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How to install a fuel pump on 1985 Chevy Impala V8 5.0L?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1596 Answers

SOURCE: I need to replace the fuel pump in my 1985 Chevy S10 Pickup.

EXACT PROCEDURE ! Please Rate Me Fairly for this!! Thank you And Good Luck !!


ELECTRIC PUMP

REMOVAL

  1. Before servicing the fuel pump the fuel system pressure must be relieved. See: Fuel Pressure Release
  2. Disconnect the negative battery cable.
  3. Raise the car on a hoist.
  4. Remove the fuel tank. See Fuel Tank / Service and Repair.
  5. Remove the fuel tank sending unit and pump assembly by turning the cam lock ring counterclockwise. Lift assembly from the fuel tank.
  6. Pull the fuel pump up into the attaching hose while pulling outward away from the bottom support. Take care to prevent damage to the rubber insulator and strainer during removal. After the pump assembly is clear of the bottom support, pull the pump assembly out of the rubber connector for removal. NOTE: Inspect the fuel pump attaching hose for any signs of deterioration. Also check the rubber sound insulator at the bottom of the pump. Replace damaged or deteriorated parts.
INSTALLATION
  1. Push the fuel pump assembly into the attaching hose.
  2. Position the fuel tank sending unit and pump assembly into the fuel tank. Use a new "O" ring seal. NOTE: Care should be taken not to fold over or twist the strainer when installing the sending unit as this will restrict the flow of fuel. Also, verify that the strainer does not block the full travel of the float arm.
  3. Install cam lock over the assembly and lock by turning clockwise.
  4. Reinstall fuel tank.
MECHANICAL PUMP

REMOVAL and INSTALLATION

NOTE: To ease pump installation, rotate the camshaft so the camshaft eccentric is out of the way of the fuel pump rocker arm.

  1. Disconnect fuel lines from fuel pump.
  2. Remove fuel pump mounting bolts and the fuel pump.
  3. Remove all gasket material from the pump and block gasket surfaces. Apply sealer to both sides of new gasket.
  4. Position gasket on pump flange and hold pump in position against its mounting surface. Make sure rocker arm is riding on camshaft eccentric.
  5. Press pump tight against its mounting. Install retaining screws and tighten them alternately.
  6. Connect fuel lines. Then operate engine and check for leaks.

Posted on Mar 22, 2009

  • 1129 Answers

SOURCE: diy on fuel pump for 02 chevy express cargo van.

The fuel pump is located in the gas tank aquire a repair manual to have a detailed decription of the procedure in order to prepare for this job.

Posted on Jul 12, 2009

rtpflh
  • 546 Answers

SOURCE: how to replace a fuel pump for 2001 chevy impala

it's located inside the gas tank. tank must be removed to access it.lower tank,label & remove hoses unplug wires.turn locking ring between plastic pump & tank,remove pump.reverse to assemble.

Posted on Sep 23, 2009

  • 1214 Answers

SOURCE: How to install a new fuel pump on a 1985 Chevy,305 V8,

Remove the plunger rod by removing the plate that is bolted to the block. Clean all parts if needed.

Apply some axle grease to the plunger rod and reinstall into the block, replace plate, then carefully install fuel pump, making sure the plunger is under the push rod.

Just did this same thing on my '66 283.

Posted on Dec 17, 2009

  • 524 Answers

SOURCE: 2002 chevy impala how do i replace the fuel pump?

you need to either drop the fuel tank or in the trunk under the carpet there is an inspection cover.

Posted on Mar 19, 2010

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1 Answer

INERTIA SWITCH for a 2003 Chevy Impala


Chevy doesn't have a inertia switch . If the engine dies after a wreck the fuel pump shuts off because the PCM doesn't see a crankshaft position sensor signal . The engine has to be running or cranking . GM Fuel Pump Relay Testing YouTube

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Need to replace the fuel pump on 2002 chevy impala


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This could be due to a faulty fuel sensor in the fuel tank try draining the fuel tank and replacing the sensor.

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1985 Chevy Blazer 4x4 2.8L V6 - engine wont start. However, when I dumped a small amount of fuel in carb - it started briefly. Is this a fuel pump issue - if so where is it located? Or can it be something...


You should see gas squirt in the carb with the movement of the linkage....if not, bad fuel pump.

