Strange noise from engine..."Whirling" sound
This is for a 2015 Thor Majestic 28a Class C RV with a Ford e450 V10 engine. It is a previous rental. I've owned it for about 30,000 miles and it now has 140,000 miles on it. Back in Feb 2021 I had...
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Update....
Regarding the pin looking item...My mechanic tells me that's just part of the tension assembly and it should not be pulled.
Regarding the noise, it was diagnosed as a leaking exhaust manifold (one bolt had broken off). It makes sense that once things warm up and expand the noise goes away. I've heard exhaust manifold leaks before (when more bolts have broken off) and it was a much louder rumbling sound compared to this. Always learning...
The "good news" is that this RV had the manifold replaced 10k miles ago (~$8k repair bill) and it is still under warranty, so the shop is going to fix it.
Thanks for all the suggestions/etc.
Happy Camping!
Chris
Regarding the pin looking item...My mechanic tells me that's just part of the tension assembly and it should not be pulled.
Regarding the noise, it was diagnosed as a leaking exhaust manifold (one bolt had broken off). It makes sense that once things warm up and expand the noise goes away. I've heard exhaust manifold leaks before (when more bolts have broken off) and it was a much louder rumbling sound compared to this. Always learning...
The "good news" is that this RV had the manifold replaced 10k miles ago (~$8k repair bill) and it is still under warranty, so the shop is going to fix it.
Thanks for all the suggestions/etc.
Happy Camping!
Chris
