Question about 1996 Nissan 200SX

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New manifold hi im changing a manifold on my 200sx s14. there's a pipe that goes from the exhaust manifold to the inlet manifold, can i blank it off completely or will it do any damage?

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  • brizzle28 Aug 23, 2008

    i'm replacing the exhaust manifold. the new exhaust manifold doesn't have the hole for the pipe (which goes from the inlet to the outlet) so don't know what to do! thanks

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Hi I would just break the tube off, I'm trying to picture the tube, you said it goes exhaust to intake manifolds, its attached from one to the other? To me for what to said about the tube that its some kind of emission device almost like how a turbo works. so I would just disconnect the tube. Which manifold are you replacing? Hope this helps

cheers

Posted on Aug 23, 2008

  • Rob Cobb
    Rob Cobb Aug 23, 2008

    Hi sorry about the last thread I had to set oyt and I just read what I sent I mean to say don't break it off. Hope you have not done it yet.

  • Rob Cobb
    Rob Cobb Aug 23, 2008

    What size eng do you have? And did the store give you the right manifold? Let me think about this. so for now just keep that tube attached.



    Cheers

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1 Answer

Location of thermostat on 2002 olds alero 2.2


Thermostat Removal & Installation 2.2L Engine To Remove:
  1. Remove the exhaust manifold. If equipped with an automatic transmission.
  2. Drain the cooling system.
  3. Remove or disconnect the following: chevy_cav_02-04_tstat.gif

    • Thermostat housing to water pump feed pipe bolts. chevy_cav_02-04_feedpipe.gif

    • Thermostat housing to water pump feed pipe.
    • Thermostat.
To Install:
  1. Install or connect the following:
    • Thermostat.
    • Thermostat housing to water pump feed pipe.
    • Thermostat housing to water pump feed pipe bolt.
      1. Tighten bolt to 89 in lbs (10 Nm).
    • Exhaust manifold if equipped with an automatic transmission.
  2. Fill the cooling system.
2.4L Engine To Remove:
Thermostat assembly 2.4L 87953024.gif

  1. Drain the cooling system.
  2. Remove the exhaust manifold heat shield.
  3. Remove the coolant inlet housing mounting bolts through the exhaust manifold.
  4. Raise and safely support the vehicle.
  5. Remove the coolant inlet housing stud from the oil pan.
  6. Remove wheel and tire assembly.
  7. Remove the engine splash shield.
  8. Remove the mounting bolts from the transaxle-to-engine block support. Remove the support.
  9. Remove the coolant housing pipe.
  10. Remove the thermostat.
  11. Clean the mating surfaces.
To Install:
  1. Install the thermostat.
  2. Install the coolant housing pipe.
  3. Install and secure the transaxle support-to-engine block mounting bolts.
  4. Install the engine splash shield.
  5. Install the wheel and tire assembly.
  6. Install the coolant inlet housing stud to the oil pan.
    • Tighten to 19 ft lb (26 Nm).
  7. Lower the vehicle.
  8. Install the coolant inlet housing bolts through the exhaust manifold.
    • Tighten the coolant inlet housing bolts to 10 ft lb (14 Nm).
  9. Install the exhaust manifold heat shield.
  10. Fill the cooling system.
  11. Inspect the system for leaks.
3.4L Engine To Remove:
  1. Drain the cooling system.
  2. Remove the air cleaner.
  3. Remove exhaust crossover pipe.
  4. Disconnect the surge tank line fitting from the coolant outlet.
  5. Remove the thermostat housing to intake manifold bolts.
  6. Remove the thermostat housing outlet and thermostat.
To Install:
  1. Install the thermostat and housing outlet.
  2. Install the thermostat housing bolts.
    • Tighten the thermostat housing bolts to 18 ft lb (25 Nm).
  3. Install exhaust crossover pipe.
  4. Connect the surge tank line fitting to the coolant outlet.
    • Tighten the fittings to 15 ft lb (21 Nm).
  5. Install the air cleaner.
  6. Fill the cooling system.
  7. Inspect the system for leaks
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Oct 14, 2010 | Oldsmobile Alero Cars & Trucks

1 Answer

I cant find where the thermostat goes to replace it on a 2.4L engine. For a buick skylark


Very odd arrangement. You have to reach thru the exhaust manifold. I will paste instructions from Autozone.com below.

