I think it's not that you didn't bleed it correctly as much as she's not full all the way. Here's something I've posted a few times: Filling: To properly check the fill, the trim/tilt rams must be extended. Raise OB all the way up (if you can't via the trim motor, then back off the manual release valve and with extra help, tilt/raise the OB all the way up and set it on its mooring/full raise lock, then re-tighten the release valve).
Tilt reservoirs are easier and best to fill IMHO when the boat is on a trailer, as you can lower the tongue all the way to the ground, as you want the tilt/trim reservoir as straight up & down as you can get it. This procedure is also best done with a helper to assist you, as they will keep their finger on the t/t UP button on the OB cowl, when needed. Trim the OB all the way up and engage the full-up tilt support (or use a block. You do NOT want an OB to fall on any bodypart!). Slowly open the t/t reservoir cap (allowing air to escape) and insert the trim fluid tube/nozzle. I use a small long/slender nozzle on the end of the recommended trim fluid container to help keep it in there. Now this is where your assistant comes in.
Have them press the t/t UP button as you put in ALL the fluid it will take. Keep pressing UP while the OB goes all the way up (off its supports), you will hear the t/t motor hit the bypass valve (the motor sound will change) and until the t/t reservoir won't take any more fluid and it starts to drip/gush out. Mind you, your helper's finger is still ON the UP button. And while their finger is still pressing the UP button, quickly put the trim reservoir cap back on. FYI: the concept behind red'holding the UP button pressed while filling'/red allows the trim motor to suck in all of the fluid it can via the hydraulic system.
Doing in this manner, you should not have to top off the reservoir again, hopefully for a loooooong time. Bleeding: OB tilt/trim units are 'self-bleeding' and you should always perform these 'purge cycles' to follow even if you don't need to add any more fluid. To purge/check, remove the tilt lock (if engaged) and cycle the OB down by 'jogging' it down, in 2-3 seconds runs.
Mercury Tilt And Trim Diagram
Then rest the motor a few seconds (akin to NOT cranking on a starter motor continuously), then cycle it UP all the way in one long blast. Rest/pause again. 10 seconds or more. Then repeat that complete cycle a few more times to ensure that it has bled all the air out of the t/t system. When bled of all air, you won't hear bubbling or gurgling as the OB starts its up or down cycle. You should just hear a smooth start of the rams in motion.
Thanks for the detailed info! I'll give that a try. Here is where I have trouble: The transom angle is pretty steep even with the trailer tounge down as far as it will go. The filler cap is on the front of the resevior about half way down, so naturally it wants to drain. When filling, the air that needs to escape competes with the fluid going in, and.well, it's a mess - especially if I raise the level beyond the fill hole (half). So, what I am gathering here is that even though I thought it was full when up on tilt (fluid runs out of the filler), it might not be full now because there could have been air trapped in the cyl when I was filling. I'll take your advice next time I get it out of the water.
Again, thanks!
Mercury Marine Outboard Parts & Repair Videos Numerous Mercury Marine Outboard How-To Technical Repair Videos. 'It must be awfully nice to be a writer and be privileged to point to anyone from on high and never be pointed back at.
How would you like to compare notes, if it were possible, on respective accomplishments on our day of reckoning-as well as our wrongs?' Carl Kiekhaefer, December 1964 PPT has an A+ BBB Rating for a reason.we take care of our Mercury Marine Outboard customers. Mercury Outboard Parts and Mercury Marine Motors are among the most popular outboard motors for sale today. When you are looking for specific Mercury Marine Part Numbers, why pay the normal high prices for OEM Mercury Marine Parts & Accessories when you can shop PPT online for huge discounts and free shipping.
Using our simple outboard catalog parts lookup you can quickly locate the correct OEM Parts from Mercury Marine near you. What's more convenient than using our simple Mercury Direct Online Diagrams to shop from the convenience of your home. Simply enter the original model or serial number assigned to your outboard motor by Mercury Marine. Mercury uses a specific system when assigning either serial or model numbers to their Mercury Outboard Motors, however either of these can be used to lookup OEM parts for your motor. Mercury Marine History of the Company Mercury Marine turned 75 years old in 2014. Looking back at this exciting history, as with many outboard companies it's roots can be traced back to its very unique founder; Carl Kiekhaefer.
