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John Deere 3032E, 3036E, 3038E - Service Engine

John Deere 3032E, 3036E, 3038E Tractor - Engine Oil and Filters

Checking Engine Oil Level

Check engine oil when engine is cold. If engine is warm, allow to cool for at least five minutes before checking oil. Check engine oil with machine parked on level surface. Park the machine safely. Dirt and contamination can enter John Deere 3032E, 3036E, 3038E engine when checking oil level. Clean area around dipstick before loosening or removing. Remove dipstick. Wipe with a clean cloth. Install dipstick. Remove dipstick. Check oil level on dipstick. Oil level should be between levels on dipstick. If oil level is low: Remove oil fill cap. Add proper engine oil until oil level is within operating range on dipstick. Do not overfill. Install oil fill cap. If oil is above level on the dipstick, drain to proper level. Install dipstick. Changing Engine Oil and Filter - Run engine to warm the oil. Park machine safely. Place drain pan under oil drain located on left side of engine. Remove drain plug. Wipe dirt from around oil filter. Turn filter counter-clockwise to remove. Put a light coat of clean engine oil on the gasket of new filter. Install replacement oil filter by turning filter clockwise until gasket contacts filter base. Tighten additional one-half turn. Install drain plug. Do not overtighten. Remove oil fill cap. Add engine oil. Install oil fill cap. Start and run JD 3032E, 3036E, 3038E engine at idle to check for leaks. Stop engine. Fix any leaks before operating. Check engine oil level and add oil if necessary.

Servicing Air Filter Element

Park the machine safely. Allow engine to cool. Raise hood. Remove strap. Tilt canister up and release latches and remove air cleaner canister cover. Remove and discard primary element. Clean out any dirt in canister, taking care not to damage the secondary filter element. Replace with a new primary filter element. Install air cleaner canister cover with rubber dust unloading valve pointing downward. Secure latches. Position canister back in place and install strap. Check instruction molded into canister cover for proper installation. Lower hood.

Servicing Secondary Element

Secondary element does not need routine replacement. Visually inspect it without removing from canister. Do not attempt to clean secondary element. If secondary element is replaced, install new primary and secondary element immediately to prevent dust from entering air intake system. Remove air cleaner canister cover. Remove and discard primary air filter element. Remove and discard secondary air filter element. Replace with a new secondary air filter element. Install new primary air filter element. Replace air cleaner canister cover. Position canister back in place and install strap. Lower hood. Checking Air Filter Hose - Park machine safely. Raise hood. Upper air intake flange must be properly installed into shroud adapter on radiator support frame. Tighten hose clamps: JD 3032E Tractor: Locate the lower air intake hose and tighten two hose clamps. JD 3038E Tractor: Locate the two lower air intake hoses, and the tube fitting below muffler, and tighten four hose clamps. Lower hood.

John Deere 3032E, 3036E, 3038E Tractor Cooling System

Built-up pressure may cause explosive release of coolant when the radiator cap is removed: Shut off the engine and allow to cool. Do not remove the cap unless the radiator and the engine are cool enough to touch with bare hands. Slowly loosen the cap to the first stop to release all pressure. Then remove the cap. Checking Coolant Level - Using incorrect coolant mixture can damage the radiator: Do not operate engine with plain water. Do not exceed a 50% mixture of coolant and water. Aluminum engine blocks and radiators require approved ethylene-glycol based antifreeze. If you suspect a leak, check the coolant level by removing the radiator cap and looking inside. Park the vehicle safely. Allow engine to cool. Raise hood. Check recovery tank coolant level: If engine is warm, coolant level should be between the FULL HOT line and the FULL COLD line. If engine is cold, coolant level should be at the FULL COLD line on the recovery tank. Remove recovery tank cap if necessary to add coolant. Add pre-diluted coolant or specified ratio of antifreeze and water. Install recovery tank cap. If no coolant is present, check coolant in radiator first. Lower hood.

Recommended Engine Coolant

The following John Deere coolants are preferred: COOL-GARD PRE-DILUTED SUMMER COOLANT. COOL-GARD CONCENTRATED SUMMER COOLANT. If neither of the recommended coolants is available, use a glycol base coolant that meets the following specification: ASTM D4985 (JDM H24A2). Check container label before using to be sure it has the appropriate specifications for your machine. Use coolant with conditioner or add conditioner to coolant before using. If using concentrate, mix approximately 50 percent antifreeze with 50 percent distilled or deionized water before adding to cooling system. This mixture will provide freeze protection to -37 degrees C (-34 degrees F). Certain geographical areas may require lower temperature protection. Never exceed the maximum dilution rate for the coolant you are using. Exceeding the maximum rate will greatly reduce the coolant effectiveness.

Draining John Deere 3032E, 3036E, 3038E Cooling System

Park machine safely. Allow engine to cool. Raise hood. Slowly open radiator cap to the first stop to release all pressure. Close radiator cap tightly. Position drain pan under radiator. Remove lower radiator hose at radiator. Drain coolant from engine: Model JD 3038E: Locate drain plug at bottom of oil cooler fitting at right side of engine, behind the oil filter. Position drain pan under drain plug, remove drain plug and allow all coolant to drain. Model JD 3032E: Locate drain plug at right side of engine, behind the oil filter. Position drain pan under drain plug, remove drain plug and allow all coolant to drain. After coolant drains from the recovery tank, remove radiator cap. Install drain plug and lower radiator hose. Flush cooling system. Flushing Cooling System - Fill cooling system with recommended fluid. Install and tighten radiator cap. Start and run engine until it reaches operating temperature. Stop engine. Remove lower radiator hose at radiator. Drain cooling system immediately before rust and dirt settle. Replace lower radiator hose at radiator.

