2004 nissan frontier service manual




















Step-by-step factory recommended repair instructions. Unlimited access to personal support reps who are always available to assist you. We can answer your questions about using the software or help you find the specific information you need for your Nissan Frontier. Free real-time updates! Your manual is updated with revised information as soon as it is released. Access on your terms. Unlimited access to your Nissan Frontier manual on a yearly basis.

We'll get you the repair information you need, every time, or we'll refund your purchase in full. Can I see what the manual looks like? See our guarantee below. You are protected in case the manual turns out to not be what you need. Current self-diagnostic results and all trouble diagnostic records previously stored can be read. Use of another battery may present a risk of fire or explosion. The battery may present a fire or chemical burn hazard if mistreated.

Do not recharge, disassemble or dispose of in fire. Keep the battery out of reach of children and discard used battery conforming to the local regulations. Power supply and ground circuit for the control unit of the system For detailed circuit, refer to wiring diagram for each system.

Always use safety stands to support the frame when you have to get under the vehicle. When setting the lift arm, do not allow the arm to contact the brake tubes, brake cable, or fuel lines. Towing is in accordance with Towing Procedure Manual at dealer.

If any unit is damaged, dollies must be used. On automatic transmission models, to move the selector lever to N neutral position, turn the ignition key to OFF position and secure the steering wheel in a straight ahead position with a rope or similar device.

Never place the ignition key in the LOCK position. This will result in damage to the steering lock mechanism. Observe the following restricted towing speeds and distances. Speed Distance.

To avoid damaging the vehicle body, use proper towing equipment when towing. Tow chains or cables must be attached only to the main structural members of the vehicle. Pulling devices should be routed so they do not touch any part of the suspension, steering, brake or cooling systems Always pull the cable straight out from the front or rear of the vehicle. Never pull the vehicle at a sideways angle. Pulling devices such as ropes or canvas straps are not recommended for use for vehicle towing or recovery.

Special parts are excluded. This standard is applicable to bolts having the following marks embossed on the bolt head. Refer to the following chart for help in selecting the appropriate chemical product or sealant. Product Description. For metal-to-metal flange sealing. Can fill a 0. Provides instant sealing on any threaded straight or parallel threaded fitting.

Thread sealant only, no locking ability. Do not use on plastic. All emission related terms used in this publication in accordance with SAE J are listed. This system may include seat belt switch inputs and dual stage front air bag modules. If equipped with dual stage front air bag modules, the SRS system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.

The vehicle may be equipped with a passenger air bag deactivation switch. Because no rear seat exists where a rear-facing child restraint can be placed, the switch is designed to turn off the passenger air bag so that a rear-facing child restraint can be used in the front passenger seat.

The switch is located in the center of the instrument panel, near the ashtray. When the switch is turned to the ON position, the passenger air bag is enabled and could inflate for certain types of collision. When the switch is turned to the OFF position, the passenger air bag is disabled and will not inflate. The driver air bag always remains enabled and is not affected by the passenger air bag deactivation switch.

When the passenger air bag is switched OFF, the passenger air bag is disabled and will not inflate. When the passenger air bag is switched ON, the passenger air bag is enabled and could inflate for certain types of collision.

After SRS maintenance or repair, make sure the passenger air bag deactivation switch is in the same position ON or OFF as when the vehicle arrived for service.

Use an angle wrench for the final tightening of the following engine parts: Cylinder head bolts Connecting rod cap nuts Do not use a torque value for final tightening. The torque value for these parts are for a preliminary step. Ensure thread and seat surfaces are clean and coated with engine oil. To advance the cutter, use a plastic hammer 2 to slide the cutter along the joint. CAUTION: If for some unavoidable reason a tool such as a flat-bladed screwdriver is used, be careful not to damage the mating surfaces.

Using a scraper, remove the old liquid gasket adhering to the gasket application surface and the mating surface. Thoroughly clean the gasket application surface and the mating surface and remove adhering moisture, grease and foreign materials. Attach the sealant tube to the tube presser. Apply the sealant without breaks to the specified location with the specified dimensions.

If specified, it should be applied outside the holes. Make sure to read the text of this manual. The actual shapes of Kent-Moore tools may differ from those of the special service tools illustrated here. Installing valve oil seal a: 25 0.

Installing front oil seal a: 52 mm 2. Installing rear oil seal a: 46 mm 1. Locate the area where noise occurs. Confirm the type of noise. Specify the operating condition of the engine. Check the specified noise source. If necessary, repair or replace these parts. Operating condition of engine Location of noise Top of engine Rocker cover Cylinder head.

Piston ring side clearance Piston ring end gap Connecting rod bend and torsion Piston-to-bore clearance. Remove the engine under cover. Drain the engine oil. Remove the front suspension member. Remove the oil pan bolts in the numerical order as shown. Remove the oil pan using Tool as shown. Insert Tool between the cylinder block and oil pan, and separate the oil pan from the engine block by tapping 1 with a plastic hammer as shown.

Be careful not to damage the aluminum mating surface. Do not insert a screwdriver, which may damage the oil pan flange. Slide the Tool by tapping on the side 2 of the Tool with a plastic hammer as shown. Use a scraper to remove the old liquid gasket from the mating surface of the oil pan.

