Question about 1998 Dodge Intrepid

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Remove plenum on 1998 Interpid

I'm in stalling a new upper housing for the coolent and one of the bolts is under the plenum. What's the easiest way to tighten the bolt? If I need to loosen the plenum how do I do that? I loosened a couple bolts on the side but it doesn't seem to budge.

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Assuming it is a 2.7 litre, you can get to the rear bolt of the housing with a quarter drive 8 mm wobble socket. If you have to lift the plenum, there are bolts down the center that will need a 10 mm socket. The center cover (if it still has one) just lifts off.

Posted on Apr 20, 2009

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Im trying to change my alternator on my 97 chrysler sebring coupe lxi but it seems impossible to do it without taking other parts off to get it out and also put the new one in because its real compact


Hi there:
Check this procedure on 2.5L (VIN N) Engine...


  1. Disconnect the negative battery cable.
  2. Remove the right side under cover.
  3. Remove the speed control vacuum reservoir and related components as required for alternator access.
  4. Remove the power steering pump cover.
  5. Remove the A/C compressor drive belt.
  6. Remove the alternator/power steering pump drive belt.
  7. Remove the intake manifold plenum.
  8. Remove the upper alternator bracket.
  9. Remove the intake manifold plenum stay.
  10. Detach the electrical connections at the alternator.
  11. Unfasten the upper and lower bolts and remove the alternator. Be very careful not to damage neighboring components while removing the alternator.


8_22_2012_2_51_45_pm.gif

Fig. 8: Alternator assembly installation-2.5L engine (VIN N) - Zoom Image link HERE


To install:

  1. Connect the wiring to the alternator.
  2. Place the alternator on its lower bracket and install the upper and lower bolts finger-tight.
  3. Install the upper alternator bracket.
  4. Install the alternator/power steering pump belt, making sure it is properly seated.
  5. Adjust the drive belt to the correct tension using the belt adjuster, then tighten the upper mounting bolt to 16 ft. lbs. (22 Nm) and the lower mounting bolt to 30 ft. lbs. (41 Nm).
  6. Install the intake manifold plenum.
  7. Install the intake manifold plenum stay.
  8. Install the A/C compressor drive belt.
  9. Install the power steering pump cover.
  10. Connect the negative battery cable.
  11. Check the charging system operation.



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Aug 22, 2012 | Cars & Trucks

1 Answer

1997 vortec 5.7l


on a 97 5.7 liter the regulator is located on the CPI unit under the upper plenum. The upper plenum will need to be removed from the engine in order to gain access to the regulator.

Basically you will remove the metal fuel lines from the top of the engine. Unplug all the connectors. remove the throttle cables, disconnect vacuum lines, unthread EGR pipe, and remove the bolts holding the plenum in place.

Feb 14, 2012 | Cars & Trucks

1 Answer

How do i remove fuel injectors


disconnet power, and connectors to injectors, the remove fuel lines, you may have to remove upper part of intake plenum, remove bolts holdin upper rail to intake an pull carefully to remove most probably the injectors will come out with it, reinstall with new gaskets and lube before installation

Feb 12, 2011 | 1998 Mercury Grand Marquis

1 Answer

Intakegasket for grandam gt


Exactly what is the wrong? Need the part? Need to know torque adjust or porcedure to take off?

For
1994 Pontiac Grand Am 3.1L SFI OHV 6cyl check this procedure for Intake Manifold...
(see Figure 14)
The 3.1L engine is equipped with upper and lower intake manifolds. The upper intake manifold is also known as the intake manifold plenum.

CAUTION The fuel system is under pressure and must be properly relieved before disconnecting the fuel lines. Failure to properly relieve the fuel system pressure can lead to personal injury and component damage.
  1. Relieve the fuel system pressure.
  2. Disconnect the negative battery cable.
  3. Remove top half of the air cleaner assembly and throttle body duct.
  4. Drain and recycle the engine coolant.
  5. Disconnect the EGR pipe from exhaust manifold.
  6. Remove the serpentine belt.
  7. Remove the brake vacuum pipe at the intake plenum.
  8. Disconnect the control cables from the throttle body and intake plenum mounting bracket.
  9. Remove the power steering lines at the alternator bracket.
  10. Remove the alternator.
  11. Label and disconnect the ignition wires from the spark plugs and wire retainers on the intake plenum.
  12. Remove the ignition assembly and the EVAP canister purge solenoid together.
zjlimited_601.jpg

