2000 kia sportage low gear noise 2000 kia makes noise as if engine is pushing too hard first time i heard it i thought it was a truck next to me.More noise in summer time comes from front.?

2000 kia sportage low gear noise 2000 kia makes noise as if engine is pushing too hard first time i heard it i thought it was a truck next to me.More noise in summer time comes from front.?
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