Although being labeled the father of Mercury Outboards, its interesting that Kiekhaefer actually worked as a draftsman for Evinrude outboard motors in 1927 however was fired after just 3 months employment with Evinrude. Kiekhaefer had 3 unique qualities that made him less than the ideal employee 1) He had a keen eye to see inherent flaws in mechanical designs, 2) He often fixated and worked tirelessly trying to fix those flaws, 3) He couldn't stand to work alongside anyone that didn't possess those first two qualities. Some 12 years later in 1939, and after working for Stearns Magnetic, Carl and his father took the risk of entrepreneurship by purchasing the largest employer in Cedarburg Wisconsin; Cedarburg Manufacturing Company $25,000. The company was the failing manufacturer of the Thor Outboard Motor. As part of the purchase Kiekhaefer inherited 384 Thor Outboard Motors after they were rejected from a 500 unit order by Montgomery Ward because they simply didn't work. Little to Carl's knowledge and his true desire to get into the Magnetic Separator business, these outboard motors would be the predecessor to the now world famous Mercury Outboard Motors. By 1940 his redesigned & renamed Mercury Outboard Motors (named after the Roman god of speed) were succeeding and therefore yielded Kiekhaefer orders upwards of 32,000 units annually.
This was no small feat realizing Evinrude was only producing slightly more than this volume at the time. In January 1940, 5 new Mercury Outboard Models were introduced; the K1, K2, K3, K4 and K5 Outboard Motors with prices ranging from $42.95 - $98.50. And thus Mercury Outboards were born by Kiekhaefer and his 25 employees working 18 hours per day, 7 days a week. Mercury Marine Technical Library Our Mercury Marine Parts technical expertise also allows PPT to provide our boating customers with direction regarding Direct Replacement Mercury Outboard Parts options. In certain cases OEM Mercury Marine Parts are the better option but in many cases there are good, economical alternative part options such as with Check out the Sierra Marine Parts Catalog for a complete listing of Direct Replacement Mercury Marine Parts for almost every Outboard and Inboard Motor manufacturer in the Marine Industry.
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Tilt and Trim Motor Replacing Power Trim and Tilt Systems When replacing your Power Tilt and Trim Motor, first identify what type of Power Tilt and Trim Motor and Pump you have in your boat. There are two basic types of power Trim and Tilt Systems being used in the recreational Boating industry regardless of weather you have an Outboard or an I/O Sterndrive. Some of the older Power Tilt and Trim Systems used an Electric Tilt Motor in combination with a mechanical lifting device. For example, Volvo Penta used a 12-Volt Power Tilt Motor turning a lifting screw on their older Stern Drives. On older OMC Stern Drives, an electric Motor turned a Worm Gear and incorporated a wet clutch pack to Tilt the drive unit as well as lock it into place.
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The Electric Hydraulic power Trim and Tilt System is more common. This type of system is used on Johnson and Evinrude Outboards, Mercruiser Stern Drives, Mercury Outboards and Volvo Penta Stern Drives.
This system consists of two major components; the 12 volt electric Motor with a reservoir, and the Hydraulic Pump or Valve Body. Trouble Shooting Your Power Trim and Tilt System When experiencing problems with your power Trim and Tilt System, there are a few easy ways to diagnose just what the problem is. Generally come in two styles. All use a 12 volt D/C reversing Motor.
2016 dodge ram van 3500 5 2l 8cyl service owners manual. Some Motors have a two wire connection and some Motors have a three wire connection. All power Trim and Tilt Motors come with one blue wire and one green wire. The three wire power Trim and Tilt Motors have an additional Black wire as well. The Black wire works as a Ground on power Trim and Tilt Motors that don’t ground thru the case. When the blue wire is energized it raises the Motor or drive unit up. When the green wire is energized it lowers the drive unit down.
When having a problem first you need to determine whether your problem is with the power Trim and Tilt Motor or the Hydraulic Pump Valve Body assembly. If you attempt to raise the Motor or sterndrive to the up or down position and nothing happens, first check to make sure your Battery is charged and switched on if your boat is equipped with a Battery switch. If you hear a slight clicking noise you have power coming from the switch to the solenoid. The next step is to go directly to the Motor and test it there. First, disconnect the power Trim and Tilt Motor.
Using a jumper wire, apply 12 volts directly to the blue wire if your engine or drive unit is in the down position. It should raise up at this time. If it is in the up position, apply power to the green wire reversing the Motor and lowering the unit. If the Motor runs, you may have a problem with a solenoid or lack of voltage coming from the power Trim and Tilt switch to the solenoid. If your power Trim Tilt Motor won’t run after this procedure it is time to replace it.
