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KARCHER PRESSURE WASHER

MY MODEL 3.91 IS LEAKING ABOVE CYLINDER HEAD BETWEEN GROOVED RING AND SUPPORTING RING IS THEIR A GASKIT OR NOT

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  • Cars & Trucks Master
  • 45,551 Answers

It is a "O" ring and this is a common problem for that make of washer
New rings are available but I used a larger diameter material "O" ring from a seal shop as the thickness of the oem ring doesn't apply enough pressure to the plate to seal off
I also used locktite blue on the ring and that fixed the problem
take the ring along and get one about 1/2 mm thicker

Posted on Apr 09, 2015

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Posted on Jan 02, 2017

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1 Answer

How to install a fuel pump


REMOVAL & INSTALLATION


CAUTION
Fuel injection systems remain under pressure, even after the engine has been turned OFF. The fuel system pressure must be relieved before disconnecting any fuel lines. Failure to do so may result in fire and/or personal injury.
  1. If equipped with air suspension, the air suspension switch, located on the right-hand side of the luggage compartment, must be turned to the OFF position before raising the vehicle.
  2. Disconnect the negative battery cable.
  3. Relieve fuel system pressure using the recommended procedure.
  4. Raise and safely support the vehicle.
  5. Remove the fuel tank from the vehicle and place on a suitable work bench.
  6. Remove any dirt that has accumulated around the fuel pump retaining flange so it will not enter the tank during pump removal and installation.
  7. On 1989-94 models, turn the fuel pump locking ring counterclockwise and remove the locking ring.
  8. On 1995-98 models, remove 6 retaining bolts around the perimeter of the fuel pump module.
  9. Remove the fuel pump/sending unit assembly. Remove and discard the seal ring.
To install:
  1. Clean the fuel pump mounting flange, fuel tank mounting surface and seal ring groove.
  2. Apply a light coating of grease on a new seal ring to hold it in place during assembly and install in the seal ring groove.
  3. Install the fuel pump/sending unit assembly carefully to ensure the filter is not damaged. Make sure the locating keys are in the keyways and the seal ring remains in the groove.
  4. Hold the pump assembly in place and install the locking ring finger-tight. Make sure all the locking tabs are under the tank lock ring tabs.
  5. Rotate the locking ring clockwise until the ring is against the stops.
  6. Install the fuel tank into the vehicle.
  7. Lower the vehicle.
  8. If equipped with air suspension, turn the air suspension switch to the ON position.
  9. Add a minimum of 10 gallons of fuel to the tank and check for leaks.
  10. Reconnect the negative battery cable.
  11. Turn the ignition switch to the RUN position several times to pressurize the fuel system. Check for fuel leaks and correct as necessary.
  12. Start the engine and check for leaks.
  13. Road test the vehicle and check for proper operation.

25974850-55j43zfoeuhdrtvntybmbhee-3-0.gif

25974850-55j43zfoeuhdrtvntybmbhee-3-1.gif

25974850-55j43zfoeuhdrtvntybmbhee-3-3.gif

Nov 22, 2015 | 1988 Mercury Grand Marquis

1 Answer

Install 1995 mercury grand marquis fuel pum


REMOVAL & INSTALLATION


CAUTION
Fuel injection systems remain under pressure, even after the engine has been turned OFF. The fuel system pressure must be relieved before disconnecting any fuel lines. Failure to do so may result in fire and/or personal injury.
  1. If equipped with air suspension, the air suspension switch, located on the right-hand side of the luggage compartment, must be turned to the OFF position before raising the vehicle.
  2. Disconnect the negative battery cable.
  3. Relieve fuel system pressure using the recommended procedure.
  4. Raise and safely support the vehicle.
  5. Remove the fuel tank from the vehicle and place on a suitable work bench.
  6. Remove any dirt that has accumulated around the fuel pump retaining flange so it will not enter the tank during pump removal and installation.
  7. On 1989-94 models, turn the fuel pump locking ring counterclockwise and remove the locking ring.
  8. On 1995-98 models, remove 6 retaining bolts around the perimeter of the fuel pump module.
  9. Remove the fuel pump/sending unit assembly. Remove and discard the seal ring.
To install:
  1. Clean the fuel pump mounting flange, fuel tank mounting surface and seal ring groove.
  2. Apply a light coating of grease on a new seal ring to hold it in place during assembly and install in the seal ring groove.
  3. Install the fuel pump/sending unit assembly carefully to ensure the filter is not damaged. Make sure the locating keys are in the keyways and the seal ring remains in the groove.
  4. Hold the pump assembly in place and install the locking ring finger-tight. Make sure all the locking tabs are under the tank lock ring tabs.
  5. Rotate the locking ring clockwise until the ring is against the stops.
  6. Install the fuel tank into the vehicle.
  7. Lower the vehicle.
  8. If equipped with air suspension, turn the air suspension switch to the ON position.
  9. Add a minimum of 10 gallons of fuel to the tank and check for leaks.
  10. Reconnect the negative battery cable.
  11. Turn the ignition switch to the RUN position several times to pressurize the fuel system. Check for fuel leaks and correct as necessary.
  12. Start the engine and check for leaks.
  13. Road test the vehicle and check for proper operation.