  1. Disconnect the negative battery cable.
  2. Properly drain and recover the coolant to a level below the thermostat.
  3. Unfasten the coolant inlet housing bolt, which is accessible through the exhaust manifold.

d8f2a03.jpg

Fig. Fig. 5: View of the thermostat and related components-2.4L engine

  1. Raise and safely support the vehicle.
  2. Remove the radiator outlet pipe stud.
  3. Remove the second coolant inlet housing bolt, then remove the coolant inlet housing.
  4. Remove the thermostat, then clean the old gasket material from the mating surfaces.

To install:
  1. Position the thermostat in its correct location, then install the coolant inlet housing using a new gasket. Tighten the retaining bolt to 19 ft. lbs. (26 Nm) on the 2.3L and 10 ft. lbs. (14 Nm) on the 2.4L engine.
  2. Install the radiator outlet pipe stud.
  3. Carefully lower the vehicle.
  4. Install the coolant inlet housing bolt through the exhaust manifold.
  5. Properly fill the cooling system.
  6. Connect the negative battery cable, remove the radiator cap, then start the engine. Allow the engine to run with radiator cap removed, until the upper radiator hose becomes hot (thermostat open). With the engine idling, add coolant to the radiator until the level is up to the bottom of the filler neck.
  7. Install the radiator cap, making sure the arrows line up with the overflow tube.

Sep 19, 2010 | 1998 Pontiac Grand Am

1 Answer

Egr valve when does it operate


The EGR (exhaust gas recirculation) valve

What is it? This is a device that reduces engine emissions of nitric oxides by allowing a measured amount of exhaust gas to re-enter the intake manifold and mix with the air prior to entering the cylinders. The EGR can be vacuum or electrically driven or a combination of both.

Where is it located? The EGR is most often associated with the intake manifold. The EGR will be sited at a point of contact with both the exhaust and intake manifolds. If the exhaust manifold is remote, for example on the other side of the engine to the intake manifold, there will often be an exhaust feed pipe leading from the exhaust manifold to the EGR sited on the intake manifold.

How does it work? Generally intake manifold vacuum acting on a diaphragm draws up on a valve to open a connection between an entry port from the exhaust gases and an exit port to the intake manifold. An open EGR port makes starting difficult so the valve operation is often impeded by an electrical over-ride until the engine has warmed up, as signaled to the ECU by the coolant temperature sender. In some cases, a differential pressure feedback exhaust (DPFE) sensor fed by pipes from the exhaust feed to the EGR informs the ECU when and by how much the EGR should be open.

Symptoms of faulty EGR

The EGR has two possible fault modes either it is a) open when it should be closed or b) closed when it should be open. (some EGR faults are in fact more likely to be DPFE related)
  • Poor idling: ‘hunts’ at idle and generally rough engine performance. This is due to the air ingress through the split diaphragm or the EGR valve being left open, either event compromises the intake manifold vacuum and in turn this interferes with the ECU’s ability to deliver accurate fuel to air ratio for a given engine speed.
  • Misfire and ‘pinking’: if the EGR is jammed closed or the exhaust feed pipe is blocked (e.g. gummed up with baked carbon) the engine ignition runs lean and very hot, so hot in fact that the fuel air mix can spontaneously ignite causing a misfire. The misfire if pronounced can, in turn, be detected by the engine knock sensors and this gives the appropriate on board diagnostic error codes along with the check engine light. Due to the diesel engines creating more soot in the exhaust a blocked EGR is a much more common complaint in diesels than petrol cars.
  • Surging: A sticking EGR valve can lead to an effect of rhythmic surging a bit like the MAF fault, especially in turbo charged engines. Normally on a warmed up engine the vacuum from the inlet manifold opens the EGR. If the EGR fails to open promptly the turbo can be subject to a slight boost. Extra fuel/air mix is pushed into the inlet manifold as a result, increasing pressure (decreasing the vacuum). Without vacuum in the inlet manifold the EGR closes again but if sticky does so only slowly. This may allow inlet gases to flow through the EGR into the exhaust manifold for a split second. There is a time lag in the sequence of these events leading the engine to surge in cyclical manner.


How to check? With the engine running it may be possible to force the EGR valve open by pressing on the diaphragm with one’s fingers. Failing that pulling off the vacuum line to the EGR, blocking the pipe on the inlet manifold and applying vacuum to the EGR to monitor function will determine if the diaphragm is split. Removal of the EGR assembly and examination of the ports and valve mechanism will reveal any carbon build up.

