After replacing the coolant transfer pipe there is a loud ticking/slapping sound under valve cover?

JOSLYNSHUM

MEMBER
2005 BMW 645
4.4L
V8
TURBO
2WD
AUTOMATIC
120,000 MILES

I replaced the coolant transfer pipe, now there is a loud ticking/slapping sound coming from driver side valve cover when I start it. Also when I start it the noise will start the car will shake sputter and shut off after 5-10 seconds.

Thursday, August 22nd, 2024 AT 7:40 PM

1 Reply

KEN L

MASTER CERTIFIED MECHANIC
47,643 POSTS

It sounds like the engine was overheated? If so, this can cause the piston to have scored the cylinder walls, please go over this guide to see if it can help:

https://www.2carpros.com/articles/symptoms-of-an-overheating-engine

Can you please shoot a quick video with your phone so I can hear the noise? That way I can tell for sure what's going on. You can upload it here with your response.

After replacing the coolant transfer pipe there is a loud ticking/slapping sound under valve cover?

1 Reply

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