1662031060 TENSIONER ASSY, V-RIBBED BELT
Images
4 Images
Compatibility
Toyota 1662031060
| Description | Model | Options | Prod Period | Diagram |
|---|---|---|---|---|
| GRS20#,GWS204 | GWS204-AEXZH | Building Condition: COMPLETELY BUILT UNIT; Grade: HYBRID; Engine: (2GRFSE) 3500CC 24-VALVE DOHC EFI | 05.2008 - 12.2012 | View |
| Description | Model | Options | Prod Period | Diagram |
|---|---|---|---|---|
| ASU40,GSU4#,GVU48,MHU48 | GVU48L-BRXNKA | Grade: STANDARD TYPE; Gear Shift Type: CONTINUOUSLY VARIABLE TRANSMISSION; Engine: (2GRFXE) 3500CC 24-VALVE DOHC EFI | 08.2010 - 02.2014 | View |
Information
V-Ribbed Belt Tensioner Assembly ?
This component keeps the serpentine (V-ribbed) belt at the correct tension so your engine accessories work smoothly. It is needed because the belt stretches with age and heat cycles, and without steady tension it will slip, squeal, or jump ribs.
How it works ⚙️
Inside the unit, a spring-loaded arm applies constant pressure to the belt. A precision pulley guides the belt path and absorbs vibration. This automatic action maintains proper grip on the alternator, water pump, and other driven pulleys during acceleration, idle, and load changes.
Signs of failure & what happens if it breaks ?
A worn pulley bearing or weak spring can cause chirping noises, belt flutter, uneven charging, or overheating. If it seizes or loses tension completely, the belt may shred or come off—leading to loss of alternator output, poor steering assist (if belt-driven),and rapid engine temperature rise. Replacing it early helps protect the belt and accessory bearings.
Compatibility ✅
- L300