HCS Snowmobile Forums - View Single Post - 2016 and 2017 pro s 800ís with coolant leak
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Old 03-09-2019, 10:00 AM   #12 (permalink)
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patrioticinnovations's Avatar
Join Date: Sep 2005
Posts: 14,501
Current Sled(s): 2015 AXYS Pr-S SB Ann 800, 2019 Indy 850.
Previous Sled(s): 2003 XCR 1100, 2000 XCR 800, 2005 Redline Revolt 800.
Location: SE Lower Michigan
Favorite Riding Area: Cadillac, Gaylord
19-20 Mileage:
18-19 Mileage: 849 so far
17-18 Mileage: 1280
16-17 Mileage: 1115
Riding Since: 1982

Originally Posted by edgexer View Post
Bumping this prior thread. I pulled my 16 Pro S 800 out of the trailer and like the original post, I noticed a few drops of coolant on the trailer floor. Cannot find any evidence of coolant inside the engine compartment. Bottle was low (empty); filled it ran sled 160 miles. Ran fine and bottle was a little low (not empty). Will run her today to see if maybe it was just an air pocket.

Anyone find any actual cause in their sled ?
If bottle was found empty you have a leak, and if you refilled it, you MUST bleed the cooling system by tilting the sled to it's left side at 45 deg angle. Read the procedure from the shop manual. An air pocket can cause a burndown. It will not bleed itself. Have the system pressure tested before you get stranded.
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