Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSDODGE AND RAM1983400 L4-156 2.6LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTFUEL DELIVERY AND AIR INDUCTIONFUEL PUMPSERVICE AND REPAIR
1983 Dodge and Ram 400 L4-156 2.6L
Fuel Pump: Service and Repair
1983 Dodge and Ram 400 L4-156 2.6LSECTION Service and Repair
REMOVAL
1. Place the piston in the No. 1 cylinder at top dead center on the compression stroke When the piston is placed in this position, the lift of the fuel pump drive eccentric cam will be reduced to minimum and the fuel pump will be easier to remove.
2. Disconnect the fuel hoses from fuel pump.
3. Remove the fuel pump mounting nuts and remove the fuel pump assembly.
4. Remove the insulator and gaskets.
INSPECTION
Check for the following items. Any part that is defective should be replaced.
1. Check for wear of the rocker arm end where the camshaft eccentric cam was rotating.
2. Move the rocker arm to check for spring deterioration.
3. Check the pump body and the cover for crack and damage.
Installation
Reverse of removal procedure.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.