Section 458 (Engine - 3.0L 4V): Assembly: Engine
WARNING: This page is about a different car, the 2003 Mercury Sable and 2003 Ford Taurus. However, it is still accessible from the selected car via links, so may be relevant.
- Clean gasket material, dirt and foreign material from the cylinder block. Wash the cylinder block with a suitable soap and water solution, and dry with compressed air.
- If removed, install the crankshaft key into the keyway on the crankshaft.
- Select the crankshaft main bearings for each crankshaft journal.
- Read the code on the crankshaft flange.
- Read the code on the cylinder block rear face.
- The first two numbers after the asterisk make up the code for main No. 1 and the next two numbers for main No. 2.
- The first two numbers after the second asterisk make up the code for main No. 3 and the last two numbers for main No. 4.
- Using the chart, choose a bearing for each main. Match the block and crankshaft code with its corresponding column or row, by reading across the "crankshaft" row and down the "block" column.
- For example: If the block code is *0609*0711* and the crankshaft code is *8580*8082*, main No. 1 should use grade 1 bearings, as determined by the intersection of the 06 block column and the 85 crankshaft row. Mains 2, 3 and 4 should all be grade 2.
- Install the main bearings into the cylinder block.
- Install the main bearings into the lower cylinder block.
- Install the crankshaft thrust bearing.
- If removed, install the crankshaft key.
- Apply engine oil to the crankshaft main and rod bearing journals.
- Apply gasket and sealant to the cylinder block as shown.
- Position the crankshaft in the cylinder block.
- Position the lower cylinder block and install the bolts and studs.
- Tighten the bolts and studs in the sequence shown in four stages.
- Stage 1: Tighten fasteners 1-8 to 25 Nm (18 lb-ft).
- Stage 2: Tighten fasteners 9-16 to 40 Nm (30 lb-ft).
- Stage 3: Tighten fasteners 1-16 90 degrees.
- Stage 4: Tighten fasteners 17-22 to 25 Nm (18 lb-ft).
- Using the special tool, measure crankshaft end play.
- Using the special tools, install the crankshaft rear oil seal.
- Position the flexplate and install the bolts.
- Mount the engine on an engine stand.
- Using the special tools, install the piston and connecting rod assemblies.
- Install the connecting rod caps and bolts.
- Tighten the bolts in two stages.
- Stage 1: Tighten to 23 Nm (17 lb-ft).
- Stage 2: Tighten to 43 Nm (32 lb-ft).
- Fill the oil pump with clean engine oil. Rotate the oil pump one revolution. Drain the engine oil.
- Position the oil pump and install the bolts in the indicated sequence.
- Position the oil pan baffle and install the nuts.
- Tighten the nuts in two stages.
- Stage 1: Tighten to 10 Nm (89 lb-in).
- Stage 2: Tighten 45 degrees.
- Install a new O-ring seal on the oil pump screen and pick-up tube and lubricate with clean engine oil.
- Install the oil pump screen and pick-up tube.
- Position the oil pump screen and pick-up tube.
- Install the bolts.
- Install the nut.
- Tighten the nut in two stages.
- Stage 1: Tighten to 10 Nm (89 lb-in).
- Stage 2: Tighten 45 degrees.
- Position the oil separator and the new gasket. Install the bolts.
- Position the LH and RH cylinder heads and gaskets. Install the bolts.
- Tighten the bolts in the sequence shown in six stages.
- Stage 1: Tighten to 40 Nm (30 lb-ft).
- Stage 2: Tighten to 90 Nm (66 lb-ft).
- Stage 3: Loosen one full turn.
- Stage 4: Tighten to 40 Nm (30 lb-ft).
- Stage 5: Tighten 90 degrees.
- Stage 6: Tighten 90 degrees.
- Install the crankshaft damper bolt and rotate the crankshaft key way to the 11 o'clock position to locate top dead center (TDC).
- Apply clean engine oil to the LH and RH camshaft followers.
- Install the LH and RH camshaft followers.
- Apply engine oil to the LH and RH camshafts.
- Install the LH and RH camshafts.
- Locate the camshafts as shown.
- Position the RH camshaft caps and install the bolts in the sequence shown.
- Position the LH camshaft caps and install the bolts in the sequence shown.
- Verify that the camshaft bearing caps are in the correct locations.
- Install a new press-in-place gasket and install the camshaft oil seal retainer.
- Install a new camshaft oil seal.
- Using the special tools positioned over the oil seal, turn to install the seal.
- Using the special tool, install the water pump drive pulley.
- Remove the crankshaft damper bolt.
- Install the crankshaft sprockets with the timing marks out.
- Position the chain tensioner in a soft jawed vise.
- Hold the chain tensioner ratchet lock mechanism away from the ratchet stem with a small pick.
- Slowly compress the timing chain tensioner.
- Install a paper clip into the hole in the tensioner housing to hold the ratchet assembly and plunger in during installation.