Fig. 14: View of the intake manifold and related components

  1. Disconnect the upper engine wiring harness connectors at the following components:
    Throttle Position Sensor (TPS) Idle Air Control (IAC) Fuel Injectors Coolant temperature sensor Manifold Absolute Pressure (MAP) sensor Camshaft Position (CMP) sensor
  2. Tag and disconnect the vacuum lines from the following components:
    Vacuum modulator Fuel pressure regulator PCV valve
  3. Disconnect the MAP sensor from upper intake manifold.
  4. Remove the upper intake plenum mounting bolts and lift off the plenum.
  5. Disconnect the fuel lines from the fuel rail and bracket.
  6. Install engine support fixture special tool J 28467-A or an equivalent.
  7. Remove the right side engine mount.
  8. Remove the power steering mounting bolts and support the pump out of the way without disconnecting the power steering lines.
  9. Disconnect the coolant inlet pipe from the outlet housing.
  10. Remove the coolant bypass hose from the water pump and the cylinder head.
  11. Disconnect the upper radiator hose at thermostat housing.
  12. Remove the thermostat housing.
  13. Remove both rocker arm covers.
  14. Remove the lower intake manifold bolts. Make sure the washers on the four center bolts are installed in their original locations.
When removing the valve train components they should be kept in order for installation the original locations.
  1. Remove the rocker arm retaining nuts or bolts and extract the rocker arms and pushrods.
  2. Remove the intake manifold from the engine. Remove and discard the gasket.
  3. Using a suitable scraper, clean gasket material from all mating surfaces. Remove all excess RTV sealant from front and rear ridges of cylinder block
To install:
  1. Place a 0.12 inch (3mm) bead of RTV, on each ridge, where the front and rear of the intake manifold contact the block.
  2. Using a new gasket, place the intake manifold on the engine.
  3. Install the pushrods in their original locations. Coat the pushrods with prelube.
The intake pushrods are marked yellow (5 3 /4 inch long) and the exhaust are green (6 inches long). Make sure the pushrods are properly seated in the valve lifters and rocker arms.
  1. Position the rocker arms in there original locations and tighten to specifications. Refer to the procedure earlier in this section.
  2. Install lower the intake manifold attaching bolts. Apply sealant 12345739 (or equivalent thread locking compound) to the threads of bolts. Tighten the vertical bolts first then the diagonal bolts to 115 inch lbs. (13 Nm).
  3. Install the front rocker arm cover.
  4. Install the thermostat housing.
  5. Connect the upper radiator hose to the thermostat housing.
  6. Fasten the coolant inlet pipe to thermostat housing.
  7. Connect coolant bypass pipe at the water pump and cylinder head.
  8. Install the power steering pump in the mounting bracket.
  9. Loosely install the serpentine belt.
  10. Connect the right side engine mount.
  11. Remove the special engine support tool.
  12. Fasten the fuel lines to fuel rail and bracket.
  13. Install the upper intake manifold and tighten the mounting bolts to 18 ft. lbs. (25 Nm).
  14. Install the MAP sensor.
  15. Connect the upper engine wiring harness connectors to the related components removed earlier.
  16. Connect the vacuum lines to the PCV, vacuum modulator and fuel pressure regulator.
  17. Install the EVAP canister purge solenoid and ignition assembly.
  18. Install the alternator assembly.
  19. Connect the power steering line to the alternator bracket.
  20. Install the serpentine belt.
  21. Connect the spark plug wires to the spark plugs and intake plenum wire retainer.
  22. Install the EGR pipe to the exhaust manifold.
  23. Attach the control cables to the throttle body lever and upper intake plenum mounting bracket.
  24. Install air intake assembly and top half of the air cleaner assembly.
  25. Install the brake vacuum pipe.
  26. Fill the cooling system.
  27. Connect the negative battery cable, then start the vehicle and verify that there are no leaks.

For PARTS REPLACEMENT check in THIS LINK: carpartswholesale.com

Hope helps.