25974841-55j43zfoeuhdrtvntybmbhee-3-0.gif

25974841-55j43zfoeuhdrtvntybmbhee-3-1.gif

25974841-55j43zfoeuhdrtvntybmbhee-3-3.gif

Nov 22, 2015 | 1995 Mercury Grand Marquis

3 Answers

What controls pressure in cooling system 1.5dci renault


I agree with Mike, but suspect you already have a measuring device to know the pressure is excessive. You should get the cap checked first.

But additional pressure that keeps coming out of the radiator above the release limit of 14-18 lbs is probably due to escaped compression from the engine cylinders. You will see bubbles inside the radiator while the engine runs.

Sometimes you will get water in the cylinder after the engine sets under pressure, but not always. Your engine works at about 140psi in the cylinder more or less. The radiator at 14-18 psi. A leak in a head gasket may take more than 14-18 psi to leak. So the leak acts like a one-way valve shoving air into the cooling system. Since the cooling system loses pressure as it cools, the water may not flow back into the cylinders when the engine is not running.

This is sometimes indicated in a cylinder bleeddown test where high pressure is shoved into the cylinder. Bubbles may be observed in the radiator from escaping air. Otherwise a compression drop in a cylinder may as easily be due to bad rings.

I hope my solution is helpful.

Sep 01, 2012 | 2005 Renault Megane

3 Answers

Oil leak 2000 alero, just replaced plug, not it, leaked out all the oil after I drove it 20 miles, please help, could it be a gasket or what


Check the oil filter. The old gasket might be stuck on the engine (two gaskets stuck together), or the new gasket might be defective, misaligned or missing.

Nov 05, 2011 | 2000 Oldsmobile Alero

1 Answer

Was driving and my car died. it does not want to start.where is the electric fuel pump at?


Electric Fuel Pump REMOVAL & INSTALLATION CAUTION
Fuel injection systems remain under pressure, even after the engine has been turned OFF. The fuel system pressure must be relieved before disconnecting any fuel lines. Failure to do so may result in fire and/or personal injury.
  1. If equipped with air suspension, the air suspension switch, located on a side panel of the trunk compartment, must be turned to the OFF position before raising the vehicle.
  2. Disconnect the negative battery cable.
  3. Relieve fuel system pressure using the recommended procedure.
  4. Raise and safely support the vehicle.
  5. Remove the fuel tank from the vehicle and place on a suitable work bench.
  6. Remove any dirt that has accumulated around the fuel pump retaining flange so it will not enter the tank during pump removal and installation.
  7. On 1988-94 models, turn the fuel pump locking ring counterclockwise and remove the locking ring.
  8. On 1995-00 models, remove the retaining bolts around the perimeter of the fuel pump module.
  9. Remove the fuel pump/sending unit assembly. Remove and discard the seal ring. To install:
  10. Clean the fuel pump mounting flange, fuel tank mounting surface and seal ring groove.
  11. Apply a light coating of grease on a new seal ring to hold it in place during assembly and install it in the seal ring groove.
  12. Install the fuel pump/sending unit assembly carefully to ensure the filter is not damaged. Make sure the locating keys are in the keyways and the seal ring remains in the groove.
  13. Hold the pump assembly in place and install the locking ring finger-tight. Make sure all the locking tabs are under the tank lock ring tabs.
  14. Rotate the locking ring clockwise until the ring is against the stops.
  15. Install the fuel tank into the vehicle.
  16. Lower the vehicle.
  17. If equipped with air suspension, turn the air suspension switch to the ON position.
  18. Add a minimum of 10 gallons of fuel to the tank and check for leaks.
  19. Reconnect the negative battery cable.
  20. Turn the ignition switch to the RUN position several times to pressurize the fuel system. Check for fuel leaks and correct as necessary.
  21. Start the engine and check for leaks.
  22. Road test the vehicle and check for proper operation. Fig. 1: The fuel pump is located in the fuel tank. On some models it can be viewed from the side as shown here 89605p02.jpg
    Fig. 2: Electric fuel pump removal 84175037.gif
    Fig. 3: Fuel pump locking ring installation 84175038.gif
prev.gif next.gif

