Timing belt shredded..?! - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

drei · 12-06-2013, 04:10 PM

So I was driving yesterday to the dentist and all of a sudden started hearing a sound from the car, at first i thought it was clicking, but sounded more like a rubber slapping sound which increased with the revs and remained happening at idle.
Stopped the car, look int he engine, couldn't see anything odd.
Called dealership they told me to bring the car in. Halfway to the dealership the slapping stopped and battery light went on.

At the dealership they showed me the timing belt which was shredded. I asked why, they said probably because it skipped....
How does that happen on an engine that's under 26k?

At least warranty covers it

Dipstik-sportech · 12-06-2013, 04:19 PM

These cars use timing chains not belts. Either you misheard the dealer and he said accessory drive belt or he's an idiot. The accessory belt drives everything at the front of the engine including the alt, which would explain your batt light coming on

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wparsons · 12-06-2013, 04:30 PM

^^ This, it wouldn't be the timing belt even if it was a belt on these engines. If a timing belt snaps your engine wouldn't keep running for even a second.

drei · 12-06-2013, 04:34 PM

Quote:

Originally Posted by Dipstik-sportech

These cars use timing chains not belts. Either you misheard the dealer and he said accessory drive belt or he's an idiot. The accessory belt drives everything at the front of the engine including the alt, which would explain your batt light coming on

Sent from my Nexus 5 using Tapatalk

Now this explains half of my confusions..

You must be right. I swear he said timing belt which led me to be very confused, but I must have misheard. It must have been the accessory belt.

Thanks.
What could be the reason for the shredding?

abitolder · 12-06-2013, 05:10 PM

seizing pulley on tensioner? Belt too loose?

Dipstik-sportech · 12-06-2013, 06:54 PM

Foreign body falling between the belt and pulley, normal wear although at the mileage u stated the belt should be fine still. Odd

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12-06-2013, 04:10 PM	#1
drei Senior Member Join Date: Jun 2012 Drives: 2013 Scion FR-S Asphalt Location: Toronto Posts: 241 Thanks: 47 Thanked 44 Times in 25 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Timing belt shredded..?! So I was driving yesterday to the dentist and all of a sudden started hearing a sound from the car, at first i thought it was clicking, but sounded more like a rubber slapping sound which increased with the revs and remained happening at idle. Stopped the car, look int he engine, couldn't see anything odd. Called dealership they told me to bring the car in. Halfway to the dealership the slapping stopped and battery light went on. At the dealership they showed me the timing belt which was shredded. I asked why, they said probably because it skipped.... How does that happen on an engine that's under 26k? At least warranty covers it

12-06-2013, 04:19 PM	#2
Dipstik-sportech Senior Member Join Date: Oct 2012 Drives: 2013 BRZ satin white pearl sportech Location: Thunder Bay Ontario Canada Posts: 1,813 Thanks: 842 Thanked 911 Times in 576 Posts Mentioned: 43 Post(s) Tagged: 0 Thread(s)	These cars use timing chains not belts. Either you misheard the dealer and he said accessory drive belt or he's an idiot. The accessory belt drives everything at the front of the engine including the alt, which would explain your batt light coming on Sent from my Nexus 5 using Tapatalk __________________ 2013 SWP BRZ sportech. 11.11sec@129.01mph, 511whp on e70. FullBlown base kit, FullBlown built 9.5:1 engine, GTX3076R GEN2 turbo, 1700cc Bosch injectors, FullBlown flex fuel kit, FullBlown radiator and oil cooler, FullBlown custom 3" dual exit exhaust, act xtreme clutch, whiteline diff and subframe inserts, BC Racing coilovers, hotchkiss 18mm rear sway, is300 3.73 differential ... Never finished

12-06-2013, 06:54 PM	#6
Dipstik-sportech Senior Member Join Date: Oct 2012 Drives: 2013 BRZ satin white pearl sportech Location: Thunder Bay Ontario Canada Posts: 1,813 Thanks: 842 Thanked 911 Times in 576 Posts Mentioned: 43 Post(s) Tagged: 0 Thread(s)	Foreign body falling between the belt and pulley, normal wear although at the mileage u stated the belt should be fine still. Odd Sent from my Nexus 5 using Tapatalk __________________ 2013 SWP BRZ sportech. 11.11sec@129.01mph, 511whp on e70. FullBlown base kit, FullBlown built 9.5:1 engine, GTX3076R GEN2 turbo, 1700cc Bosch injectors, FullBlown flex fuel kit, FullBlown radiator and oil cooler, FullBlown custom 3" dual exit exhaust, act xtreme clutch, whiteline diff and subframe inserts, BC Racing coilovers, hotchkiss 18mm rear sway, is300 3.73 differential ... Never finished

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12-06-2013, 05:10 PM	#5
abitolder Member Join Date: Jun 2012 Drives: 2013 FRS Argento MT Location: Ontario Posts: 38 Thanks: 0 Thanked 8 Times in 7 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	seizing pulley on tensioner? Belt too loose?

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