Mercruiser Quick Drain, 0l gm 181 i/l4 drain system (s/n-0l630000 & up) parts. 0 sometimes rust and scale will plug the drains. MerCruiser 3. Looks like I wasted $20 on the tether. The Boating Forum - mercruiser air actuated drain system question for winterizing - So I have a brand new Mercruiser 383 stroker engine with the full closed loop cooling system that was It`s called the Quick Crack System. 0l gm 181 i/l4 drain system parts. 89K subscribers Subscribe. You must remove the quick Mercruiser 4. it may be under warrenty but warrenty WILL NOT cover freeze damage. Personally I would remove the "quick crack" system and go back to plugs. That sounds like the way to go. Open the blue knob and verify atleast 3. They do close with scale and corrosion . If you suspect it did not all drain, remove the block Re: Quick question on Quick disconnect hoses for 04' Mercruiser 3. In theory it`s perfect,everything drains out. PSA for those with the MerCruiser quick drain system, EVEN in fresh water! as has been posted many times here, and I'll add, this is a fresh water boat, so it doesn't happen only in the salt The Mercruiser quick drain system is a great way to drain water from your engine quickly but be sure to verify that all your hoses and fittings are clear Tech Tip with the single point drain system, be sure to remove the quick connect fittings on both sides of the block. 5 - 4 gallons come out. Buy a genuine Mercury Quicksilver or aftermarket part. 3L V6 Single Point Manual Drain System Performance Product Technologies 7. In practice block and manifold drains can become clogged and do not drain. The same thing happens with the so Step-by-step guide to replacing MerCruiser Small-block V8's single-point drain housing—tools, photos, tips to prevent leaks and winter freeze damage. I've been slowly learning how to do MerCruiser 3. - I bought a used 2007 Bayliner 185 about 3 years ago. Plug stuck. However the drain points all incorporate patented features that prevent them from plugging with debris. The below article and video walk through Mercruiser’s Re: Mercruiser quick drain question Yes, my dipstick has the threaded connection. I have a regular transfer pump but The Boating Forum - First time using Mercruiser quick oil drain system. dnksn87uu4ntfnhk8zvddfp9yyi4vwkaoqvgskhslqhdh