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  1. K

    SP-A Shift Mechanism Sealing Ring

    AQ131 motors with SP-A outdrives. Is there a trick to replacing the sealing ring for the eccentric piston on the shift mechanism. The sealing ring is $20 and I attempted to change it but it would not seat right. Do I really need the Volvo special tool, part no. 884793? Also to reinstall the...
  2. K

    AQ131 Ignition Coil Troubles?

    I have a Volvo AQ131D motor and want to see if I need to replace my ignition coil and wanted to do an ignition coil resistance check but do not know what the resistance values should be for the primary coil check and the secondary coil check. Any help? I am wanting to check because the other...
  3. K

    Volvo AQ131 Heat Exchanger temperature?

    Volvo AQ131. How hot should the heat exchanger be to the touch on the outside. If it is too hot to touch with the hand is this normal or is there circulation problems? Aloha
  4. K

    TDC crank pulley timing mark not a 0

    Volvo AQ131D motors. When motor is at Top Dead Center, are the timing marks on the crank pulley supposed to be at 0 degrees? Mine are not, one is about 10 degrees before TDC and the other is about 14 before TDC. I am positive the motors are at TDC. Can I make a new mark at 0 degrees and then...
  5. K

    Volvo Heat Exchanger Bolts?

    I took my two Volvo AQ131D Heat Exchangers apart and took the cores to have cleaned and tested. Of course I broke off three bolts on one and one on the other. Took both housings to the machine shop to extract the broken bolts and to bead blast the housings (they look like new now) after being...
  6. K

    Heads off, should I clean the piston tops?

    Two AQ131D B230 Motors. Took off both heads, waiting for new heads to arrive. Should I clean the carbon off the tops of the pistons or just leave well enough alone. If I should, what is the best process to clean them. Please be specific. Should I only clean them when the pistons are at the...
  7. K

    Auto water pump w/closed cooling motor?

    Volvo AQ131D motor with closed cooling. Will automotive water pump be o.k? Aloha!!!
  8. K

    Volvo Cam Lock Tool, is it really need???

    Replacing the heads on my two AQ131D motors with automotive heads. I am going to buy two complete auto heads and just change the cams over. I just pulled the heads on both motors. Does anybody know where I can get the Volvo Cam press/lock tool for less than $200. Can this job be done without...
  9. K

    AQ131D Automotive Head replacement

    Need to replace two AQ131D 2.3L cylinder heads. The rear exhaust ports have cratered out. I have heard that I can use Volvo automotive heads. Does anybody know from what vehicle I can use the heads from. If I order two rebuilt ones, what parts would I need to replace. Would I have to use my...
  10. K

    3.0 Liter with SP-A Outdrives?

    Let me try another scenario, I currently have two AQ131D (2.3L) motors with the SP-A outdrives. My motors are going to cost too much to fix, but the outdrives are in great condition. Will the SP-A outdrives work with the new Volvo 3.0 liter motors and what would I need to make them mate...
  11. K

    Can SP-A Outdrive mate to Chevy 350?

    I currently have two AQ131D motors with the SP-A outdrives. My motors are going to cost too much to fix so wanted to repower with one chevy 350 motor. Can this be done using one of my Volvo SP-A outdrives, which are in great condition, and if so what will I need to make this work. I can't find...
  12. K

    AQ131D need new heads

    I have two Volvo AQ131D motors that need new heads. The back exhaust port corroded out on both. What are my alternatives for replacement heads, besides buy two new Volvo Penta heads at over $3000 a piece. The stampings on the head are Volvo 100531. Thank you!!!
  13. K

    Volvo 131 Head Rear Exhaust Port

    I have two AQ131D Motors. Purchased boat that was sitting for 8 years and have been slowing working on it. Got both motors started and running but both were running hot so I just took off the exhaust manifolds and found them both in pretty bad shape and was going to order two new ones when I...
  14. K

    Broken Pivot Pin Lock Bolt

    Twin Volvo AQ131D with SP-A outdrives. I finally decided to tackle taking off my outdrives to replace trim hoses, u-joints and bellows. I've had the boat for almost a year now, after watching it sit in my neighbors yard for about 8 years. On one of the outdrives, both pivot pin locking bolts...
  15. K

    Hydraulic Pump Hose Inlet Stripped

    I really messed this one up, I stipped one of the hose threads on body of my Volvo Hydraulic Trim Pump, Volvo part #852928, for a SP-A outdrive. My question is what is going to be the cheapest fix for this, since I cannot find a new valve body portion of the pump? Can I take it to a shop and...
  16. K

    Volvo SP-A Trim Pump Motor

    I have two AQ131D motors with SP-A outdrives. The starboard outdrive does not trim up or down. When I push the switch, either up or down, I hear the relays clicking (both ways) but don't hear the motor trying to run. The port side one works. I checks the wire connections for both relays and...
  17. K

    SP-A 275 or 290 Volvo Outdrive?

    I have two Volvo AQ131D engines and wanted to know which outdrives I have, the 275 or 290. On both outdrives there is 854019 and on the id plate is, SP-A 2.15. Serial numbers are 3102077006 and the other is 3102077003 I thought they were 275 but then others are saying they are 290's. Please...
  18. K

    Volvo AQ131D Timing Belt HELP!!!

    My timing belt also broke in the driveway while trying to start it, AQ131D, (I just bought the boat as a project and have never ran it) I have the manual but it says to remove the 6 bolts on the crank pulley and remove it, but mine only has the one center bolt, do i still need to remove it. I...
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