Nov 18, 2010 | 1988 Lincoln Town Car

1 Answer

Need a diagram on fuel pump installation


REMOVAL & INSTALLATION
CAUTION
Fuel injection systems remain under
pressure, even after the engine has been turned OFF. The fuel system pressure
must be relieved before disconnecting any fuel lines. Failure to do so may
result in fire and/or personal injury.

  1. If equipped with air suspension, the air suspension switch, located on a
    side panel of the trunk compartment, must be turned to the OFF position
    before raising the vehicle.
  2. Disconnect the negative battery cable.
  3. Relieve fuel system pressure using the recommended procedure.
  4. Raise and safely support the vehicle.
  5. Remove the fuel tank from the vehicle and place on a suitable work bench.
  6. Remove any dirt that has accumulated around the fuel pump retaining flange
    so it will not enter the tank during pump removal and installation.
  7. On 1988-94 models, turn the fuel pump locking ring counterclockwise and
    remove the locking ring.
  8. On 1995-00 models, remove the retaining bolts around the perimeter of the
    fuel pump module.
  9. Remove the fuel pump/sending unit assembly. Remove and discard the seal
    ring.
    To install:

  10. Clean the fuel pump mounting flange, fuel tank mounting surface and seal
    ring groove.
  11. Apply a light coating of grease on a new seal ring to hold it in place
    during assembly and install it in the seal ring groove.
  12. Install the fuel pump/sending unit assembly carefully to ensure the filter
    is not damaged. Make sure the locating keys are in the keyways and the seal ring
    remains in the groove.
  13. Hold the pump assembly in place and install the locking ring finger-tight.
    Make sure all the locking tabs are under the tank lock ring tabs.
  14. Rotate the locking ring clockwise until the ring is against the stops.
  15. Install the fuel tank into the vehicle.
  16. Lower the vehicle.
  17. If equipped with air suspension, turn the air suspension switch to the
    ON
    position.
  18. Add a minimum of 10 gallons of fuel to the tank and check for leaks.
  19. Reconnect the negative battery cable.
  20. Turn the ignition switch to the RUN position several times to
    pressurize the fuel system. Check for fuel leaks and correct as necessary.
  21. Start the engine and check for leaks.
  22. Road test the vehicle and check for proper operation.





    Fig. 1: The fuel pump is located in the fuel tank. On some
    models it can be viewed from the side as shown here
    89605p02.jpg






    Fig. 2: Electric fuel pump removal
    84175037.gif






    Fig. 3: Fuel pump locking ring installation
    84175038.gif


prev.gif next.gif

Nov 03, 2010 | 1996 Lincoln Mark VIII

1 Answer

How to change a fuel pump


Ford Crown Victoria/Grand Marquis 1989-1998

Electric Fuel Pump - REMOVAL & INSTALLATION

CAUTION Fuel injection systems remain under pressure, even after the engine has been turned OFF. The fuel system pressure must be relieved before disconnecting any fuel lines. Failure to do so may result in fire and/or personal injury.
  1. If equipped with air suspension, the air suspension switch, located on the right-hand side of the luggage compartment, must be turned to the OFF position before raising the vehicle.
  2. Disconnect the negative battery cable.
  3. Relieve fuel system pressure using the recommended procedure.
  4. Raise and safely support the vehicle.
  5. Remove the fuel tank from the vehicle and place on a suitable work bench.
  6. Remove any dirt that has accumulated around the fuel pump retaining flange so it will not enter the tank during pump removal and installation.
  7. On 1989-94 models, turn the fuel pump locking ring counterclockwise and remove the locking ring.
  8. On 1995-98 models, remove 6 retaining bolts around the perimeter of the fuel pump module.
  9. Remove the fuel pump/sending unit assembly. Remove and discard the seal ring.
To install:
  1. Clean the fuel pump mounting flange, fuel tank mounting surface and seal ring groove.
  2. Apply a light coating of grease on a new seal ring to hold it in place during assembly and install in the seal ring groove.
  3. Install the fuel pump/sending unit assembly carefully to ensure the filter is not damaged. Make sure the locating keys are in the keyways and the seal ring remains in the groove.
  4. Hold the pump assembly in place and install the locking ring finger-tight. Make sure all the locking tabs are under the tank lock ring tabs.
  5. Rotate the locking ring clockwise until the ring is against the stops.
  6. Install the fuel tank into the vehicle.
  7. Lower the vehicle.
  8. If equipped with air suspension, turn the air suspension switch to the ON position.
  9. Add a minimum of 10 gallons of fuel to the tank and check for leaks.
  10. Reconnect the negative battery cable.
  11. Turn the ignition switch to the RUN position several times to pressurize the fuel system. Check for fuel leaks and correct as necessary.
  12. Start the engine and check for leaks.
  13. Road test the vehicle and check for proper operation.

