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Mechanical Fuel Pump Replacement Guideline:
Step 1:Disconnect the negative battery cable.
Step 2:Disconnect the fuel tank hose at the fuel pump and plug the hose with a bolt or wooden dowel to keep any fuel from flowing out. Also, disconnect the vapor-return hose if the vehicle is equipped with one. Be sure to wipe up any gas that spills.
Step 3:Carefully examine the old fuel hose; if it is frayed or cracked, replace it with new fuel line hose.
Step 4:Disconnect the outlet line to the carburetor. Use a wrench on the fuel pump fitting and another on the line nut.
Step 5:Remove the two attaching bolts and extract the old fuel pump. Clean off any old gasket material from the mounting surface of the engine using a shop rag.
Step 6:Apply a coat of gasket sealer on both sides of the new gasket. Put the attaching bolts through the new pump and slip the gasket over the bolts.
Step 7:Install the new pump on the engine. Make sure that push rod is correctly installed in both the engine and the fuel pump. If the push rod slides out, you can pack it with some heavy grease to hold it in place while you install the pump.
Step 8:Attach the fuel outlet line that runs to the carburetor. If it's difficult to connect, remove the other end of the line from the carburetor. Connect the line to the fuel pump, and then reattach the other end to the carburetor. Use a wrench to hold the fuel pump fitting and tighten the line nut with another wrench.
Step 9:Attach the fuel inlet hose from the gas tank and the vapor-return hose. Tighten all clamps.
Step 10:Reconnect the battery ground cable, start the vehicle, and check for leaks.
Cleaning Mechanical Fuel Pump Filters
Picture(A)
Disconnect the negative terminal on the battery. Locate the battery in the vehicle’s engine bay or trunk. It will look like a black box with two posts sticking out of it. Locate the positive (+) and negative (-) terminal posts and use the correct sized wrench to loosen the nut holding the cable to the negative post. Then slide the cable off.
*The terminals will be labeled with positive (+) and a negative (-) symbols.
*Disconnecting the battery is especially important when working with fuel to ensure nothing within the vehicle can produce a spark.
*Tuck the negative cable to the side of the battery to ensure it doesn’t come into contact with the terminal by accident.
Picture(B)
Locate the fuel pump. Mechanical fuel pumps are usually found on the engine, rather than in the fuel tank, because they rely on the crankshaft to power them.
*Most mechanical fuel pumps will have a portion that looks like a metal circle with a nozzle coming out of the top or bottom.
Picture(C)
Place a container beneath the vehicle to catch any leaking fuel. Depending on how the fuel pump is mounted, there’s a high likelihood that you’ll spill at least some fuel in this process. Slide a container beneath the vehicle directly under the fuel pump you’ll be working on to catch any fuel spillages as you work.
*Make sure the container you use is rated for fuel. Gasoline can melt through some types of plastic.
*Containers rated to hold gasoline will be labeled as such. If your container is not labeled, do not assume it can hold gasoline.
Picture(D)
Remove any fuel lines only if they’re in the way. There will be two fuel lines on the pump (an in and an out). If possible, leave them in place as you open the fuel pump, but if you have to remove one or both to access the internal filter on your specific vehicle, do so by either unscrewing the lines or by loosening the hose clamps that are holding them securely on their nozzles. Once the clamps are loose, just pull the line backward off of the nozzle.
*Make sure any fuel draining from the line falls into the container you slid beneath the car.
*If you have zip ties, you can zip tie the lines with the opening facing up to prevent any more fuel from pouring out. You’ll need to break or cut the zip ties when reconnecting the lines.
Picture(E)
Remove the central screw or nut from the top of the fuel pump housing. There will be a nut or a bolt sticking out of the top of the mechanical fuel pump that holds the cover over the fuel filter. Find it and then use the correct sized wrench to remove it so you can access the filter inside.
*In some pumps, there may be a cylindrical filter housing on the top that you can unscrew by hand, instead of a bolt or nut.
*Others may use pipe clips to hold the cover in place. Loosen the screws securing them or pull them off with pliers, depending on the type of clip.
Picture(F)
Clean the filter with a brush without removing it. Look into the fuel pump to see the filter, which will look like a screen. Don’t try to remove the filter, but instead use a clean paint brush to sweep away any debris blocking the filter. You can dip the paint brush in new gasoline to make it easier for the debris to stick to the bristles of the brush.
