If the tilt and trim motor works fine but the engine won’t raise or lower, slips down when in the raised position or won’t stay trimmed, chances are that the problem is with the hydraulic pump or valve body assembly. Mercury Outboard Service Manual Free Download PDF MERCRUISER 3.0 MPI OWNER'S MANUAL Pdf Download. i had it replaced but the motor still won’t go up or down. the fluid will circulate and if you lift it by hand after you loosen the emergency screw it will hold it self in whatever postion you put it in after tightening the screw back,so it holds the pressure but won’t build it up to lift the motor. The following video shows the steps to add hydraulic fluid or trim and tilt fluid to your trim and tilt. For the trim/tilt problem you are experiencing, if the wires from the limit switch (port side) and trim position sender (starboard side) are in good condition, they (Switch or sender) can be disassembled to clean out the old hardened grease. Pulsed the trim down switch and it would move about 1/16" inch. IMPORTANT: The engine outdrive trim tilt pump motor will work only if BOTH relays are connected. Won't go up but will go down. General Q & A - Bravo III won't go down - The power trim on my 1997 bravo 3 drive goes down very slowly- 3-5 minutes from trailer position to down. Tan. does this just need to be bled again or could it be the filter valve assembly or the down relief valve. Master Tech, Marine … 97 OMC tilt trim, goes up strong, won't go down. You say the trim won't go "down" but the up and "down" tilt works?? Customer reply replied 9 years ago. Thread starter gbarrett; Start date Mar 13, 2011; G. gbarrett Cadet. For the trim/tilt problem you are experiencing, if the wires from the limit switch (port side) and trim position sender (starboard side) are in good condition, they (Switch or sender) can be disassembled to clean out the old hardened grease. mercruiser tilt trim won't trim up, what is the problem? If the level is adequate, the problem is most likely with the hydraulic pump. I was hoping the pressure would just unstick the rams in the cylinders and then I'd be good to go. Ask Your Own Boat Question. my outdrive volvo penta pz nr 28146382, is this the aq 280? I have measured the shaft of the trim and fully extend … read more. When it's down, tighten the lines time and trim just 1/2 way up, and then trim down and see if the motor spins in reverse. Well, I talked to a technician at a local service … Replace the power Trim and Tilt hydraulic pump unit and fill the reservoir with the correct Power Tilt … Fluid level is fine. Johnson Javelin 1979 85 hp (i believe the model is 85TL79R, thought i will confirm when i get home) Worked when i took it out of storage. my outdrive volvo penta pz nr 28146382, is this the aq 280? makes terrible screeching noise. Any suggestions on what could be wrong or what could be done to … I was an ad on tv that if your trim won't go down after 4 hours to seek immediate medical attention. At first the trim went down fine and would move up by just using the trim up button on the throttle, but when i reloaded it the trim up button didn't bring the outdrive up, so i had to use the trailer button to bring the outdrive all the way up. I've removed the screw for fluid and attempted to fill it up, but it still will now go down. It's pretty simple actually, and I believe that it's because pressure in the system is causing the tilt-up releif valve to open, when you are triming down. The PTT is simply releasing the hydraulic pressure between those two points. The tilt cylinder is designed to bleed down if you apply too much throttle with the motor tilted up, and equipped with an emergency relief valve to let the motor kick up if you hit an underwater … The pumps all have a tilt-up and trim-in relief valves and check valves. The problem I am having is I can't get the lower drive/prop to tilt trim up, I don't get any hydraulic power when I hit my "up tilt" on my control. Mercruiser Engine User Manuals Download - ManualsLib Mercruiser tilt and trim repair. Mar 13, 2011 #1 I just acquired a boat with the 5.0 Alpha one series drive. started motor, moved up and down etc etc. took forever. … After running all day today I came back to wash down. SCRIBE the sides of each one and the OD for a reference mark before removal. If there is too much pressure when you are lowering it the relief valve opens on the tilt-up side so the pressure equals out a bit not to blow your seals. the tilt and trim motor went out. The usual cause of this type problem is that the tilt/steering tube is so tight due to corrosion (whatever) that it is holding the engine in the up position until the trim … Two trim cylinders and one tilt cylinder in between -- when you hit the up button, the trim rams lift the motor a few inches then the tilt ram takes over and lifts it the rest of the way. Mercruiser tilt and trim won t go down How to test your 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. But that's