If your timing belt hits its cover, it could be your tensioner. When a timing belt tensioner fails, it can result in a number of symptoms.
1: Squealing, rattling, or chirping. When the tensioner or tensioner pulley fails, the loss of tension can cause the belt and pulleys to make high-pitched rattling or chirping noises. If the pulley bearing fails, it can also cause a squealing or even a grinding noise.
2: Knocking or slapping. If the tensioner is not keeping the belt tight, the belt can come loose and hit parts inside of the timing cover, including the cover itself.
3: Check engine light is on. Though noise is the most common symptom, a loose timing belt can also cause a check engine light from a variety of codes.
If your Volvo’s timing belt hits its cover, my first impression is that it’s lost tension. You can check the tensioner by removing the front cover. I believe it’s only one bolt thru the middle of the plastic cover. But you need to remove the serpentine belt to get access.
Bonus! 10 Interesting Volvo Facts
- In Latin, the word Volvo means: I spin. Today however the nearest meaning is “I roll”.
- Volvo was founded in 1924. The two founders were Gustav Larsson and Assar Gabrielsson.
- The ÖV 4 is the first Volvo car. The first car was sell-ready in 1927. The 2-Liter, 4-cilinder car got the nickname: Jakob.
- Volvo’s very first commercial vehicle was the Type-1 truck. The release year was 1928. In the same year, Volvo released the second car, the Volvo PV 651. Volvo manufactured a total of 1383 of both vehicles in the first year; of which automaker exported 27.
- This trend saw a sharp rise in 1932 when Volvo released a good amount of 10,000 vehicles, both trucks and cars.
- The company, however, started making a large-scale profit from the year 1935. The first luxurious car by Volvo was the PV36, which could carry six passengers at a time. The design of this iconic car paved the path for future Volvo cars to come. I came in the market with a price tag of 8,500 Swedish kronor.
- Volvo touched a landmark in 1941, with the sale of its 50,000th vehicle; this is a unique achievement considering the time when WWII was in full swing.
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