*Use a medium sized paint brush to remove large and small bits of debris. The brush should be no wider than the body of the fuel pump.
*Many internal fuel filters for these pumps cannot be removed.
Picture(G)
Reassemble the fuel pump. Put the cover back on the fuel pump and then secure it in place using the bolt or nut you removed before. Reconnect any fuel lines that you disconnected and use hose clamps to make sure they’re tight.
Most hose clamps can be tightened with either a Phillips head screwdriver or a small wrench.
Frequently Asked Questions:
(1.)What is the Mechanical fuel pump function?
Mechanical fuel pumps siphon fuel from the gas tank. It then pushes it to the carburetor when the engine is cranking or running.
(2.)What are the symptoms of a bad mechanical fuel pump?
1.Car Won't Start. There are a host of issues that could prevent a car from starting, but a lack of fuel is one of the first things to check.
2.Sputtering.
3.Car Dies Under Heavy Load.
4.Inconsistent and Unintended Acceleration.
5.Decreased Fuel Efficiency.
6.Increased Engine Temperature.
(3.)How does a car mechanical fuel pump work?
Mechanical fuel pumps use a lever that rides on the camshaft to pump a rubber diaphragm inside the pump up and down. This creates suction that pulls fuel into the pump, and then pushes it along. A pair of one-way valves inside the pump only allow the gas to move in one direction (toward the engine).
| Item Specifics | |
|---|---|
| Type | Mechanical Fuel Pump |
| Drive Type | Mechanical |
| Color | Silver |
| Placement on Vehicle | Engine Compartment |
| Make | Plymouth Dodge Chrysler |
| Inlet and Outlet Size | 5/16" |
| Inlet Type | Hose connection |
| Outlet Type | Threaded |
| Mounting Hole Quantity | 2 |
| Inlet Count | 1 |
| Outlet Count | 1 |
| Interchange Part Number | M60514,SP1004MP,60514 |
| OE/OEM Part Number | 05016928AA,3744805,3744806,3751282,4026253 |
| Condition | New |
| Gasket Included | Yes |
| Package Contents | 1PC Mechanical fuel pump |
| Fuel Type | Gasoline |
| Flow Rate | 25 gph |
| Fitment Type | Direct Replacement |
| Manufacturer Warranty | 3 Years |
| Pressure | 2 psi |
| Brand | Fuel_Kingparts |
| Custom Bundle | No |
| Mounting Hardware Included | No |
| Manufacturer Part Number | KF16359502ING |
We only accept payment through PayPal.
All domestic orders will be shipped via USPS, UPS or Fedex from our US warehouse and usually arrives to your door in about 2-7 business days.
All of our brand new items come with a 60-Days money-back guarantee.
Any question, please contact us by email on working days.
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
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For Dodge Chrysler Plymouth Valiant V8 360 273 318 340 Mechanical Fuel Pump
Mechanical Fuel Pump Replacement Guideline: Step 1:Disconnect the negative battery cable. Step 2:Disconnect the fuel tank hose at the fuel pump and plug the hose with a bolt or wooden dowel to keep any fuel from flowing out. Also, disconnect the vapor-return hose if the vehicle is equipped with one. Be sure to wipe up any gas that spills. Step 3:Carefully examine the old fuel hose; if it is frayed or cracked, replace it with new fuel line hose. Step 4:Disconnect the outlet line to the carburetor. Use a wrench on the fuel pump fitting and another on the line nut. Step 5:Remove the two attaching bolts and extract the old fuel pump. Clean off any old gasket material from the mounting surface of the engine using a shop rag. Step 6:Apply a coat of gasket sealer on both sides of the new gasket. Put the attaching bolts through the new pump and slip the gasket over the bolts. Step 7:Install the new pump on the engine. Make sure that push rod is correctly installed in both the engine and the fuel pump. If the push rod slides out, you can pack it with some heavy grease to hold it in place while you install the pump. Step 8:Attach the fuel outlet line that runs to the carburetor. If it's difficult to connect, remove the other end of the line from the carburetor. Connect the line to the fuel pump, and then reattach the other end to the carburetor. Use a wrench to hold the fuel pump fitting and tighten the line nut with another wrench. Step 9:Attach the fuel inlet hose from the gas tank and the vapor-return hose. Tighten all clamps. Step 10:Reconnect the battery ground cable, start the vehicle, and check for leaks.
