The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - something rattling under hood or dash under load

**Jason Banks** · 10-24-2023, 06:20 PM

Quote:

Originally Posted by 1970 CST Short Wide

If it’s an automatic you could have a cracked Flex Plate. Almost sounds like a Rod knock

I'd put my money on this being the problem...based on the info we have so far...