cxn613 Posted December 12, 2018 Share Posted December 12, 2018 Need to replace the coolant shut off valve above the coolant filter. Is there a locking ring that holds it in, or is it held in by the o-ring. Haven't investigated it much and planning to replace it tomorrow. Just asking in advance. Thanks Quote Link to comment https://www.bigmacktrucks.com/topic/55024-mp8-coolant/ Share on other sites More sharing options...
Rockwell Posted December 13, 2018 Share Posted December 13, 2018 (edited) I need to do this same exact thing but waiting till warmer weather. I have the replacement kit. When I bought it, I had found a great YouTube video on how to replace, give it a search. As I recall, you remove the filter and push the valve out thru the top. Let me know how it goes for you! Good luck!! Edited December 13, 2018 by Rockwell Quote Link to comment https://www.bigmacktrucks.com/topic/55024-mp8-coolant/#findComment-411213 Share on other sites More sharing options...
cxn613 Posted December 13, 2018 Author Share Posted December 13, 2018 I removed the filter, not sure if you really need to but the kit comes with a replacement threaded nipple for the filter to screw onto so i went ahead and removed filter and installed the new nipple. As far as the shutoff valve, i used a adjustable ladys foot and got it under the roll pin sticking out from the valve and just pryed it up out. Theres a split locking collar that keeps it held in. On the new one install the oring, then slid the new locking collar over the skinny part of the valve, then install the new roll pin. I lubed the oring up and the new valve and pushed it into the bore. I then used a skinny punch and hammer to drive the locking collar into the bore. Thats pretty much the extent of it. Quote Link to comment https://www.bigmacktrucks.com/topic/55024-mp8-coolant/#findComment-411237 Share on other sites More sharing options...
Ty Horn Posted February 10, 2022 Share Posted February 10, 2022 Where did you find the video on YOUTUBE?? I cant seem to find it anywhere. TIA Quote Link to comment https://www.bigmacktrucks.com/topic/55024-mp8-coolant/#findComment-489009 Share on other sites More sharing options...
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