How to fix? If the diaphragm is split then the EGR needs to be replaced. Most EGR problems are linked to carbon soot build up and this can be cleaned using a cloth, brush and carburetor choke cleaner spray. If the exhaust feeder pipe is blocked this can be cleaned using a piece of frayed hand brake cable as an internal brush. This makeshift brush can be further enhanced by mounting it in a drill to sweep dirt from the interior of lengths of pipe. Some cars (Hondas are a good example) have an elaborate passage way system to provide exhaust gas to each inlet pipe runner. The only way to clean these out is by removing the blanking plugs (no easy task) and then using the makeshift rotary wire brush and carburetor choke spray. New blanking plugs have to be reinstated to make good the passage ways assembly.




Jul 14, 2010 | 1992 Ford Explorer

2 Answers

Water pump


NOT HARD BUT YOU HAVE TO DRAIN COOLANT OUT OF SYSTEM.CATCHING IT IN A DRAIN PAN .THE 2.4 ENGINE YOU HAVE TO REMOVE. OXYGEN SENSOR THE EXHAUST MANIFOLD HEAT SHIELD.REMOVE COOLANT INLET HOUSING BOLT THROUGH THE EXHAUST MANIFOLD .REMOVE EXHAUST MANIFOLD BRACE TO MANIFOLD BOLT.REMOVE TO EXHAUST TO PIPE STUDS.REMOVE COOLANT INLET HOUSING TO WATER PUMP COVER BOLT.REMOVE EXHAUST PIPE FROM THE EXHAUST MANIFOLD BY PULLING IT DOWNWARD.REMOVE COOLANT INLET PIPE FROM THE OIL PAN.REMOVE BRAKE VACUUM PIPE FROM THE CAMSHAFT HOUSING.REMOVE EXHAUST MANIFOLD FROM THE CYLINDER HEAD.REMOVE HEATER HOSE FROM THE HEATER OUTLET PIPE.REMOVE THE TIMING CHAIN COVER AND TENSIONER.REMOVE WATER PUMP COVER TO ENGINE BOLTS.REMOVE 3 WATER PUMP TO TIMING CHAIN HOUSING NUTS.REMOVE THE WATER PUMP AND COVER ASSEMBLY.THE 3.1 AND 3.4 ENGINES DRAIN COOLING SYSTEM .REMOVE DRIVE BELT.REMOVE WATERPUMP PULLEY TO REMOVE PULLEY YOU NEED A LONG SKINNEY SCREW DRIVER TO HOLD PULLEY FROM TURNING WHILE YOU REMOVE THE BOLTS.THEN REMOVE WATER PUMP.CLEAN OLD GASKET MATERIAL OFF ENGINE BLOCK WHERE WATER PUMP GOES.BECAREFUL NOT TO SCRATCH PUMP SURFACE ON ENGINE BLOCK.YOU CAN BUY CAN OF GASKET REMOVER AT ANY AUTO PARTS STORES. THEN WHEN YOU PUT ON NEW WATER PUMP.BESURE TO COAT BOTH SIDES OF THE WATER PUMP GASKET WITH GASKET SEALER .BEFORE PUTTING GASKET SEALER ON WATER PUMP GASKET.BESURE TO GET HOLES MATCH UP RIGHT ON WATER PUMP AND GASKET.WHEN YOU GET IN PUMP IN PLACE TORQUE IT AT 89 INCH POUNDS AND PULLEY BOLTS 18 FT LBS.THE 2.4 ENGINE BEST TO HAVE** HAYNES REPAIR MANUAL ** BECAUSE REMOVING THE WATER PUMP YOU ARE DEALING WITH THE TIMING CHAIN AND TENSIONER.YOU NEED ALL THE EXHAUST BOLTS TORQUE SPECS.AND WHEN YOU COMPLETE WATER PUMP FIX.ADD COOLANT.CRANK ENGINE.CHECK FOR LEAKS.BLEED COOLANT SYSTEM.

