After replacing the power steering pump and pully, there is clunking sound and burning rubber smell?

WILL HUNTER

MEMBER
1995 CHEVROLET VAN
5.7L
V8
2WD
AUTOMATIC
130,000 MILES

So, I just replaced the power steering pump and the pulley on my 1995' G30. After replacing the belt also, there is a clunking noise from the belt tensioner and a smell of burning rubber. I've heard you have to brake in new belts, but I wanted to be sure before I let it run and potentially damage anything. Thanks for the help!

-Will

Video (Click to make bigger)

5 Replies

JACOBANDNICKOLAS

MECHANIC
109,747 POSTS

Hi,

No, that isn't normal. It appears as if the belt tensioner pulley isn't turning. Can you check that for me? And no, you shouldn't smell rubber burning. I have a feeling the pulley is stuck on the tensioner and burning the belt.

Check that and let me know what you find.

Joe

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Monday, February 20th, 2023 AT 5:40 PM

KEN L

MASTER CERTIFIED MECHANIC
47,643 POSTS

Thanks for the video, it helps. I would remove the serpentine belt and spin each accessory such as the alternator and power steering pump. Also, it like looks like the engine may have a running issue so please start the engine once the belt is off for about 5 seconds to see if the engine is okay or not. Please let me know what you find.

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Monday, February 20th, 2023 AT 5:40 PM

WILL HUNTER

MEMBER
13 POSTS

Hey Ken, turns out I just needed to replace the belt tensioner pulley as it had seized up. Also the belt might have been on wrong. Now she runs great. Hope this can help someone! And thank you for the response!

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Tuesday, February 21st, 2023 AT 8:02 AM

WILL HUNTER