1999 Buick 3 8 Throttle body to intake torque specs
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Filed Under (Honda) by admin on 17-03-2011
SYMPTOM When the engine is first started after the vehicle has sat overnight, customers may “feel” the release of the throttle plate through the accelerator pedal. Some describe it as a one-time “pop” sensation. Customers may have trouble explaining this phenomenon because: They can’t repeat it because it only happens one time, when the engine is cold. The accelerator pedal works normally at all other times. There are no other symptoms. It may be intermittent, happening only during cooler weather. PROBABLE CAUSE The symptom is caused by normal buildup of contaminants in the throttle bore, combined with expansion and contraction of the throttle body. CORRECTIVE ACTION Partially remove the throttle body, and clean it with Honda carburetor cleaner or throttle plate and induction cleaner. REPAIR PROCEDURE 1. Remove the breather tube from the air intake duct, unclip the vacuum lines from the duct, and remove the duct from the throttle body. See Fig. 1 . Fig. 1: Removing Air Intake Duct 2. Disconnect the TPS and MAP connectors from the throttle body. 3. Remove the throttle cable and, if equipped, the cruise control actuator cable from the throttle body. 4. Remove the throttle body mounting nuts and bolts, then slide the throttle body off its studs on the intake manifold chamber. Leave the coolant hoses connected. See Fig. 2 . 5. Put a shop towel under the throttle body, open the throttle, then clean out any contaminants from the intake manifold side of the throttle body with carburetor cleaner or throttle plate and induction cleaner. See Fig. 3 . NOTE: To avoid damaging the idle air control valve (IACV), spray the cleaner through the back of the throttle body, not the front.
Filed Under (Ford) by admin on 27-01-2011
ISSUE Some 2005-2009 Escape Hybrid and 2006-2009 Mariner Hybrid vehicles may exhibit an intermittent Red Triangle On and Stop Safely Now message displayed on the message center accompanied by a sudden RPM loss/no start symptom with a diagnostic trouble code (DTC) P1A0C. Vehicles may exhibit this symptom on the first start of the morning or after an extended idle. The symptom will clear on the next key cycle. ACTION Follow the Service Procedure steps to correct the condition. SERVICE PROCEDURE For vehicles outside the new vehicle limited warranty, if diagnostics lead to replacing the throttle body you may use this procedure to clean the throttle body as an alternative to replacing it. This procedure is not covered by the new vehicle limited warranty. NOTE THIS CLEANING PROCEDURE CAN ONLY BE USED ON NON-COATED THROTTLE BODIES. Refer to Workshop Manual, Section 303-04C Removal and Installation – Throttle Body. 1. Remove the throttle body. 2. With the throttle body positioned to the side, open the throttle plate. 3. Using Motorcraft® Choke and Linkage Cleaner or equivalent, spray the throttle body plate and bore. 4. Using a suitable (nylon) brush, clean the edges of the throttle plate and the mating surface of the throttle bore to remove all carbon build up. 5. Reapply Motorcraft® Choke and Linkage Cleaner or equivalent and wipe clean with a lint-free cloth. 6. Remove old throttle body gasket and discard. Install a new throttle body gasket. 7. Install the throttle body.
Filed Under (Ford) by admin on 23-04-2010
Torque Specs always torque bolts in three equal increments Lube or Sealer Torque to: Engine Oil 105 ft-lbs. Connecting Rod Bolts Engine Oil 45 ft-lbs. Engine oil 140 ft-lbs. (blind hole) (water jacket) Rocker Arms (non-adjustable) Engine Oil 20 ft-lbs. Engine Oil 25 ft-lbs. Engine Oil 15 ft-lbs. Cam Bolt (upper gear) Thread Locker 45 ft-lbs. Engine Oil 20 ft-lbs. Non- Hardening 30 ft-lbs. Sealer Engine Oil 10 ft-lbs. Flexplate (Automatic) Thread Locker 85 ft-lbs.
Filed Under (Ford) by admin on 11-02-2011
NOTE: The 3.0L throttle body (9E926) and upper intake manifold are combined in one piece. 1. Perform Pre-Service procedures as described in this section. 2. Disconnect electrical connectors to the intake air temperature sensor (IAT sensor) (12A697) and mass air flow sensor (MAF sensor) (12B579). 3. Disconnect air crankcase ventilation hose (6853) from nipple on valve cover (6582). 4. Loosen clamps and remove air cleaner outlet tube (9B659). 5. Using trim removing tool, remove pushpins and accelerator control splash shield (9E766). 6. Disconnect accelerator cable (9A758) from throttle body. Remove three screws and accelerator cable bracket (9723) and position assembled accelerator cable and accelerator cable bracket out of the way. 7. Tag and disconnect connectors of emission control vacuum harness and remove. 4 9J459 5 9A474 8. Disconnect PCV hose from throttle body. PCV Hose EGR Vacuum Regulator Solenoid Intake Manifold Vacuum Outlet Fitting and Cap 9. Disconnect spark plug wires from ignition coil (12029) and position out of the way. 10. Disconnect electrical connections from ignition coil, EGR vacuum regulator solenoid (9J459), EGR transducer (9J433), idle air control valve (IAC valve) (9F715), and throttle position sensor (TP sensor) (9B989). 11. Remove two nuts and ignition coil mounting bracket (12N004). 12. Remove two nuts and ignition coil with assembled bracket, EGR vacuum regulator solenoid and radio ignition interference capacitor (18801).
Filed Under (Ford) by admin on 15-08-2010
Parts List (1) Power Plate (2) Gaskets (1) Linkage Plate (4) 6mm x 50mm Bolts (4) 6mm Flat Washers (1) 6mm x 12mm Flat Head Screw (1) 6mm x 20mm Flat Head Screw (2) 6mm Nuts (1) 6mm x 40mm Bolt (1) 6mm Lock Washer (1) 5/8” Dia. X 7/8” W/ 1/4” Hole Throttle Linkage Spacer 1. DISCONNECT NEGATIVE (-) BATTERY CABLE. 2. Remove air intake assembly. 3. Remove (1) 6mm bolt from throttle linkage bracket and save. (Ref. D) 4. Remove (4) 6mm bolts from throttle body. (Ref. C) 5. Install the power plate using (2) gaskets. (Ref. A) A. Place one gasket between the throttle body and power plate. B. Place second gasket between the power plate and intake manifold. 6. Install (4) 6mm x 50mm bolts and (4) 6mm flat washers. Refer to (Ref. C) 7. Install throttle linkage bracket using (1) 6mm flat head screw and (1) 6mm flat head screw with (1) 6mm nut. 8. Attach throttle cable assembly fitting with saved 6mm bolt. Refer to Step 3 9. Install throttle linkage spacer using (1) 6mm x 40mm bolt, (1) 6mm nut, and (1) 6mm lock washer. (Ref. D) 10. Inspect & Test throttle linkage for full open & closed travel before driving. Some cruise or kickdown cables may require adjustment. Please refer to your vehicles service manual for proper adjustment. 11. Reinstall air cleaner assembly. Refer to Step 2 12. Reconnect battery cable. Enjoy!