Apply a continuous bead of liquid gasket to the mating surface of the oil pan. Be sure the bead of liquid gasket has a diameter of 3. Installation must be done within 5 minutes after applying the liquid gasket.

Install the oil pan. Oil pan bolts. Remove the air cleaner assembly. Remove the spark plug wires. Set No. Remove the vacuum hoses, electrical harness connectors, and harness clamps.

Remove the power steering belt. Remove the power steering pump and position it to one side. Remove the idler pulley and bracket. Remove the rocker cover, loosen and remove the rocker cover bolts in the numerical order as shown. Wipe off the links of the timing chain next to the timing marks on the sprockets.

Put paint marks on the timing chain, matching them with the timing marks on the cam sprockets and idler sprocket. If not removing the lower cover, support lower timing chain using a suitable tool to prevent the chain tensioner spring from coming out. NOTE: This step is only to be applied when the lower cover is not being removed.

Remove the idler sprocket. Drain the coolant by removing the cylinder block drain plug and opening the radiator drain cock. Remove the intake air duct. Set the No. Remove the distributor. Remove the crankshaft bolt. Tool number. Remove the oil pan. Remove the oil pump, distributor drive shaft, and the oil pickup strainer. Remove the front cover. Remove the following parts. Put paint marks on the timing chain, matching them with the timing marks on the crankshaft sprocket and idler sprocket.

Install crankshaft sprocket. Make sure that the mating marks of crankshaft sprocket face the front of the engine. Install the idler sprocket and lower timing chain using the mating marks and the paint marks made during the removal process.

Install the lower chain tensioner and remove the pin securing the piston in the tensioner body. Install the front cover and oil seal. Install a new front oil seal using a suitable tool. Install oil strainer and oil pan. Install the oil pump and distributor drive shaft. Failure to do so will result in the distributor being out of time. Install the crankshaft pulley and crankshaft pulley bolt. Install the rear plate.

Install the radiator shroud and cooling fan with coupling. Install the intake air duct. Install the lower timing chain and idler sprocket. Install the upper timing chain and sprockets, aligning the paint marks made during removal as shown. Install the chain tensioner. Remove the pin holding the tensioner piston in the bore of the tensioner.

Do not let the upper timing chain slip or jump on the sprockets when installing the camshaft sprocket cover. Install the rocker cover gasket on the rocker cover. Tighten the bolts in the numerical order as shown. Rocker cover bolts. Remove the rocker cover. Remove the camshaft. Remove valve spring and valve oil seal with Tool or a suitable tool. Apply engine oil to new valve oil seal and install it with Tool.

Remove radiator shroud. Remove the rear oil seal retainer. Remove the rear oil seal from the retainer. Before installing rear oil seal retainer, remove all traces of liquid gasket from mating surface using a scraper as shown. Also remove all traces of the old liquid gasket from the mating surface of the cylinder block.

Apply a continuous bead of liquid gasket to mating surface of rear oil seal retainer. Warm up the engine. Turn the ignition switch OFF. Release the fuel pressure. Remove all of the spark plugs.

Disconnect the camshaft position sensor harness connector at the distributor. Remove the fuel injector fuse No. Attach a compression tester to the No. Depress the accelerator pedal fully to keep the throttle valve wide open. Crank the engine and record the highest gauge indication. Repeat the measurement on each cylinder. Compression Standard Minimum Difference limit between cylinders. If the compression in one or more cylinders is low: a.

Pour a small amount of engine oil into the cylinders through the spark plug hole. Retest the compression. If so, replace piston rings after checking piston. Inspect and repair valve and valve seat.

If valve or valve seat is damaged excessively, replace it. If so, replace cylinder head gasket. Reinstall the spark plugs, fuel injector fuse, fuel pump fuse, and reconnect camshaft position sensor harness connector at the distributor. When installing camshafts, chain tensioners, oil seals, or other sliding parts, lubricate contacting surfaces with new engine oil. Apply new engine oil to threads and seat surfaces when installing cylinder head, camshaft sprocket, crankshaft pulley, and camshaft bracket.

Attach tags to valve lifters so as not to mix them up. Before removing camshaft and idler sprockets, apply paint marks to them for re-timing.

Remove upper timing chain and idler sprocket. Remove camshaft brackets and camshafts. Remove the bolts in the reverse order as shown. Remove the cylinder head bolts in numerical order as shown. Remove the intake manifold and exhaust manifold. Remove the valve components using Tool as shown. Valve spring compressor. Use a reliable straightedge and feeler gauge to check the flatness of cylinder head surface. Check the cylinder head sealing surface flatness along the six positions as shown.

Resurface the cylinder head as necessary to specification. Maximum limit. If resistance is felt, the cylinder head must be replaced. Nominal cylinder head height. Runout total indicator reading Standard : less than 0. Measure camshaft cam height. Standard cam height Intake : Maybe you need the manual to fix the brakes on your Frontier, or possibly replace some worn out suspension components. Or you might need to get your engine running, or just do the required standard maintenance.

Whatever the case may be, this repair manual software for the Nissan Frontier is just what you need. You will have all the service information you could ever need for your vehicle. It will help you fix the brakes, engine, suspension, steering, drivetrain, electrical problems, heat, air conditioning, etc. Anything can be fixed! You can save a lot of money by working on your own vehicle.



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