Filling John Deere 3032E, 3036E, 3038E Cooling System

Follow the directions on the container for correct mixture ratio. Allow radiator to cool. Raise hood. Fill cooling system. Install and tighten radiator cap. Run engine until it reaches operating temperature. Stop engine. Allow engine to cool. Some coolant may be drawn into the radiator from the recovery tank during cool down. Check recovery tank coolant level: After engine cools, coolant level should be at the FULL COLD line on the recovery tank. If no coolant is present, check radiator coolant level first. Remove cap from recovery tank to add coolant if necessary. Lower hood. Checking Radiator Hoses - Park machine safely. Allow JD 3032E, 3036E, 3038E engine to cool. Raise hood. Check lower radiator hose for damage or cracking. Replace if necessary. Tighten hose clamps as needed. Check upper radiator hose for damage or cracking. Replace if necessary. Tighten hose clamps as needed. Lower hood.

Cleaning Radiator Screen and Fins

Park machine safely. Raise hood. Lift and remove radiator screen off of clips on top of radiator. Clean screen with compressed air, brush or cloth, or screen may be carefully washed to remove dirt and debris. Reduced air intake can cause overheating. Keep radiator cooling fins clean. Do not use pressure washers to clean radiator cooling fins. The force produced by pressure washers will damage the radiator and cooling fins. Reduce compressed air pressure to 210 kPa (30 psi) when cleaning radiator and cooling fins. Spray compressed air straight into radiator. Do not spray radiator on an angle or cooling fins will be bent. Remove all dirt and debris from radiator fins, and fan shroud using compressed air or water. Install radiator screen. Lower hood.

Servicing the Alternator Belt

John Deere 3032E, 3036E, 3038E Tractor - Checking and Adjusting Belt Tension

Park machine safely. Allow engine to cool. Raise hood. Apply moderate thumb pressure to belt halfway between the pulleys. Belt should deflect inward approximately 9 mm (3/8 in.). Adjust belt tension if deflection is more or less than specified. Loosen top adjusting bolt. Loosen nut on lower mounting stud. Apply outward pressure to alternator housing until tension is correct. Tighten hardware. Check belt tension. Lower hood.

Replacing Belt

Replace alternator belt if excessive wear, damage or stretching is detected. Raise hood. Disconnect black negative (-) cable from battery. Loosen top adjusting bolt. Loosen nut on lower mounting stud. Apply inward pressure to alternator housing. Remove belt from alternator sheave, fan sheave and crankshaft sheave. Route defective belt over fan and remove. Install new belt over fan and onto sheaves. Apply outward pressure to alternator housing until tension is correct. Tighten hardware. Check belt tension. Adjust as necessary. Connect black negative (-) cable to battery. Lower hood.

John Deere 3032E, 3036E, 3038E Tractor Fuel System

Cleaning Water Separator Sediment Bowl

Park machine safely. Allow engine to cool. Red ring in bottom of sediment bowl will float on water. If ring is floating, sediment bowl should be cleaned. Check for water and deposits in sediment bowl. Clean sediment bowl and replace fuel filter if necessary. Close fuel shut-off valve. Position drain pan under sediment bowl to catch fuel spillage. Turn locking collar counterclockwise to remove bowl. Remove and retain the plastic ring and spring from sediment bowl. Clean bowl, plastic ring, and spring. Install plastic ring and spring in original position in sediment bowl. Place sediment bowl and locking collar in position. Tighten locking collar to filter head to secure. Open fuel shut-off valve. Fuel system is self bleeding. Turn key switch to ON to bleed fuel system.

Cleaning Fuel Filter Sediment Bowl and Replacing Filter

Park machine safely. Allow engine to cool. Raise hood. Close fuel shut-off valve. Position drain pan under fuel filter sediment bowl to catch fuel spillage. Turn locking collar counterclockwise to remove bowl. Remove and discard the fuel filter. Remove and retain the plastic ring and spring from sediment bowl. Clean bowl, plastic ring, and spring. Install plastic ring and spring in original position in sediment bowl. Install new filter to filter head. Place sediment bowl and locking collar in position. Tighten locking collar to filter head to secure. Open fuel shut-off valve. Lower hood. Turn key switch to ON to bleed fuel system.

Replacing Fuel Filter

Park machine safely. Allow John Deere 3032E, 3036E, 3038E engine to cool. Close fuel shut-off valve. Position drain pan under fuel filter to catch fuel spillage. Turn filter counterclockwise to remove and discard. Apply fuel to surface of new filter gasket. Install new filter to filter head. Tighten to one complete turn after filter contacts head. Open fuel shut-off valve.

John Deere 3032E, 3036E, 3038E Fuel Injection Pump

Do not clean a warm or hot fuel injection pump with steam or water. Clean with compressed air if pump is not cooled. The fuel injection pump is calibrated by the engine manufacturer and should not require any adjustments. If engine is hard to start, lacks power, or runs rough, see Troubleshooting. Fuel Injection Nozzles - Do not service or remove fuel injection nozzles. Service life of injection nozzles may be shortened by overheating, improper operation, poor fuel quality, or excessive idling. If injection nozzles are not working correctly or are dirty, engine will run poorly.