Jun 14, 2010 | 1999 Pontiac Grand Am GT

1 Answer

Where do we find the o2 sensor to replace it on 1996 ford explorer v-6 4.0


Item Part Number Description 1 52 Exhaust Inlet Pipe 2 N803420-S2 Exhaust Manifold-to-Inlet Pipe Bolts
(4 Req'd) 3 5E212 Three Way Catalytic Converter 4 5230 Muffler 5 N620482-S2 Exhaust Inlet Pipe-to-Converter Nut
(3 Req'd) 6 5B266 Exhaust Converter Inlet Pipe Gasket 7 N620481-S2 Nut 8 5E269 Exhaust Converter Frame Bracket 9 N620481-S2 Nut 10 5260 Exhaust Outlet Pipe Frame Bracket 11 5E269 Exhaust Converter Frame Bracket 12 39006 Screw and Washer 13 5E241 Exhaust Converter Outlet Gasket 14 5G215 Exhaust Pipe Flange Hold Down Spring 15 N802641-S2 Nut and Retainer 16 — Rear Heated Oxygen Sensor (HO2S) A — Tighten to 34-46 Nm
(25-34 Lb-Ft) B — Tighten to 20-25 Nm
(15-19 Lb-Ft) C — Tighten to 34-46 Nm
(25-34 Lb-Ft)

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Apr 03, 2010 | 1996 Ford Explorer

1 Answer

I am looking for a step by step How - to for removing my water pump and replacing it with a new one



How to Replace the Water Pump in a Pontiac Grand Am The water pump is the heart of the Pontiac grand am's cooling system, circulating the coolant. A faulty water pump can cause some serious damage to the engine of your Pontiac Grand Am. To prolong the life of your vehicle's engine, make sure to change out a bad water pump.
2.2L Grand Am Engine Disconnect the negative battery cables before you begin.Place a drain pan underneath the radiator. When the engine is cool, drain the cooling system from the radiator into the pan.Elevate the vehicle and remove the right front wheel, the splash shield, the water pump sprocket access plate and remove the exhaust manifold if your vehicle has an n automatic trans-axle.Use the water pump sprocket holding tool (Tool Part Number J 43651) and attach it to the sprocket with access plate bolts, securing the tool to the front cover of the engine.Remove the following bolts to remove the water pump: the three bolts attaching the pump to the engine block, the bolt to the engine front cover, the bolts to the sprocket and the bolt attaching the thermostat housing to the pump.Remove the old pump and install the new one, aligning the water pump sprocket to the hub with a threaded stud.Reinsert the engine cover bolt to the block to the pump, tightening the bolt to 15 foot pounds (20 Nm). Tighten two of the water pump sprocket bolts to the water pump by hand.Take out the threaded stud that was used to align the water pump sprocket to the hub and attach the last bolt to the sprocket to the pump, tightening all three to 89 foot pounds (10 Nm).Remove the water pump sprocket holding tool and attach the timing cover to the water pump sprocket access plate, tightening the bolts to 89 foot pounds (10 Nm).Reattach the splash shield, the right front wheel and the exhaust manifold if applicable.Refill the engine's cooling system with coolant and reconnect the negative battery cable. Start the car and check for leaks when the engine reaches normal operating temperature.
2.4L Grand Am Engine Disconnect the negative battery cable and drain out the coolant from the cooling system when the engine is cool.Disconnect the electrical connector to the oxygen sensor and remove the exhaust manifold heat shield.Remove the following bolts and studs: the coolant inlet housing bolt connecting the exhaust manifold, the bolt to the exhaust manifold to the brace, the studs to the manifold to exhaust pipe and the bolt to the coolant inlet housing to water pump.Disconnect the following parts from each other: the exhaust manifold from the exhaust pipe by pulling the pipe downward, the oil pan from the coolant inlet pipe, the camshaft housing from the brake vacuum pipe, the cylinder head from the exhaust manifold, the heater outlet pipe from the heater hose and the timing chain cover from the tensioner.Loosen and remove the water pump bolts to the engine and the bolts from the pump to the timing chain. Remove the water pump with the cover assembly and remove the cover from the pump.Install the new pump with new gaskets. Replace the cover and tighten the bolts by hand. Attach the pump to the engine and tighten these bolts by hand.Attach the pump to the timing chain housing nuts and the coolant inlet pipe to the cover. Also tighten these by hand.Torque all bolts to the following specifications after all bolts have been inserted and hand tightened: the chain housing nuts to the pump assembly to 19 foot pounds (26 Nm), the water pump assembly to the cover to 124 foot pounds (14 Nm), and the water pump cover to the coolant inlet pipe assembly to 124 foot pounds (14 Nm).Reattach the cylinder head and the exhaust manifold, tightening the nuts to 11 foot pounds (15 Nm), the coolant inlet pipe to the oil pan, tightening the nuts to 19 foot pounds (25 Nm), and reattach the timing chain tensioner, tightening the bolts to 89 foot pounds (10 Nm).Reconnect the camshaft housing and the brake vacuum pipe and reattach the front cover, tightening the bolts to 106 foot pounds (12 Nm).Reattach the exhaust pipe and the manifold, tightening the bolts to 26 foot pounds (35 Nm), the exhaust manifold to the brace, tightening the bolts to 41 foot pounds (56 Nm) and the nuts to 19 foot pounds (26 Nm), the manifold to the exhaust pipe, tightening the nuts to 26 foot pounds (35 Nm), the heater pipe to the heater hose and reattach the exhaust manifold heat shield, tightening the bolts to 124 inch pounds (14 Nm).Reconnect the electrical connector to the oxygen sensor and the negative battery cable. Refill the engine's cooling system with coolant and start the car. Check for leaks when the engine reaches normal operating temperature. 3.1L and 3.4L Grand Am Engines Disconnect the negative battery cable and drain out the coolant from the cooling system when the engine is cool.Remove the accessory drive belt and the water pump pulley.Loosen and remove the water pump bolts and remove the pump from the engine.Install the new water pump, tightening the bolts to 89 inch pounds (10 Nm).Reattach the water pump pulley, tightening the bolts to 18 foot pounds (25 Nm).Reinstall the accessory drive belt and reconnect the negative battery cableRefill the engine's cooling system with coolant. Start the car and check for leaks when the engine reaches normal operating temperature.