Some replacement will come with a new wiring harness and relay kit to convert your old three wire power Trim and Tilt Motor to a new more powerful two wire Motor. Power Trim and Tilt Pump Problems Tilt and Trim Pump If your power Trim and Trim Motor is working fine but the engine or drive unit won’t stay Trimmed or bleeds down when in the up position, you most likely have a problem with the Hydraulic pump or Valve Body assembly. In that case it can be removed and rebuilt by a qualified repair facility. Replace the power unit and fill the reservoir with the correct Power Tilt and Trim Fluid per your owner’s manual. Generally, Transmission fluid is not recommended. It can be hard on some seals due to the high amount of detergents. Most power Trim and Tilt units will purge the air from the system just by running the engine or sterndrive up and down two or three times with the vent plug loose.
Bottom line If the motor works in one direction there is nothing wrong with the motor. The most common issue is a bad solenoid on a 3-wire motor or a bad relay on 2- wire motor. If the motor runs but won’t raise or lower the drive or outboard engine, check the fluid level first.
If the level is full there is a problem with the pump. Makes a direct replacement for many models (in some cases your only option is to have the old pump rebuilt). Hope this helps you repair your tilt/trim system so you can get out and enjoy your boat.
If you need any parts, visit us at, or call toll free 1-800-998-9508. Article by: Michael Weller Go2marine.com Sales Manager Engine, Propulsion and Steering Systems Specialist. Elbert Hodges May 12th, 2013 I have a 2001 Yamaha F80 TLRZ After having sat unused for about four months, I am unable to trim/tilt the engine. I hear a clicking noise when I attempt to raise the engine, but it does not move.
In order to troubleshoot the problem, the manual instructs to loosen the manual valve screw all the way until it stops, then put the engine in the desired position and tighten the screw. After loosening the valve screw, I am unable to raise the engine. So far, even with the help of a second person, I have been unable to raise the engine. If I can raise the engine, I will be able to troubleshoot the trim/tilt system. Any suggestions how to raise the engine???
Chuck mahoney May 12th, 2013 I have a 90 TLRV Yamaha with a 6H1 power tilt trim system I am experiencing no down pressure. Ski doo manuals free. It started leaking fluid one day so I ordered seals and o rings for it took it out worked a couple of days and stopped going down.then I replaced hydraulic pump, sub valves, and all relief valve seats and springs since and every o ring and seal again.
Still have the same problem could it be a worn or sticking shuttle valve? I have hydraulic experience I work on tractor hydraulics and this seemed to be a simple system. I have excellent up pressure and no down pressure.tilt will start down and stop half way down then pull trim cylinders in and then tilt extends back up please help. Travis May 7th, 2013 I have a ’99 Stratos 21SS Extreme with a Johnson 225 H.O.
The trim will start going down while I’m running down the lake and won’t stop unless I hold down the trim up button. As soon as I let off the trim up button it continues to trim down. The motor does not go up while I’m holding the trim up button. The only way to get it to stop is to unhook the battery cable. It will be fine for about 1-2 mins and then it’ll start trimming down again.
It did it again once I got the boat out of the water too. It was raining all day while I was fishing and didn’t start doing it until about 4 hrs on the water. Thought maybe the rain had something to do with it but not sure. Any help would be greatly appreciated. Sandy March 22nd, 2013 I have a ’98 50 hp 4 stroke Yamaha. The tilt motor had hyd oil in it around the armature and brushes which caused the brushes to seize, etc. My question is, it normal for there to be oil in the sump where the gear pump is (directly below the motor)?
Was the leak into the motor just from worn out seals on the motor output shaft or is there another problem? There was not much oil in the motor, just enough to cover the armature, not up to the windings. I’ve never had one apart before.
Thanks for your help. ERIC March 12th, 2013 i have a 73 mercury motor w/hydraulic tilt and trim. It has been siiting for a bit and last time i had it out on the water. Coming in to trailer itthe tilt wouldnt raise the motor.after insepecting it i found one of the fluid lines loose.after i tightened it up i was able to traise the motor.now after sitting when testing the motor i took off the motor support and the motor lowered on its own.so i then tried raising it with the tilt and trim.however the motor didnt move either way.im thinking its probably full of air and low on fluid since when i tried to raise the motor manually it wouldnt budge.can you offer any tips and maybe tell me how to check the fluid and its capacity?
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