View Single Post
Old 04-26-2018, 02:38 PM   #15
Denny and Angie Miller
Montana Fan
 
Denny and Angie Miller's Avatar
 
Join Date: May 2017
Location: Mid Missouri
Posts: 156
M.O.C. #19889
Quote:
Originally Posted by happy camper x2 View Post
Same problem with our 2018 353 RL. Dealer installed 2 more returns added two new discharge ports. They matched the factory ones. Also used 1 1/2 pvc pipe to open up return and discharge plenums. We measured the distance of pvc needed cut to length and used a cap when pushing into place then removed the cap so no flow blockage. Wood might snag the insulation.

Actually works like it should.
Good Luck
Do you have any pics you can share? Especially of the cap you used while installing the pvc?
__________________
2017 Montana High Country 353RL
2017 Silverado 3500HD DRW CC LB 6.6L Duramax
B&W Companion
Denny and Angie Miller is offline   Reply With Quote