1999 grand marquis misfire cylinder 7
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Filed Under (Toyota) by admin on 05-08-2010
1. Install cylinder head. A. Place cylinder head on cylinder block. (a) Place a new cylinder head gasket on the cylinder block. CAUTION: Be careful of the installation direction. (b) Place the cylinder head on the cylinder head gasket. B. Install cylinder head bolts. NOTE: The cylinder head bolts are tightened in 2 progressive steps (steps (b) and (d)). If any cylinder head bolt is broken or deformed, replace it. (a) Apply a light coat of engine oil on the threads and under the heads of the cylinder head bolts. Cylinder Head Installation Install and uniformly tighten the 10 cylinder head bolts and plate washers in several passes, in the sequence shown. Torque: 49 Nm (36 ft. lbs.) If any one of the cylinder head bolts does not meet the torque specification, replace the cylinder head bolt. (c) Mark the front of the cylinder head bolt head with paint. (d) Retighten the cylinder head bolts 90° in the numerical order shown. (e) Check that the painted mark is now at a 90° angle to the front. Install the 2 bolts holding the water bypass pipe to the cylinder head. Torque to 19 Nm (14 ft. lbs.) (g) Connect the camshaft position sensor connector. 2. Install spark plug tubes. (a) Clean the cylinder head tube holes of any residual adhesive, oil or foreign particles. Remove any oil with kerosene or gasoline. (b) Screw the threads of the spark plug tube coated with adhesive into the cylinder head.
Filed Under (Jeep) by admin on 03-10-2010
may experience an incident of engine misfire during certain vehicle operating conditions. The misfire may occur when the vehicle is operated between 80 – 112 KPH (50 – 70 MPH) and under light loading conditions, e.g. slight uphill road grades. This condition may occur at all ambient conditions, but is more noticeable when ambient conditions are less than 0°C (32°F). If the vehicle is equipped with On-Board Diagnostic (OBD), a MIL illumination may also have occurred due to Diagnostic Trouble Code (DTC) P0300 – Multiple Cylinder Misfire. Various single cylinder misfire DTC’s may also be present. If the frequency of misfire is high the Powertrain Control Module (PCM) may place the engine in “Limp-In” mode. The misfire condition may be caused by one or more engine exhaust valves that are slow to close. Late closure of an exhaust valve may be the result of no valve rotation and associated build up of carbon on the exhaust valve stem. This condition may occur when the engine is not allowed to run at engine RPM’s that are greater than 3,200 RPM. At 3,200 RPM or higher the engine exhaust valves will rotate if not impeded by high carbon deposits. Low engine RPM’s and high carbon deposits are associated with short trip driving where the vehicle engine is not allowed to fully warm to normal engine operating temperatures. Cold ambient temperatures will increase engine warm-up time and add to the opportunity of carbon deposit build-up on the stem of the engine exhaust valve. Verify that an engine misfire condition is present. Use of the DRBIII(R) during a road test, or a Co-Pilot data recording, may help to determine engine misfire and misfire counts. If carbon deposit accumulation is severe, then a cylinder leak down test may detect one or more cylinders leaking greater than 15%. Save any misfire DTC Freeze Frame Data that was stored for later misfire correction verification. Verify that the engine misfire condition is not caused by faulty engine mechanical or electrical components. If the engine mechanical and electrical systems are operating properly perform
Filed Under (Ford) by admin on 15-08-2010
Air suspension switch in trunk area must be turned o . On 1991-94 vehicles, locate the control module for the air suspension in the trunk area on either the back of rear seat or behind the trim panel on the right rear side of the trunk. On 1995-97 vehicles the control module is located under the right side of dash panel. There are 2 connectors for all model years, 1 black and 1 gray. On the 98-06 leave the solenoid connected. Disconnect the black connector and remove or cut the wire to pin #11 as shown. This will turn o the “AIR SUSP” message on the dashboard. The color code for this wire should be as follows: LINCOLN TOWN CAR: dark green/light green CROWN VICTORIA: green MERCURY GRAND MARQUIS: green Reconnect the black connector to the control module. This connector must be reconnected as the control module also controls functions of the “EVO” steering system. Turn Suspension Switch ON. NOTE: The parts in this kit are designed to replace the worn or nonfunctioning original equipment parts in the vehicle as produced by the car factory. These parts are not designed for installation on vehicles where the suspension aand/or steering systems have been modified for racing, competition, or any other reason than originally designed by manufacturer.