2.8L Engine The fuel pump is located on the front left side of the engine.
  1. Disconnect the negative battery cable.
  2. Disconnect the fuel hoses from the pump. If necessary, tag the lines to assure proper installation.
  3. Remove the fuel pump-to-engine bolts and remove the fuel pump from the engine, then remove and discard the old gasket.
To install:
Before installing the fuel pump, it may be helpful to rotate the crankshaft so that the cam lobe is on the down stroke.
  1. Use a new gasket and RTV sealant, then install the pump to the engine.
  2. Tighten the fuel pump-to-engine bolts to 15 ft. lbs. (20 Nm).
  3. Connect the fuel hoses to the pump, as noted during removal.
  4. Connect the negative battery cable, then start the engine and check for proper pump operation.

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The 1985 Impala came standard with the Chevrolet 305 V8. All Chevrolet small block V8's from 265 cubic inches to 400 cubic inches from 1957 to about 1989 used the same block with almost no difference in the castings, so the motor mounts should fit from one block to the next. If you are trying to swap in a 350 newer than 1989, then the motor mounts are different, and you will have to have them fabricated by a local welder, machine shop, or perhaps the best, a local short-track race car driver/builder. Those guys can build anything.

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How to replkace the fuel pump on a 2001 chevy impala 3.8 engine


I'm pretty sure the fuel pump is inside the tank on this model. you would have to drain the tank, remove it from the vehicle and install the new one. Just to be sure, check underneath the rear seat and trunk area to make sure there are no access points to the fuel pump. Some cars come with access points...most do not.

Jan 06, 2010 | 2001 Chevrolet Impala

1 Answer

How to install a new fuel pump on a 1985 Chevy,305 V8,


Remove the plunger rod by removing the plate that is bolted to the block. Clean all parts if needed.

Apply some axle grease to the plunger rod and reinstall into the block, replace plate, then carefully install fuel pump, making sure the plunger is under the push rod.

Just did this same thing on my '66 283.

Dec 17, 2009 | 1985 Chevrolet Caprice

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1985 chevy truck fires couple times but wont start


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Jun 10, 2009 | 1985 Chevrolet Chevy

1 Answer

I need to replace the fuel pump in my 1985 Chevy S10 pickup, need all help. What is the procedures?


EXACT PROCEDURE ! Please Rate Me Fairly for this!! Thank you And Good Luck !!


ELECTRIC PUMP

REMOVAL
  1. Before servicing the fuel pump the fuel system pressure must be relieved. See: Fuel Pressure Release
  2. Disconnect the negative battery cable.
  3. Raise the car on a hoist.
  4. Remove the fuel tank. See Fuel Tank / Service and Repair.
  5. Remove the fuel tank sending unit and pump assembly by turning the cam lock ring counterclockwise. Lift assembly from the fuel tank.
  6. Pull the fuel pump up into the attaching hose while pulling outward away from the bottom support. Take care to prevent damage to the rubber insulator and strainer during removal. After the pump assembly is clear of the bottom support, pull the pump assembly out of the rubber connector for removal. NOTE: Inspect the fuel pump attaching hose for any signs of deterioration. Also check the rubber sound insulator at the bottom of the pump. Replace damaged or deteriorated parts.
INSTALLATION
  1. Push the fuel pump assembly into the attaching hose.
  2. Position the fuel tank sending unit and pump assembly into the fuel tank. Use a new "O" ring seal. NOTE: Care should be taken not to fold over or twist the strainer when installing the sending unit as this will restrict the flow of fuel. Also, verify that the strainer does not block the full travel of the float arm.
  3. Install cam lock over the assembly and lock by turning clockwise.
  4. Reinstall fuel tank.
MECHANICAL PUMP

REMOVAL and INSTALLATION

NOTE: To ease pump installation, rotate the camshaft so the camshaft eccentric is out of the way of the fuel pump rocker arm.

  1. Disconnect fuel lines from fuel pump.
  2. Remove fuel pump mounting bolts and the fuel pump.
  3. Remove all gasket material from the pump and block gasket surfaces. Apply sealer to both sides of new gasket.
  4. Position gasket on pump flange and hold pump in position against its mounting surface. Make sure rocker arm is riding on camshaft eccentric.
  5. Press pump tight against its mounting. Install retaining screws and tighten them alternately.
  6. Connect fuel lines. Then operate engine and check for leaks.

Mar 22, 2009 | 1985 Chevrolet S-10

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