TJ5208 1,824 #1 Posted August 25, 2022 Why do some Onans whistle and some dont. Share this post Link to post Share on other sites
Jeff-C175 7,202 #2 Posted August 25, 2022 They whistle if they know the tune. If they don't know the tune, they don't whistle. 4 Share this post Link to post Share on other sites
953 nut 55,290 #3 Posted August 25, 2022 If a head gasket wasn't properly torqued it will whistle for a while before it burns out. 1 Share this post Link to post Share on other sites
lynnmor 7,307 #4 Posted August 25, 2022 Where is the whistle noise coming from? Carburetor, intake, hoses, exhaust, cooling fan, engine interior, PTO, belt and idler pulley are some of the places to check. 1 Share this post Link to post Share on other sites
Snoopy11 5,714 #5 Posted August 26, 2022 Maybe... in the ones that whistle at you... the minions in it are screaming at you? Don Share this post Link to post Share on other sites
TJ5208 1,824 #6 Posted August 26, 2022 Check out my youtube channel mine whistles. A link to my channel below. Share this post Link to post Share on other sites
lynnmor 7,307 #7 Posted August 26, 2022 Get one of these: Share this post Link to post Share on other sites