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Features & Benefits:
- Ideal replacement - this harmonic balancer assembly exactly matches the fit and function of the original harmonic balancer for a direct replacement
- Durable construction - this harmonic balancer features a rubber vibration damper bonded between ductile steel components
- Cost-effective solution - this balancer assembly offers original equipment quality at a competitive price
- Quality tested - this harmonic balancer has undergone dimensional verification, material validation and functional testing to ensure performance
OE Number: 594-413, 1340721031, 1340721032, 13470WB001
Vehicle Information:
Scion iA 2016 L4 1.5L
Toyota Yaris 2007-2017 L4 1.5L
Toyota Yaris 2019 L4 1.5L
Toyota Yaris iA 2017 L4 1.5L
Symptoms of a Bad Harmonic Balancer
Engine Vibrations
The harmonic balancer’s job is to dampen vibrations applied to the crankshaft. As a result, when the balancer fails, you may feel a significant vibration from the engine compartment.
Noticeable Harmonic Balancer Wobble
When the rubber isolator begins to deteriorate, the balancer usually begins to separate, creating a noticeable wobble when the engine is running.
Unusual Noises
A faulty balancer can result in a knocking, rattling, or squeaking sound that corresponds with engine speed. In some cases, the noise is bad enough to be mistaken for an internal engine problem.
Also, a balancer that’s beginning to fail can cause abnormal movement from the drive belt or automatic drive belt tensioner, resulting in clicking or squealing noises when the engine is running.
Illuminated Check Engine Light
Your car’s primary computer, which is often referred to as the powertrain control module (PCM), relies on a crankshaft position (CKP) sensor signal to determine crankshaft position and speed.
The CKP sensor reads a toothed or notched wheel that’s usually located on the crankshaft or harmonic balancer. If the harmonic balancer fails, it can cause the sensor to create an abnormal signal, prompting the PCM to turn on the check engine light.
Visible Wear or Damage
If you take a look at the harmonic balancer, you might be able to see visible wear or damage. For example, the rubber insulator may have deteriorated, resulting in a separation between the hub and outer portion of the balancer.
| Item Specifics | |
|---|---|
| Brand | afpaparts20 |
| Items Included | 1 Harmonic Balancer |
| Manufacturer Part Number | AFP133899A20 |
| OE/OEM Part Number | 594-413 |
| Material | Steel |
| Center Bolt Included | No |
| Degree Markings | Yes |
| Drive Belt Type | Serpentine |
| Universal Fitment | No |
| Manufacturer Warranty | 1 Year |
| Finish | Black |
| Keyway Type | No |
| Interchange Part Number | 1340721031 |
| Mounting Hardware Included | No |
| Superseded Part Number | 1340721032, 13470WB001 |
| Mounting Hole Quantity | 1 |
| Pulley Groove Quantity | 4 |
| Depth (MM) | 9 |
| Inside Diameter (MM) | 13 |
| Mounting Hole Diameter (MM) | 13 |
| Outside Diameter (MM) | 160 |
| Compatible Makes | Scion, Toyota |
| Model | iA, Yaris, Yaris iA |
| Year | 2007-2019 |
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For Toyota Yaris 2007-2017 Scion iA 2016 L4 1.5L Engine Harmonic Balancer
Features & Benefits:
OE Number: 594-413, 1340721031, 1340721032, 13470WB001
Vehicle Information: Scion iA 2016 L4 1.5L
Symptoms of a Bad Harmonic Balancer
Engine Vibrations
The harmonic balancer’s job is to dampen vibrations applied to the crankshaft. As a result, when the balancer fails, you may feel a significant vibration from the engine compartment.
Noticeable Harmonic Balancer Wobble
When the rubber isolator begins to deteriorate, the balancer usually begins to separate, creating a noticeable wobble when the engine is running.
Unusual Noises
A faulty balancer can result in a knocking, rattling, or squeaking sound that corresponds with engine speed. In some cases, the noise is bad enough to be mistaken for an internal engine problem.
Also, a balancer that’s beginning to fail can cause abnormal movement from the drive belt or automatic drive belt tensioner, resulting in clicking or squealing noises when the engine is running.
Illuminated Check Engine Light
Your car’s primary computer, which is often referred to as the powertrain control module (PCM), relies on a crankshaft position (CKP) sensor signal to determine crankshaft position and speed.
The CKP sensor reads a toothed or notched wheel that’s usually located on the crankshaft or harmonic balancer. If the harmonic balancer fails, it can cause the sensor to create an abnormal signal, prompting the PCM to turn on the check engine light.
Visible Wear or Damage
If you take a look at the harmonic balancer, you might be able to see visible wear or damage. For example, the rubber insulator may have deteriorated, resulting in a separation between the hub and outer portion of the balancer.
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