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  1. #1

    How to remove pump housing?

    I removed the four nuts on the inside, that was no problem.
    However the pump housing is attached to the hull with some
    kind of sealant, and it's been there for 10 years. Is there a
    helpful trick for removing the pump housing?


  2. #2
    2001 virage tx bossdog67's Avatar
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    why do you want to remove it ?? you will need an alignment tool to put it back in !
    are you trying to change a impeller or stator ? , if so then you need to remove the 4 long bolts at the back of pump , not the 4 short bolts that you have undone !

    if you are removing the whole pump , then yes they are glued on , from factory , and you will need to still undo all the rest as if you are removing the pump , and then tackle the main housing !

  3. #3
    Quote Originally Posted by bossdog67 View Post
    why do you want to remove it ?? you will need an alignment tool to put it back in !
    One of the pump bolts broke off in it and it won't budge.
    (Yes, I've tried liquid wrench, easy outs, etc. Still nothing.)

    It's going to require an alignment tool to install a new one?
    It's mounted with 4 studs, I didn't think it'd be adjustable.
    Although I don't have much choice, if it needs it, I'll do it.

    Quote Originally Posted by bossdog67 View Post
    if you are removing the whole pump , then yes they are glued on , from factory , and you will need to still undo all the rest as if you are removing the pump , and then tackle the main housing !
    Yes, it's glued on and I'm interested in some removal tips!!
    It's not like there's any room in there to insert a screwdriver
    to try and pry it off. Or I don't think there is.

  4. #4
    Click avatar for tech links/info, donation request K447's Avatar
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    Have you removed the ride plate? With the ride plate in place it will be very difficult to get the pump base off. Remove the intake grate, then the ride plate.

    Even with the ride plate removed, it can be a bear to get the sealant to release the pump base.

    Try not to damage the hull as you pry the pump base. As you pry and create a gap, use a thin blade to progressively cut the sealant.

    There is a large O-ring in there, that you may want to replace. Grease the O-ring during installation.

    Be sure to clean off the old sealant before applying fresh sealant and putting it back together. Tighten the stud nuts in a criss-cross fashion (28 ft-lbs).

    From the 2000 service manual
    1. Liberally grease large pump-to-hull O-ring and apply Marine Grade Silicone sealant to O-rings on bilge siphon and cooling water supply fittings.

    2. Apply anti-seize to threads of pump mounting studs.

    3. Install pump housing and hold inward against hull. Apply Marine Grade Silicone Sealant PN 8560054

    4. Torque pump housing nuts in three steps to 20 ft. lbs. (27.7 Nm) using a criss-cross pattern. Do not use air tools. Do not over-tighten mounting nuts or
    hull damage may occur.

    And
    3. Grease the large pump sealing O-ring and apply Marine Grade Silicone Sealant (PN 8560054) to the bilge siphon tube(s), cooling water supply tube, and studs (to seal stud in hull). Install pump.

    4. Hold pump inward tightly against hull while an assistant tightens stud mounting nuts inside hull. Torque evenly in three steps to 28 ft. lbs. (38.7 Nm).

    5. Torque pump mounting nuts (outside of hull) evenly in three steps to 28 ft. lbs. (38.7 Nm) using a criss cross pattern.

    6. Check to be sure pump housing is tight against hull. To inspect pump-to-hull fit, measure the gap between the hull and pump housing with a feeler gauge. If a gap is present it should not exceed .010" (.25mm).

    Intake Scoop / Ride Plate Installation and Sealing, All Models
    IMPORTANT! The area around the intake scoop and ride plate must be completely sealed in order to prevent ventilation of the pump area (cavitation). Prepare pump housing for installation before applying sealant.
    See Ventilation/Cavitation page 5.30 for more information.

    1. If ride plate or intake scoop has been removed, clean all old sealant from hull mounting area. Apply a 1/2" (1.3 cm) or larger continuous bead of marine grade silicone sealant to the area shown. Be sure to apply sealant between hull and inlet scoop shown by arrows.

    2. Install intake scoop, carefully push into place.

    3. Set ride plate in place and secure it with attaching screws. Wipe off any excess sealant inside scoop area so water flow is unobstructed. For precise alignment of the scoop, install the pump housing immediately (see pump installation).

    IMPORTANT! Allow sealant to cure for 12 hours before operating the craft.

  5. #5
    Intake grate and ride plate, check, I didn't even think about them.
    I have gone through those several times in the past, they're easy.

    It mentions nuts on the "outside" of the hull on the pump's studs.
    I don't see any nuts on the outside. Are they covered with caps
    or something that need to be removed to access them?

    Thanks!

  6. #6
    Excellent, the pump housing has been removed pretty simply.
    Now I just need to wait on the new one so I can install it and
    get the pump back in order.

    Where should I order or pickup the 8560054 silicone sealant?

  7. #7
    Home grown engineer, and professional tinkerer. 2 Strokin' Polaris's Avatar
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    I just went through a broken bolt same as you, but opted not to remove the intake grate, and ride plate. I fashioned a housing puller that took it right out in about 15 minutes. I also marked the orignial position of the housing to prevent mis-allignment when putting it all back together. Here is the thread:

    http://www.greenhulk.net/forums/show...Housing-Puller

  8. #8
    Quote Originally Posted by thehemi View Post
    Where should I order or pickup the 8560054 silicone sealant?
    Where do I get this, or suitable replacement, sealant?
    Can I just get any marine grade silicone sealant from an
    auto parts or marine store?

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