Feb 01, 2011 | 1994 Pontiac Grand Am

1 Answer

I can't get the thermostat housing off the engine to replace the thermostat. i've removed the bolts, upper radiator clamp and hose from the elbow going to the housing and it is loose, but it wo'n tcome off...


The thermostat is not under the upper housing. The thermostat is behind the lower housing that the lower hose is connected to.

If you are changing the upper housing known as the water outlet housing because it is leaking you are on the right track. You will need to remove the intake plenum on top of the engine and the upper radiator support. You will then be able to access the bolt on the backside of the engine that bolts the pipe retainer in place and disconnect the hose from the pip. The upper radiator support needs to be removed in order fro there to be enough clearance to pull the whole assembly out.

Jan 26, 2011 | 2003 Dodge Intrepid

2 Answers

Need to replace the rear valve cover gasket. How


Its kinda hidden at the back.. you can take off the upper intake plenum to gain a bit more access.. some people also take off the washer arm housing.. theres a few bolts under the cover that mount it to the firewall

Mar 11, 2010 | 2005 Dodge Grand Caravan

1 Answer

How to remove the blower motor from a 1978 ford bronco full size truck?


Deluxe Hi-Lo Heater
  1. Disconnect the battery cable, remove the carburetor air cleaner and partially drain the coolant system.
  2. Remove the heater hoses from the heater core.
  3. Remove the glove box liner and remove the register duct by pulling from the instrument panel register and releasing the clip at the plenum.
  4. Disconnect the right cowl outside air inlet vacuum hose from the outside/recirculating door vacuum motor.
  5. Remove the rear housing from under the instrument panel. Remove the outside air inlet duct from the rear housing (4 nuts and 1 bolt) and install one upper nut to retain heater housing-to-dash after rear housing is removed.
  6. Remove two screws retaining plenum-to-dash (above transmission tunnel) and two screws to heater housing and remove the plenum.
  7. Install a piece of protective tape on A-pillar inner cowl panel, at lower right corner of instrument panel.
  8. Remove the lower right instrument panel-to-A-pillar bolt to hold the panel in the rearward position.
  9. Remove the heater core (3 screws retaining 2 plates).
  10. Remove the temperature blend door (snaps off).
  11. Remove the temperature blend door arm support (2 screws) and pivot arm retainer (1 screw).
  12. Remove blower motor (2 screws) and remove blower wheel.

To install:
  1. Transfer blower to blower motor and panel assembly.
  2. Install door arm pivot retainer (1 screw) and door arm support (2 screws).
  3. Install the temperature blend door (snaps on).
  4. Install heater core.
  5. Install the plenum (4 screws).
  6. Connect blower wires.
  7. Remove heater housing upper retaining nut and install the heater outlet (4 nuts and 1 bolt). Position the air inlet duct.
  8. Connect the white vacuum hose to the outside/recirculating door vacuum motor.
  9. Reposition the instrument panel, install the retaining bolts and remove the protective tape at the A-pillar inner cowl panel, lower right corner of instrument panel.
  10. Install the right register duct assembly and install the glove box liner.
  11. Connect heater hoses to the heater core assembly.
  12. Fill cooling system, install the air cleaner and connect the battery cable to the battery.
  13. Check blower motor operation.

Jan 19, 2010 | 1981 Ford Bronco

1 Answer

2002 saturn lw300 thermastat.....where is it and what do I have to do to replace it


The thermostat is located at the rear of the engine under the intake plenum -- you first have to drain the coolant then remove the intake plenum -- you may have to lift the engine with a floor jack to allow extension housing to be removed from radiator - remove extension housing bolts and remove extension housing - remove and disgard o ring seals - remove thermostat with housing -remove bolts - tilt the rear of the thermostat housing upwards then lift thermostat out of housing - remove and disgard o ring seal. To reinstall lubricate thermostat extension housing o rings with coolant - torque housing bolts 15lbs - then reinstall pipe and plenum - fill coolant .