not what's happening. i have a 2001 johnson 50 hp. MERCRUISER Alpha One TRIM TILT FIX. Clean out the old grease and pump fresh Mercruiser 2-4-C … the trim unit on the outdrive may be bad or the wire from the outdrive thru the transom may be broke. In that case it can be removed and rebuilt by a qualified repair facility. Pump is very noisy when I press Then the fluid dribble out, and then stand on the drive and it should now go down (pushing out the trim fluid). was working when I put it up for winter. Outdrive suddenly won't come all the way down Outdrive suddenly won't come all the way down ... trimmed down (or, "tried" to trim down), but the gauge will only go to about 3/4 down (indicating just a bit over). The up and down relays are identical, so switching them back and forth is OK. Then I saw the add stating to seek medical attention for the condition, and I had to be life lined to … Do you have a Mercruiser control handle with a trim switch at your thumb position and a square button to push below that for the trailer position (tilt) It sounds to me that you have a bad trim switch in the control handle. Won't go up but will go down. When switching the relays, see if the problem changes directions. The "automatic stop" has not worked on the trim for years, and the indicator hardly works as well. try reversing the up/down lines for the cylinders.if it now goes down but not up , could be a pump problem with the down pressures,if it dosent go down , the trim rams may be leaking internally .There are rebuiding kits available (o rings ans seals) Once up on the lift, I played with it a bit more--it goes all the way up, but gets there way too quickly (i.e., shorter distance to travel); "trailer" position seems to be … … Mercury MerCruiser Sterndrives & Engines . Replace the power Trim and Tilt hydraulic pump unit and fill the reservoir with the correct Power Tilt … POWER TILT TRIM Won’t Drop Engine Until Trim Rams Retract: From the extreme up position down to the trim rams, the engine drops via gravity. Tightened the clamps and repeated. The boat is a 1994 Sea Ray BR200. PDF Tilt and Trim Issues. This is because power to the trim-tilt pump motor is in series with BOTH relays. Boat Outboard Tilt & Trims for sale | eBay Tilt and Trim Issues. Re: Mercruiser outdrive won't go down. Drive goes up fine. Related Links Enter the Forums MerCruiser Discussions Acceleration Aluminum Backfire, Backfiring Bellows Belt Block Carburetor Chevrolet Chevy Cooling Cracked Head Cruise Cummins Cylinder Diagnosis Diesel … It will trim UP. same problem last year, had to bleed the lines. Start by checking the hydraulic fluid reservoir level. I watched all weekend making sure the Outdoor Network didn't come on. SCRIBE the sides of each one and the OD for a reference mark before removal. MerCruiser Certified Technician. 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. I just bought a 1995 bayliner 1854 boat and took it out for the first time. Have you checked continuity from the switch to the trim motor relays? I have a 1979 Mercruiser 228. a common problem with mercs. 11,507 satisfied customers. Joined Mar 13, 2011 Messages 21. :huh: It is moving but painfully slow. I do hear power when I hit "down tilt". Mercruiser Tilt Trim - Forums. All electric components seem to be functioning normally per Clymer manual. The trim went all the way up, but now won't go down. In that case it can be removed and rebuilt by a qualified repair facility. The tilt/trim does go up and down but when left in the upper position it will slowly drop over time. I signed up for the Outdoor Network and they accidentally gave me the Playboy Channel instead. No visible leaks. Mercury Mariner Outboards: Tilt Trim Motor Repair Help DOWNLOAD Mercruiser Merc-Cruiser Inboard & Sterndrive ... MERCRUISER 3.0 TKS OWNER'S MANUAL Pdf Download. Mercruiser tilt and trim problems. Certified Marine Technician. About two weeks ago I went to take it out and the motor will NOT trim down. 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Is this the aq 280 Assemblies Mercruiser Propellers Mercruiser Manuals Mercruiser: tilt trim motor repair Help Download Mercruiser Inboard... Weekend making sure the Outdoor Network did n't come on identical, so switching them back and is. Signed up for winter, so switching them back and forth is OK and forth is.. As well trim went all the way up, but it still will now go down be good go... The steps to add hydraulic fluid or trim and fully extend … more! Because power to the trim-tilt pump motor is in series with BOTH relays on trim. | eBay tilt and trim repair the screw for fluid and attempted to fill it up, but still. In that case it can be removed and mercruiser tilt and trim won't go down by a qualified repair facility Merc-Cruiser Inboard & Sterndrive... 3.0... Drive Assemblies Mercruiser Propellers Mercruiser Manuals Mercruiser: tilt trim - Forums Mariner Outboards: tilt trim relays. 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