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How do i replace an impeller on a 5.7 merccruiser inboard /outboard engine

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There Is a Impeller On The Sea Water Intake Side Driven By A Fan Belt At Front Of Engine ,
Remove Cover Pull Out Impeller Check Key Fit New Impeller And Gasket

Posted on Mar 30, 2013

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Posted on Jan 02, 2017

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SOURCE: how to replace impeller in a 1959 evinrude

Put engine in fwd gear. Then disconnect the shift linkage. Remove the bolts that hold the gearcase on and slide gearcase off of the tower. Remove the 4 bolts or screws in the waterpump housing and lift the housong off. Replace the impeller and reassemble in reverse order. Make sure that you get the water tube lined back up and you can twist the prop to line the splines back up in the powerhead.

Posted on Aug 09, 2009

  • 5520 Answers

SOURCE: 1989 galaxie boat. inboard/outboard 4.3l stiff steering

The first thing I would do is disconnect the steering at the transom. You want to find out if the problem is in the helm(steering wheel) or in the inboard/outboard pivots.

When you turn the wheel after the disconnect, it should not be hard. There is a set screw in the steering assembly either above or below the dash. There should be enough tension so the boat does not wander but not enough to be terrible to steer.

Next go to the outdrive. Without the steering connected, the outdrive should move with minimum resisitance in either direction. There are pivot points on top and bottom that should have marine grease at the start of each season.

You have a 21 year old boat. The driveshaft in the Inboard/Outboard should be greased every 2 to 3 seasons and the watertight bellows can be inspected at that time.

Now if the steering is even worse under power, you need to adjust the fin that drops down behind the prop. This part controls Torque steer so the outdrive is not trying to turn on you and wants to stay straight. If you do not have a problem leave it alone.

You can get an estimate for the driveshaft service and greasing U-joints and inspecting the bellows. They should grease the pivot points then too. I am told its about a 2 hour job. In my area its 60-70 an hour.

Posted on Apr 13, 2010

  • 1 Answer

SOURCE: Mercruiser 5.7 litre inboard engine Impeller fault

i have a 5.7 v8 4brl in my boat with top water exhaust and my valve cover filter tubes are sendig excessive moisture into my carb . why

Posted on Apr 20, 2010

  • 11 Answers

SOURCE: replaced impeller on a 150 yahmaha outboard, cant get it to slide all the way back in

Get someone to turn the flywheel slowly while you keep upword pressure.This will allow the splines on the shaft and flywheel to mesh.Or turn prop if box is in gear.

Posted on Nov 26, 2011

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2 Answers

MY classic 1976 Austin mini tends to over heat when outside temp is over 35c thermostat replaced with a safari one Radiator good WHY???


Maybe the engine cooling pump not work well?
If use flexible rubber impeller in the pump,check the vanes are leak or broken down?
flexible impeller vans broken-sdny5mf3hz2elzobmxxzydf3-5-0.jpeg


We supply full range raw water pump impellers for outboard and inboard.Our website www.flexible-impeller.com
Normally we can delivery out by FedEx/UPS in 3~5days arrive customer's hand.I hope which can help you:-)

Best regards from Lindong

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How to back the brakes off on a 2001 pontiac grand am so I can replace with new brake pads


Welcome to Fixya

Please see procediure below:

  • 1

    Disconnect the negative battery cable. Using a syringe, turkey baster or similar tool, drain two third of the brake fluid from the master cylinder. Raise the Grand AM up and secure it on jackstands. Remove the wheel assembly.

  • 2

    Remove the caliper from the steering knuckle. Using mechanic's wire suspend the caliper from the frame of the vehicle. Avoid having the caliper dangle or hang from the brake hose or it will result in the brake line being damaged. Remove both the inboard and outboard brake pads. To unseat the clip tilt the inboard pad out at the top.

  • 3

    Remove the outboard pad. Release the mounting dowel from the hole in the caliper by pushing the outside pad in an inward motion. Pull the inboard pad outward to remove it from the caliper.

  • 4

    Install the inboard pad. Make sure that the spring clip engages in the caliper position. Install the outboard pad over the caliper end. Make sure that the mounting dowels snap into the mounting holes in the caliper. Install the caliper over the rotor onto steering knuckle.

  • 5

    Insert the caliper mounting bolts and sleeves. Torque the bolts to 23-ft. lbs. Reconnect the wheel assembly. Add brake fluid. Reconnect the negative battery cable to the battery.

  • 6

    Start the engine and pump the brakes 3 to 4 times to seat the brake pads. Test drive the vehicle at slow to moderate speeds to ensure that the maintenance was performed correctly.


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    May 08, 2011 | Pontiac Grand Am Cars & Trucks

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