Dec 26, 2009 | 2002 Saturn Lw 4dr Wagon

1 Answer

Need to replace heater core


big job, dificulty 8 on a 10 scale Heater Air Plenum Chamber Removal
  1. Remove heater outlet floor duct (18C433) as described.
  1. Remove instrument panel (04320). Refer to Section 01-12 .
Instrument Panel SPECIAL SERVICE TOOL(S) REQUIRED Description Tool Number Radio Removing Tool 415-001 (T87P-19061-A)
Removal and Installation
  1. Disconnect battery ground cable (14301).
  1. Remove RF wheel and tire assembly. Refer to Section 04-04 .
  1. Remove three nuts in radiator coolant recovery reservoir area.
  1. Remove bolt retaining front fender apron (16054) to front fender (16005) .
  1. Position front fender splash shield out of the way.
  1. Lower vehicle.
  1. Tag and remove main harness connector from jumper harness (located in front of blower motor).
  1. Remove steering column. Refer to Section 11-04 .
  1. Remove RH cowl side trim panel (02344) and LH cowl side trim panels (02345) .
  1. Tag and disconnect wiring connectors in LH and RH cowls.
  1. Remove ground wire located on LH cowl side.
  1. Remove RH instrument panel upper moulding (04268) and LHinstrument panel moulding (04389) from instrument panel (04320) by pulling away from instrument panel and snapping out of retainers. Disconnect wiring connectors as required.
  1. Remove glove compartment (06010).
  1. Remove instrument panel upper finish panel (044A90) and disconnect the A/C sunload sensor (19E663) and anti-theft indicator, if equipped.
  1. Disconnect the heater water hoses (18472) from the heater core tubes. Plug the ends of the heater water hoses to prevent coolant loss.
  1. Plug heater core tubes securely to prevent coolant leakage from heater core (18476).
  1. Remove one nut retaining the upper LH corner of the A/C evaporator core housing (19A559) to the dash panel (01610) .
  1. Disconnect two vacuum supply hoses from vacuum source. Push grommet and vacuum supply hose into passenger compartment.
  1. Disconnect wiring harness from A/C electronic blend door actuator.
  1. Disconnect the white vacuum hose from the heater and A/C air inlet duct door vacuum control motor (18A318).
  1. Remove nuts from the studs along the lower flange of the heater air plenum chamber (18471).
  1. Disconnect connectors to A/C electronic blend door actuator and electronic module on side of heater air plenum chamber.
  1. Remove heater air plenum chamber by pulling rearward.


Heater Air Plenum Chamber and Air Inlet Duct

8b51d06.gif



Item Part Number Description 1 19C836 Suction Accumulator/Drier 2 56956-S2 Screw (2 Req'd) 3 386877-S36 Screw 4 45445-S36 Nut and Washer Assy 5 19C928 A/C Recirculating Air Duct Screen 6 386877-S36M Screw (2 Req'd) 7 45332-S12 Nut and Washer 8 19B762 A/C Air Inlet Door Inner Seal 9 19C590 A/C Recirculating Air Duct 10 18471 Heater Air Plenum Chamber 11 18C433 Heater Outlet Floor Duct 12 55734-S2 Nut 13 19A559 A/C Evaporator Core Housing 14 45332-S2 Nut and Washer A — Tighten to 2.5-3.2 Nm (23-28 Lb-In)
Installation
  1. Route the vacuum supply hose through the dash panel and seat the grommet in the opening.
  1. Position the heater air plenum chamber under the instrument panel with the A/C register duct opening up and the heater core tubes down. Connect wire harness connector to A/C electronic blend door actuator and electronic module on side of heater air plenum chamber .
  1. Rotate the heater air plenum chamber up behind the instrument panel and position the heater air plenum chamber to the dash panel. Insert the heater core tubes and mounting studs through their respective holes in the dash panel and the A/C evaporator core housing.
  1. Install three nuts on the studs along the lower flange and one on the upper flange of the heater air plenum chamber.
  1. Install three nuts below the windshield wiper motor (17508) to retain the LH end of the heater air plenum chamber to the dash panel.
  1. Install one nut to retain the upper LH corner of the A/C evaporator core housing to the dash panel .
  1. Connect the white vacuum hose to the heater and A/C air inlet duct door vacuum control motor.
  1. Connect the vacuum jumper harness to the plenum harness at the multiple vacuum connector near the heater outlet floor duct. Install heater outlet floor duct.
  1. Connect the sensor tube to the evaporator case connector on EATC-equipped vehicles.
  1. Connect vacuum supply hose to vacuum supply.
  1. Unplug the heater core tubes and connect the heater water hoses to the heater core tubes.
  1. Fill the cooling system with coolant to replace coolant lost during removal of the heater air plenum chamber.
  1. Install heater outlet floor duct as described.
  1. Install instrument panel. Refer to Section 01-12 .


