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 RAM1990DAKOTA LE, 2D PICKUP, 3.9 X, 4WD, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEREMOVE, OVERHAUL & INSTALLENGINE CONTROLS - REMOVE/INSTALL/OVERHAULREMOVAL & INSTALLATIONFUEL TANKINSTALLATION
1990 Dodge and Ram Dakota LE, 2D Pickup, 3.9 X, 4WD, Automatic
Fuel Tank: Installation
1990 Dodge and Ram Dakota LE, 2D Pickup, 3.9 X, 4WD, AutomaticSECTION Installation
- Place fuel tank on top of transmission jack. Connect vapor separator rollover valve hose.CAUTION: Be sure vapor vent hose is clipped to tank and is not pinched between tank and floor pan during installation.
- Raise tank into position and carefully work filler tube into tank. Transmission fluid may be used to lubricate tube as an aid in assembly. Install strap bolts and tighten to 40 ft. lbs. (54 N.m).CAUTION: Be sure straps are not twisted or bent before or after tightening strap nuts.
- Remove transmission jack. Connect lines, drain tube cap and wiring connector. Use new hose clamps and tighten to 10 INCH lbs. (1 N.m).
- Install filler tube and tighten filler tube-to-inner and outer quarter panel screws to 17 INCH lbs. (1.9 N.m). On affected models, be sure to install gasket between filler tube and inner quarter panel before installing mounting screws.
- Replace cap on drain tube using new hose clamp. Fill fuel tank and replace filler cap. Connect negative battery cable. Check for proper operation.
- Place fuel tank on top of transmission jack and raise high enough to connect fuel tubes and fuel gauge wire to fuel pump module. Connect fuel tubes and fuel gauge wire to fuel pump module.
- Raise tank into position. Install ground strap (if equipped). Install fuel tank mounting straps. On Ramcharger, connect "J" bolts and tighten nuts to 17 ft. lbs. (23 N.m). On all other models, tighten straps to 35 ft. lbs. (47 N.m). Remove transmission jack.
- Connect vent hoses, filler tube and drain tube cap. Install new hose clamps and tighten securely. Connect fuel line if disconnected earlier. Refill tank and inspect all hoses and lines for leaks. Reconnect negative battery cable. Pressurize system and check for leaks.
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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.