- If the timing marks on the timing chains are not evident, use a permanent type marker to mark the crankshaft and camshaft timing marks on the LH and the RH timing chains.
- Mark any link to use as crankshaft timing mark.
- Starting with the crankshaft timing mark, count 29 links and mark the link as the exhaust cam sprocket timing mark.
- Continue counting to link 42. Mark the link as the intake sprocket timing mark.
- Position the LH timing chain and guide and install the bolts.
- Align the marks on the timing chain with the marks on the camshaft and crankshaft sprockets.
- Install the LH timing chain tensioner and the tensioner arm.
- Install the tensioner arm.
- Position the tensioner.
- Install the bolts.
- Install the crankshaft damper bolt and rotate the crankshaft clockwise 120 degrees until the crankshaft keyway is in the 3 o'clock position.
- Verify that the RH camshafts are correctly positioned.
- Install the RH timing chain and chain guide and install the bolts.
- Align the marks on the timing chain with the marks on the camshaft and crankshaft sprockets.
- Install the RH timing chain tensioner and tensioner arm.
- Install the tensioner arm.
- Position the tensioner.
- Install the bolts.
- Remove the LH and RH timing chain tensioner piston retaining wires.
- Rotate crankshaft counterclockwise 120 degrees to top dead center (TDC).
- Verify the timing with the following steps.
- There should be 12 chain links between the camshaft timing marks.
- There should be 27 chain links between the camshaft and the crankshaft timing marks.
- There should be 30 chain links between the camshaft and the crankshaft timing marks.
- Remove the crankshaft damper bolt.
- Install the ignition pulse wheel.
- Install the LH and RH spark plugs.
- Install the special tool to hold the flexplate.
- Install new gaskets in the front cover.
- Apply a 6 mm (0.24 in) dot of gasket and sealant to the cylinder block to lower cylinder block and cylinder head mating surfaces.
- Position the front cover and install the bolts and studs in the sequence shown.
- Using the special tool, install the crankshaft front oil seal.
- Install the coolant tube, the bolt and the stud.
- Install the oil pressure sensor.
- Install a new seal on the oil level indicator tube and apply clean engine oil.
- Install the oil level indicator tube and install the bolt.
- Apply clean engine oil to the oil filter O-ring and install a new oil filter.
- Apply gasket and sealant to the end of the crankshaft damper keyway slot.
- Using the special tool, install the crankshaft vibration damper.
- Install the crankshaft vibration damper washer and bolt.
- Tighten the bolt in four stages.
- Stage 1: Tighten to 120 Nm (89 lb-ft).
- Stage 2: Loosen one full turn (360 degrees).
- Stage 3: Tighten to 50 Nm (37 lb-ft).
- Stage 4: Tighten to 90 Nm (66 lb-ft).
- Install new gaskets in the valve covers.
- Apply a 8 mm (0.31 in) dot of gasket and sealant at the cylinder block to front cover mating surface of the LH and RH valve covers.
- Position the RH valve cover and install the bolts and studs in the sequence shown.
- Position the LH valve cover and install the bolts and studs in the sequence shown.
- Install the water pump.
- Position the water pump and install the mounting bolts.
- Tighten the bolts in two stages.
- Step 1: Tighten to 10 Nm (89 lb-in).
- Step 2: Tighten an additional 90 degrees.
- Install the heater hose assembly and connect the heater hose to the water pump.
- Install the coolant tube assembly and connect the two hose clamps.
- Connect the heater hose and the water temperature electrical connectors to the coolant crossover tube.
- Rotate the drive belt tensioner clockwise and install the water pump belt.
- Install the water pump drive belt cover and nuts.
- Connect the water pump outlet hose.
- Position the evaporative emissions (EVAP) tube and install the nuts.
- Position the RH exhaust manifold and gasket and install the nuts in the sequence shown.
- Position the LH exhaust manifold and gasket and install the nuts in the sequence shown.
- Position the fuel charging harness and install the nut.
- Install new gaskets in the lower intake manifold.
- Position the lower intake manifold and install the bolts in the sequence shown.
- Connect the fuel injector electrical connectors.
- Install the ignition coil, the stud and the nuts.
- Install the ground strap and the nut to the ignition coil stud.
- Connect the LH and RH spark plug wires.
- Connect the LH HO2S electrical connector.
- Position the knock sensor (KS) and install the bolt.
- Connect the RH radio ignition interference capacitor, ignition coil electrical connector and HO2S electrical connectors. Clip the HO2S connectors into place.
- Install new gaskets in the upper intake manifold, if required.
- Position the upper intake manifold and install the bolts in the sequence shown.
- Connect the exhaust gas recirculation (EGR) vacuum regulator solenoid electrical connector.
- Connect the positive crankcase ventilation (PCV) and evaporative (EVAP) emissions hoses from the upper intake manifold.
- Connect the throttle position (TP) sensor and idle air control (IAC) valve electrical connectors.