Filed Under (Ford) by admin on 08-03-2011
Removal CAUTION: Remove the entire clutch hydraulic system from the vehicle as an assembly when installing a new clutch master cylinder assembly (7C522). 1. Disconnect the clutch hydraulic tube from the dash clip. 2. Raise and support the vehicle. For additional information, refer to Section 100-02. 3. Unlock and remove the slave cylinder (7A564) from the transmission. Compress and twist the slave cylinder to unlock it from the transmission. 4. Disconnect the clutch hydraulic tube from the floor pan clip. Position the slave cylinder and hydraulic tube forward below the left engine bank. This will make it easier to unlock the clutch master cylinder from the clutch pedal and support bracket (7B633) by reducing tension on the hydraulic tube. 5. Lower the vehicle. 6. WARNING: The clutch pedal is under spring tension. Unlock the push rod bushing retaining clips and separate the clutch master cylinder push rod from the clutch pedal. 7. Remove and discard the push rod bushing (7526). 8. Remove the switch cover, and remove the clutch pedal position switch (7C534) from the clutch master cylinder push rod. 9. Separate the power distribution box from the bracket to gain access to the clutch master cylinder. 10. Unlock and remove the clutch master cylinder from the clutch pedal and support bracket. Compress and twist the clutch master cylinder clockwise 45 degrees to unlock it from the clutch pedal and support bracket. 11. Remove the clutch hydraulic reservoir from the wiring tray and separate the clutch hydraulic tube from the brake master cylinder assembly. Position the clutch hydraulic reservoir aside. 12. CAUTION: Brake fluid is harmful to painted and plastic surfaces. If brake fluid is spilled onto a painted or plastic surface, wash the surface with water immediately. Remove the clutch hydraulic system from the vehicle. 13. Clean the clutch hydraulic system components to prevent contaminants from entering the hydraulic system. 14. CAUTION: Place a suitable container under the clutch master cylinder. Disconnect the hydraulic tube from the clutch master cylinder. 1. Using a 3/32-inch punch and a hammer, drive out the roll pin, and discard it. 2. Disconnect the hydraulic tube from the clutch master cylinder.
Filed Under (Hyundai) by admin on 04-05-2011
1. 2. 3. 4. 5. Drain the coolant and disconnect the upper radiator hose. Remove the breather hose (between the air cleaner and the rocker cover). Remove the air-intake hose. Remove the vacuum hose, fuel hose and coolant hose. Remove the cables from the spark plugs. The cables should be removed by holding the boot portion. Remove the ignition coil. Remove the surge tank. Remove the intake manifold. Remove the heat protector and exhaust manifold assembly Remove the coolant pump pulley and the crankshaft pulley. Remove the timing belt cover. 6. 7. 8. 9. 10. 11. Zoom Sized for Print 12. Move the timing belt tensioner pulley toward the coolant pump and temporarily secure it. 13. Remove the timing belt. 14. Remove the rocker cover. 15. Remove the cylinder head assembly. The cylinder head bolts should be removed using Special Tool, Cylinder Head Bolt Wrench (09221-21000), in the sequence as shown in the illustration. 16. Remove the gasket pieces from the cylinder block top surface and cylinder head bottom surface. NOTE: 1. Make sure that the gasket pieces do not fall in to the engine. INSPECTION 1. Check the cylinder head for cracks, damage and coolant leakage. 2. Remove scale, sealing compound and carbon deposits completely. After cleaning oil passages, apply compressed air to make certain that the passages are not clogged. 3. Check the cylinder head surface for flatness using a straight edge in the direction of A, B, …as shown. If flatness exceeds service limit in any direction, replace the cylinder head, or lightly machine the cylinder head surface. Cylinder head flatness Standard value: Less than 0.03 mm (0.0012 inch) Limit: 0.08 mm (0.0031 inch) REASSEMBLY 1. Clean all gasket surfaces of the cylinder block and the cylinder head. 2. Install a new cylinder head gasket onto the cylinder head assembly. Do not apply sealant to the gasket and do not reuse the old cylinder head gasket.