshaft Pulley
Fits the following Volvo Models:
- 244 | 1985 | Turbo | 4 Cyl 2.1 L GAS
- 245 | 1985 | Base | 4 Cyl 2.1 L GAS
- 760 | 1984 | GLE | 4 Cyl 2.3 L GAS
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Volvo Crankshaft Pulley Part Number: 1271443
$221.32 MSRP: $263.47
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Product Specifications
- Other Name: Pulley; Harmonic Balancer; Crankshaft Pulley
Fits the following Volvo Models:
- 760 | 1988-1990 | GLE | 6 Cyl 2.8 L GAS
- 780 | 1987-1990 | Base | 6 Cyl 2.8 L GAS
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Volvo Crankshaft Pulley Part Number: 9135195
$240.50 MSRP: $286.32
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Product Specifications
- Other Name: Oscillation Damper;Crankshaft Pulley;Harmonic Balancer; Crankshaft Pulley, Vibration Damper
Fits the following Volvo Models:
- 240 | 1991 | Base, SE | 4 Cyl 2.3 L GAS
- 740 | 1989-1991 | Base, GLE | 4 Cyl 2.3 L GAS
- 940 | 1991-1993 | Base, GL, GLE, SE, T | 4 Cyl 2.3 L GAS
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Volvo Crankshaft Pulley Part Number: 1328329
$412.57 MSRP: $533.04
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Product Specifications
- Other Name: Oscillation Damper; Harmonic Balancer; Crankshaft Pulley, Pulley
Fits the following Volvo Models:
- 740 | 1985-1986 | GLE | 6 Cyl 2.4 L DIESEL
- 760 | 1984-1985 | GLE | 6 Cyl 2.4 L DIESEL

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Volvo Harmonic Balancer Parts and Q&A

Crankshaft Pulley
9135195
Q: How to remove and install a Harmonic Balancer on Volvo 740?
A:
To remove and install components for a variety of engine types, disconnect a negative battery cable first. For the 2.3L 4 cylinder engine, remove the drive belts, cooling fan, cooling fan shroud, center nut on the damper, and the damper from the crankshaft. To install, place the damper back on the crankshaft, tighten the center nut to 44 ft. lbs. and then 60 degrees more, before reinstalling the cooling fan shroud, drive belts and cooling fan before reconnecting the negative battery cable. For 2.8L 6-cylinder engine After disconnecting the battery Remove drive belt(s) Cooling fan Raise the vehicle Take off the splashguard Remove the starter and use a special tool to prohibit the turning of the crankshaft, then remove center nut and pulley on the crankshaft being careful of the aligning key. To install, align the pulley on the crankshaft, tighten the center nut to 177-207 ft. lbs., reinstall the starter and splashguard, lower the vehicle and reconnect the battery. For 2.9L 6-cylinder engine, go through similar first steps, then unbolt the 4 bolts of the vibration damper, use a tool to secure the damper, and take off the middle nut and damper. When installing, put the damper back, tighten the center nut to 221 ft. lbs., reinstall the damper bolts, cooling fan, and drive belts, than lower the vehicle and reconnect the battery. For these 2.3L and 2.4L 5-cylinder engines disconnect the battery, raise the vehicle, and get inside the engine by bending backward the fenderwell trim. Remove the drive belt and damper bolts, use a tool to hold the damper and remove the center nut and damper. To install, install the damper back, put the center nut back and tighten to 133 ft. lbs. and install the damper bolts, drive belt, fenderwell trim, lower vehicle, reconnect battery.
Vibration Damper
30731039
Q: How to remove and refit the harmonic balancer on the auxiliary drivebelt for 1.6 litre diesel engine on Volvo S40?
A:
To remove the auxiliary drivebelt, first, lock the harmonic balancer by putting Volvo tool No 999 7169 in the hole in the right hand face of the engine block over the lower section of the flywheel, turn the harmonic balancer till the tool is locked with the corresponding hole in the flywheel. If the Volvo tool is not available, a 12mm rod or drill can be put inside the hole to prevent it from rotating. Next, with the help of an appropriate socket and extension bar, unscrew the retaining bolt, remove the washer and slide the harmonic balancer off the crankshaft. If the harmonic balancer is a tight fit, a suitable puller can be used, and it has to be made sure that the retaining bolt is refitted without the washer, to prevent damaging the crankshaft. For refitting, put the harmonic balancer back in place on the crankshaft, clean the threads of the retaining bolt, and put a coat of locking compound on it. Refit the retaining bolt and washer, tightening it to the specified torque and angle and preventing the crankshaft from turning. Finally, refit and tension the auxiliary drivebelt.