- Connect the exhaust gas recirculation (EGR) tube to the exhaust manifold.
- Connect the differential pressure feedback EGR system electrical connector.
- Install the crankshaft position (CKP) sensor.
- Install the sensor.
- Install the bolt.
- Connect the electrical connector and clip into place.
- Install the crankshaft pulley.
- Remove the special tool.
- Connect the oil pressure sensor.
- Connect the harness to the front LH valve cover studs.
- Connect the camshaft position (CMP) sensor electrical connector.
- Position the A/C compressor bracket and install the bolts.
- Tighten the bolts in two stages.
- Stage 1: Tighten bolts 1 through 5 to 25 Nm (18 lb-ft).
- Stage 2: Tighten bolts 1 through 4 an additional 90 degrees.
- Position the A/C compressor and install the bolts.
- Connect the A/C compressor.
- Connect the compressor electrical connector.
- Connect the pressure sensor electrical connector.
- Connect the harness to the bracket.
- Position the power steering pump and install the bolts.
- Install the generator.
- Position the generator.
- Install the studs.
- Install the bolt.
- Connect the electrical connector.
- Install the accessory drive belt.
- Remove the engine from the stand.
WARNING:
Eye protection is required to be worn during the use of compressed air. Failure to wear eye protection could result in possible personal injury.
NOTE:
This procedure is for selecting bearings using a new crankshaft.
CAUTION:
The lower cylinder block must be installed and the bolts tightened within four minutes of applying the sealant.
NOTE:
Clean and degrease both surfaces using metal surface cleaner before applying sealant.
CAUTION:
Fasteners No. 1, 5, 6, 7, 8 are studs. Fasteners No. 18-22 are M8 x 1.25 mm x 79.3 mm (0.05 in x 3.12 in) bolts. Fasteners No. 2-4, 17 are M8 x 1.25 mm x 95.3 mm (0.05 in x 3.75 in) bolts. Fasteners. 9-16 are M10 x 1.5 mm x 106 mm (0.06 in x 4.17 in) bolts. The bolts and studs must be installed in the correct position or engine damage can result.
CAUTION:
Be sure not to scratch the cylinder wall or crankshaft journal with the connecting rod. Push the piston down until the connecting rod bearing seats on the crankshaft journal.
NOTE:
Lubricate the pistons, piston rings, connecting rod bearings and the entire cylinder bores with clean engine oil.
NOTE:
After installation of each piston and connecting rod, rotate the crankshaft to verify smooth operation.
NOTE:
RH shown, LH similar.
NOTE:
RH shown, LH similar.
CAUTION:
The camshaft bearing caps are positional and must be installed in their original locations and orientations or engine damage can occur.
NOTE:
Clean and degrease the sealing surfaces with metal surface cleaner.
NOTE:
Lubricate the camshaft oil seal with clean engine oil.
CAUTION:
The OEM pulley is pressed on 4.74 mm (0.18 in) past flush of the end of the camshaft. The service pulley gets pressed on flush to the end of the camshaft.
NOTE:
LH shown, RH similar.
NOTE:
LH shown, RH similar.
CAUTION:
During tensioner compression, do not release the ratchet stem until the tensioner piston is fully bottomed in its bore or damage to the ratchet stem will result.
CAUTION:
The pulse wheel is used in several different engines. Install the pulse wheel with the keyway in the slot stamped 30 or 30RFF only.
NOTE:
Clean and degrease the sealing surfaces with metal surface cleaner before applying gaskets and sealant.
NOTE:
The front cover must be installed and the bolts tightened within four minutes of sealant application.
NOTE:
Fasteners No. 1 and 6 are studs.
NOTE:
Clean all sealing surfaces with metal surface cleaner.
NOTE:
Lubricate the front crankshaft seal before installation.
NOTE:
Inspect and replace the O-rings as needed.
NOTE:
Apply clean engine oil to aid in installing.
NOTE:
Clean the keyway and slot using metal surface cleaner before applying gasket sealer.
NOTE:
The crankshaft damper must be installed and the bolt tightened within four minutes of sealant application.
NOTE:
Clean the valve cover sealing area using metal surface cleaner before installing a new gasket.
NOTE:
Clean the cylinder head and front cover surface using metal surface cleaner before applying silicone gasket and sealant.
NOTE:
The valve cover must be installed and the bolts and studs tightened within four minutes of sealant application.
NOTE:
LH shown, RH similar.
NOTE:
Fasteners No. 2,3 and 5,9 are studs.
NOTE:
Fasteners No.1, 3, 5-8, and 11 are studs.
NOTE:
Clean and inspect the sealing surfaces before installing the gaskets.
NOTE:
LH shown, RH similar.
NOTE:
Apply a film of caliper grease and dielectric compound to the interior of the spark plug boot prior to installation.
NOTE:
The pulley has LH threads.
NOTE:
For out of vehicle repair the transaxle must be installed before the oil pan.