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mia_herrmann12

Seat Cordoba belt tensioner issue

My 2001 Seat Cordoba with a gasoline engine (155878 km) seems to have a bad belt tensioner. The belt-handover no longer works. I suspect the belt bringer itself is defective. Any thoughts?

Summary of the thread

The 2001 Seat Cordoba experienced a belt tensioner issue, leading to a malfunction in the belt-handover. The problem was suspected to be a defective belt bringer, similar to a past issue with an Opel Vectra where a failed tensioner pulley caused timing belt slippage and engine performance issues. The recommended solution was to have a mechanic inspect the belt drive and tensioner pulley to prevent potential engine damage. The tensioner pulley was replaced, resolving the issue and restoring normal engine performance.

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4 comment(s)

lilianbaumann1

The belt-handover failure suggests a more serious problem than just belt squeal. I once faced a similar issue with my Opel Vectra; a defective tensioner pulley caused timing belt slippage. I would check the timing belt. Are you experiencing any loss in engine performance?

mia_herrmann12 (community.author)

Timing belt slippage? I am not sure about that. How did you diagnose it initially?

lilianbaumann1

Indeed. The initial symptom was belt squeal, which quickly degraded into erratic engine performance. A thorough inspection revealed that the tensioner pulley had failed, causing the timing belt to lose tension and slip. Consequently, the engine timing was off. Considering the symptoms you have described, I recommend having a qualified mechanic inspect the belt drive and tensioner pulley. Do not delay the inspection; a broken timing belt can cause catastrophic engine damage.

mia_herrmann12 (community.author)

Thanks for the input. Turns out the tensioner pulley was indeed completely shot. Got it replaced for 455€. Engine performance is back to normal, and no more belt squeal.

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SEAT

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CORDOBA