Section 12-03A: Air Conditioning System—Manual A/C-Heater 1998 Crown Victoria, Grand Marquis Workshop Manual
REMOVAL AND INSTALLATION Heater Core Removal
NOTE: If a heater core leak is suspected, the heater core must be pressure leak tested before it is removed from the vehicle. Refer to Section 12-00 .

  1. Remove the heater air plenum chamber (18471) assembly as described.
  1. Remove the heater dash gasket (18570) from the heater air plenum assembly.
  1. Remove the four retaining screws from the heater core cover (18B300) and remove the heater core cover from the heater air plenum chamber assembly.


Dec 15, 2009 | Mercury Marquis Cars & Trucks

1 Answer

Intake manifold gasket / replace


3.8L Engine

NOTE The 3.8L (VIN K) non-supercharged engine uses a two-piece intake manifold consisting of an upper air plenum which mounts the throttle body and a lower intake manifold assembly which houses the fuel injectors. The 3.8L (VIN 1) supercharged engine uses a similar lower intake manifold. The supercharger serves as the upper manifold.
Lower Manifold

NOTE Two bolts which fasten the lower intake manifold to the cylinder head are accessible only after the upper intake manifold is removed. These bolts are located in the right front and left rear corners of the lower intake manifold. Remove the upper intake manifold to service the lower intake.
The 3.8L (VIN 1) supercharged engine uses a manifold similar to the 3.8L (VIN K), but the supercharger serves as the upper manifold.
  1. Disconnect the negative battery cable.
  2. On 3.8L (VIN 1) engines, remove the supercharger assembly. Please see the procedure in this section.
  3. Remove the upper intake manifold using the procedure above.
  4. Remove the EGR outlet pipe from the intake manifold.
  5. Detach the engine coolant temperature sensor wiring harness from the sensor.
  6. Remove the lower intake manifold bolts and carefully lift off the manifold.

To install:


0900c15280269f1b.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Lower intake manifold bolt torque sequence-3.8L (VIN K) engine
  1. Clean all parts well with degreaser, especially the gasket seal surfaces on the upper and lower manifold pieces and between the lower manifold and the cylinder heads..
  2. Install new gaskets to the cylinder heads and new seals to the engine block. Carefully lower the manifold into place. Apply thread-locking compound to the bolt threads. Make sure to install the two hidden bolts in the lower intake manifold. Hand start all bolts, then torque evenly to 11 ft. lbs. (15 Nm). Follow the toque sequence, starting in the center, then working outwards in a circle.
  3. Install the remaining components in the reverse order of the removal process.

Upper Intake Manifold (Plenum)
  1. Disconnect the negative battery cable.
  2. On 3.8L (VIN 1) engines, remove the supercharger assembly. Please see the procedure in this section.
  3. Tag for identification, then remove the right side spark plug wires.
  4. Disconnect the ignition wires from the fuel rail.
  5. Remove the fuel rail. Please see Section 5.
  6. Remove the cable bracket from the intake manifold.
  7. Remove the throttle body.


NOTE Two bolts which fasten the lower intake manifold to the cylinder head are accessible are accessible only after the upper intake manifold is removed. These bolts are located in the right front and left rear corners of the lower intake manifold.
  1. Remove the upper intake manifold bolts and carefully lift the upper intake manifold from the engine.



0900c15280269f1c.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Upper intake manifold and bolt torque sequence-3.8L (VIN K) engine
To install:
  1. Clean all parts well with degreaser, especially the gasket seal surfaces on the upper and lower manifold pieces.
  2. Install new gaskets to the cylinder heads and new seals to the engine block. Carefully lower the manifold into place. Make sure to install the two hidden bolts in the lower intake manifold. Hand start all bolts, then torque evenly to 89 inch lbs. (10 Nm). Follow the torque sequence, starting in the center, then working outwards in a circle.
  3. Install the remaining components in the reverse order of the removal process.

Sep 11, 2009 | 1999 Buick Regal

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