Cleaning Mechanical Fuel Pump Filters
Picture(A) Disconnect the negative terminal on the battery. Locate the battery in the vehicle’s engine bay or trunk. It will look like a black box with two posts sticking out of it. Locate the positive (+) and negative (-) terminal posts and use the correct sized wrench to loosen the nut holding the cable to the negative post. Then slide the cable off. *The terminals will be labeled with positive (+) and a negative (-) symbols. *Disconnecting the battery is especially important when working with fuel to ensure nothing within the vehicle can produce a spark. *Tuck the negative cable to the side of the battery to ensure it doesn’t come into contact with the terminal by accident. Picture(B) Locate the fuel pump. Mechanical fuel pumps are usually found on the engine, rather than in the fuel tank, because they rely on the crankshaft to power them. *Most mechanical fuel pumps will have a portion that looks like a metal circle with a nozzle coming out of the top or bottom.
Picture(C) Place a container beneath the vehicle to catch any leaking fuel. Depending on how the fuel pump is mounted, there’s a high likelihood that you’ll spill at least some fuel in this process. Slide a container beneath the vehicle directly under the fuel pump you’ll be working on to catch any fuel spillages as you work. *Make sure the container you use is rated for fuel. Gasoline can melt through some types of plastic. *Containers rated to hold gasoline will be labeled as such. If your container is not labeled, do not assume it can hold gasoline. Picture(D) Remove any fuel lines only if they’re in the way. There will be two fuel lines on the pump (an in and an out). If possible, leave them in place as you open the fuel pump, but if you have to remove one or both to access the internal filter on your specific vehicle, do so by either unscrewing the lines or by loosening the hose clamps that are holding them securely on their nozzles. Once the clamps are loose, just pull the line backward off of the nozzle. *Make sure any fuel draining from the line falls into the container you slid beneath the car. *If you have zip ties, you can zip tie the lines with the opening facing up to prevent any more fuel from pouring out. You’ll need to break or cut the zip ties when reconnecting the lines.
Picture(E) Remove the central screw or nut from the top of the fuel pump housing. There will be a nut or a bolt sticking out of the top of the mechanical fuel pump that holds the cover over the fuel filter. Find it and then use the correct sized wrench to remove it so you can access the filter inside. *In some pumps, there may be a cylindrical filter housing on the top that you can unscrew by hand, instead of a bolt or nut. *Others may use pipe clips to hold the cover in place. Loosen the screws securing them or pull them off with pliers, depending on the type of clip. Picture(F) Clean the filter with a brush without removing it. Look into the fuel pump to see the filter, which will look like a screen. Don’t try to remove the filter, but instead use a clean paint brush to sweep away any debris blocking the filter. You can dip the paint brush in new gasoline to make it easier for the debris to stick to the bristles of the brush. *Use a medium sized paint brush to remove large and small bits of debris. The brush should be no wider than the body of the fuel pump. *Many internal fuel filters for these pumps cannot be removed.
Picture(G) Reassemble the fuel pump. Put the cover back on the fuel pump and then secure it in place using the bolt or nut you removed before. Reconnect any fuel lines that you disconnected and use hose clamps to make sure they’re tight. Most hose clamps can be tightened with either a Phillips head screwdriver or a small wrench.
Frequently Asked Questions: (1.)What is the Mechanical fuel pump function? Mechanical fuel pumps siphon fuel from the gas tank. It then pushes it to the carburetor when the engine is cranking or running.
(2.)What are the symptoms of a bad mechanical fuel pump? 1.Car Won't Start. There are a host of issues that could prevent a car from starting, but a lack of fuel is one of the first things to check. 2.Sputtering. 3.Car Dies Under Heavy Load. 4.Inconsistent and Unintended Acceleration. 5.Decreased Fuel Efficiency. 6.Increased Engine Temperature.
(3.)How does a car mechanical fuel pump work? Mechanical fuel pumps use a lever that rides on the camshaft to pump a rubber diaphragm inside the pump up and down. This creates suction that pulls fuel into the pump, and then pushes it along. A pair of one-way valves inside the pump only allow the gas to move in one direction (toward the engine).
We only accept payment through PayPal. All domestic orders will be shipped via USPS, UPS or Fedex from our US warehouse and usually arrives to your door in about 2-7 business days. All of our brand new items come with a 60-Days money-back guarantee. Any question, please contact us by email on working days. WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. All rights reserved. |
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