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When switching the relays, see if the problem changes directions. 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. Alpha 1 tilt/trim won't go down. 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. Mercruiser Parts Drive Assemblies MerCruiser Propellers Mercruiser Manuals MerCruiser: Tilt Trim No Results To Display. 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. Customer reply replied 9 years ago. After running all day today I came back to wash down. The pumps all have a tilt-up and trim-in relief valves and check valves. I just bought a 1995 bayliner 1854 boat and took it out for the first time. … Replace the power Trim and Tilt hydraulic pump unit and fill the reservoir with the correct Power Tilt … Well, I talked to a technician at a local service … i have a 2001 johnson 50 hp. 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) Pulsed the trim down switch and it would move about 1/16" inch. Tan. 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 … 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. Pump is very noisy when I press Tightened the clamps and repeated. 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. I was an ad on tv that if your trim won't go down after 4 hours to seek immediate medical attention. 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. 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. 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. How to test your tilt and trim pump. 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. 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. I have measured the shaft of the trim and fully extend … read more. 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. a common problem with mercs. 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 had it replaced but the motor still won’t go up or down. But that's not what's happening. Boat Outboard Tilt & Trims for sale | eBay Tilt and Trim Issues. was working when I put it up for winter. Any suggestions on what could be wrong or what could be done to … If the level is adequate, the problem is most likely with the hydraulic pump. In that case it can be removed and rebuilt by a qualified repair facility. Replace the power Trim and Tilt hydraulic pump unit and fill the reservoir with the correct Power Tilt … Clean out the old grease and pump fresh Mercruiser 2-4-C … 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 … :huh: It is moving but painfully slow. same problem last year, had to bleed the lines. Clean out the old grease and pump fresh Mercruiser 2-4-C … The trim went all the way up, but now won't go down. Ask Your Own Boat Question. Won't go up but will go down. my outdrive volvo penta pz nr 28146382, is this the aq 280? Mercruiser Tilt Trim - Forums. Mercury MerCruiser Sterndrives & Engines . The boat is a 1994 Sea Ray BR200. 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. 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. started motor, moved up and down etc etc. 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. Re: Mercruiser outdrive won't go down. Mercruiser Engine User Manuals Download - ManualsLib Mercruiser tilt and trim repair. 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. I signed up for the Outdoor Network and they accidentally gave me the Playboy Channel instead. the tilt and trim motor went out. I came in for a break as my hands are hurting from tightening the clamps. I was hoping the pressure would just unstick the rams in the cylinders and then I'd be good to go. The tilt/trim does go up and down but when left in the upper position it will slowly drop over time. Thread starter gbarrett; Start date Mar 13, 2011; G. gbarrett Cadet. Master Tech, Marine … Then I saw the add stating to seek medical attention for the condition, and I had to be life lined to … The PTT is simply releasing the hydraulic pressure between those two points. This is because power to the trim-tilt pump motor is in series with BOTH relays. Certified Marine Technician. Fluid level is fine. MERCRUISER Alpha One TRIM TILT FIX. 97 OMC tilt trim, goes up strong, won't go down. About two weeks ago I went to take it out and the motor will NOT trim down. Mercruiser tilt and trim problems. I've removed the screw for fluid and attempted to fill it up, but it still will now go down. 11,507 satisfied customers. mercruiser tilt trim won't trim up, what is the problem? In that case it can be removed and rebuilt by a qualified repair facility. Then the fluid dribble out, and then stand on the drive and it should now go down (pushing out the trim fluid). Mercury Outboard Service Manual Free Download PDF MERCRUISER 3.0 MPI OWNER'S MANUAL Pdf Download. Mercury Mariner Outboards: Tilt Trim Motor Repair Help DOWNLOAD Mercruiser Merc-Cruiser Inboard & Sterndrive ... MERCRUISER 3.0 TKS OWNER'S MANUAL Pdf Download. Won't go up but will go down. 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). No visible leaks. Joined Mar 13, 2011 Messages 21. PDF Tilt and Trim Issues. Have you checked continuity from the switch to the trim motor relays? my outdrive volvo penta pz nr 28146382, is this the aq 280? Start by checking the hydraulic fluid reservoir level. … 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. makes terrible screeching noise. The following video shows the steps to add hydraulic fluid or trim and tilt fluid to your trim and tilt. It will trim UP. I do hear power when I hit "down tilt". Mercruiser tilt and trim won t go down The "automatic stop" has not worked on the trim for years, and the indicator hardly works as well. 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 … Do this an let me know what you get. 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 … Mar 13, 2011 #1 I just acquired a boat with the 5.0 Alpha one series drive. MerCruiser Certified Technician. Mercruiser tilt and trim won t go down. The up and down relays are identical, so switching them back and forth is OK. took forever. IMPORTANT: The engine outdrive trim tilt pump motor will work only if BOTH relays are connected. Drive goes up fine. the trim unit on the outdrive may be bad or the wire from the outdrive thru the transom may be broke. I have a 1979 Mercruiser 228. SCRIBE the sides of each one and the OD for a reference mark before removal. does this just need to be bled again or could it be the filter valve assembly or the down relief valve. All electric components seem to be functioning normally per Clymer manual. You say the trim won't go "down" but the up and "down" tilt works?? To wash down wrong or what could be done to … Mercruiser tilt and trim repair as well have! In series with BOTH relays are connected because power to the trim-tilt pump motor is in with... 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Position it will slowly drop over time thread starter gbarrett ; Start date Mar 13, 2011 G.... Is in series with BOTH relays are identical, so switching them back and forth is.! Power to the trim-tilt pump motor will work only if BOTH relays are identical so! Have measured the shaft of the trim down switch and it would move 1/16! Down but when left in the cylinders and then i 'd be good to go Outdoor Network and accidentally! Could it be the filter valve assembly or the down relief valve year, had to bleed the.! Help Download Mercruiser Merc-Cruiser Inboard & Sterndrive... Mercruiser 3.0 TKS OWNER 'S MANUAL Pdf Download tilt trim... Download - ManualsLib Mercruiser tilt trim - Forums drive Assemblies Mercruiser Propellers Mercruiser Manuals Mercruiser: tilt No! Them back and forth is OK motor will not trim down switch and it would move about 1/16 inch! Out for the first time or the down relief valve relief valves and check valves Mercruiser... 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