See Figures 1, 2 and 3


ce2f3f1.jpg

Fig. 1: The fuel pump is located in the fuel tank. On some models it can be viewed from the side as shown here

bdc6f2a.jpg

Fig. 2: Electric fuel pump removal

87dcb30.jpg

Fig. 3: Fuel pump locking ring installation


Hope this hel to solve your problem (remembercomment and rated this).

Apr 25, 2010 | 1992 Mercury Grand Marquis

1 Answer

HOW DO CHANGE A FUEL PUMP ON A 93 LINCOLN MARK 8


Removal & Installation See fuel pump under fuel tank in this section.

CAUTION Fuel injection systems remain under pressure, even after the engine has been turned OFF. The fuel system pressure must be relieved before disconnecting any fuel lines. Failure to do so may result in fire and/or personal injury.

  1. If equipped with air suspension, the air suspension switch, located on a side panel of the trunk compartment, must be turned to the OFF position before raising the vehicle.
  2. Disconnect the negative battery cable.
  3. Relieve fuel system pressure using the recommended procedure.
  4. Raise and safely support the vehicle.
  5. Remove the fuel tank from the vehicle and place on a suitable work bench.
  6. Remove any dirt that has accumulated around the fuel pump retaining flange so it will not enter the tank during pump removal and installation.
  7. On 1988–94 models, turn the fuel pump locking ring counterclockwise and remove the locking ring.
  8. On 1995–00 models, remove the retaining bolts around the perimeter of the fuel pump module.
  9. Remove the fuel pump/sending unit assembly. Remove and discard the seal ring.
To install:
  1. Clean the fuel pump mounting flange, fuel tank mounting surface and seal ring groove.
  2. Apply a light coating of grease on a new seal ring to hold it in place during assembly and install it in the seal ring groove.
  3. Install the fuel pump/sending unit assembly carefully to ensure the filter is not damaged. Make sure the locating keys are in the keyways and the seal ring remains in the groove.
  4. Hold the pump assembly in place and install the locking ring finger-tight. Make sure all the locking tabs are under the tank lock ring tabs.
  5. Rotate the locking ring clockwise until the ring is against the stops.
  6. Install the fuel tank into the vehicle.
  7. Lower the vehicle.
  8. If equipped with air suspension, turn the air suspension switch to the ON position.
  9. Add a minimum of 10 gallons of fuel to the tank and check for leaks.
  10. Reconnect the negative battery cable.
  11. Turn the ignition switch to the RUN position several times to pressurize the fuel system. Check for fuel leaks and correct as necessary.
  12. Start the engine and check for leaks.
  13. Road test the vehicle and check for proper operation.
600e72f.gif
The fuel pump is located in the fuel tank. On some models it can be viewed from the side as shown here

eca7bc0.gif
Electric fuel pump removal

92c2922.gif
Fuel pump locking ring installation

Oct 13, 2009 | 1993 Lincoln Mark VIII

1 Answer

I have a subaru ej20 turbo engine i am changing the head gaskits will be replasing them with steel head gaskits and need two know the tork settings can you help


Information taken from Subaru Impreza workshop manual.

Apply a coat of oil to washer and bolt threads.
First tighten all bolts to 29nm (22ft lbs) in this order.
Looking at head with front of engine on your left hand side
Top Middle
Bottom Middle
Top Left
Bottom Right
Bottom Left
Top Right
After doing this tighten them further to 69nm (51ft lbs) in the same order as above.
Back off (loosen) all bolts 180 degrees in same order as above.
Then back them off again another 180 degrees.
Tighten all bolts in the order above to 29nm (22ft lbs) followed by a further 80 to 90 degrees
Tighten all bolts in order as above a further 40 - 45 degrees
Tighten bolts Top Middle and Bottom Middle another 40 - 45 degrees

Job done.

Sep 15, 2009 | 1995 Subaru Impreza

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