Mar 15, 2010 | Pontiac Grand Am Cars & Trucks

2 Answers

How to change an exhaust manifold leak 7.5L


Right-Hand
Removal
  1. Remove spark plug heat shield (12A406).
  1. Remove distributor to spark plug wires (12286) using Spark Plug Wire Remover T74P-6666-A.
    1. Disconnect muffler inlet pipe.
    1. If equipped with secondary air injection, disconnect the secondary air injection check valve tube (9B480).
    1. Remove attaching bolts and right exhaust manifold (9430).
    1. Inspect joint faces for signs fo exhaust leaks, cracks or any defect that would make exhaust manifold unfit for use







Left-Hand Removal






1. Remove oil level indicator tube (6754).
  1. Remove spark plug heat shield.
  1. Remove distributor to spark plug wires using Spark Plug Wire Remover T74P-6666-A.
  1. Disconnect EGR valve to exhaust manifold tube (9D477). If equipped with air injection, disconnect the secondary air injection check valve tube.
  1. Disconnect muffler inlet pipe.
  1. Remove attaching bolts and exhaust manifold (9431).
  1. Inspect joint faces for signs of exhaust leaks, cracks or any defect that would make the exhaust manifold unfit for use.
Installation
  1. Clean mating surfaces of right exhaust manifold or left exhaust manifold and cylinder head (6049). Clean mounting flange of right exhaust manifold or left exhaust manifold and inlet pipe(s). Clean mounting surface for air injection tube or right exhaust manifold. Apply light film of Premium Long-Life Grease XG-1-C or -K or equivalent meeting Ford specification ESA-M1C75-B to right exhaust manifold or left exhaust manifold.
  1. Position right exhaust manifold or left exhaust manifold on cylinder head. Install attaching bolts and washers, starting at fourth bolt hole from front of each right exhaust manifold or left exhaust manifold. Tighten bolts to 34-47 Nm (25-35 lb-ft), working from center right to both ends.
    1. Position inlet pipes to right exhaust manifold or left exhaust manifold. Install attaching nuts and tighten to 34-47 Nm (25-35 lb-ft).
    1. Position the secondary air injection check valve tube and the secondary air injection tube gasket (9C435) at rear of right-hand exhaust manifold. Install attaching bolts and tighten to 19-25 Nm (14-18 lb-ft).
    1. Attach the secondary air injection manifold tube (9B449) to left-hand exhaust manifold fitting (located under EGR tube). Tighten nut to 30-40 Nm (22-30 lb-ft).
    1. Attach the secondary air injection check valve tube to rear of right-hand cylinder head. Tighten bolts to 75-85 Nm (56-62 lb-ft).
      1. Connect EGR valve to exhaust manifold tube to left exhaust manifold, if removed. Tighten nut to 53-72 Nm (39-53 lb-ft).
      1. Install spark plug heat shield and distributor to spark plug wires.
      1. Install oil level indicator tube to left exhaust manifold, if removed. Tighten nut to 13-24 Nm (10-18 lb-ft).
      2. Start engine (6007) and check for exhaust leaks.







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Hope this helps you...WF †

Mar 10, 2010 | 1996 Ford F250 Crew Cab

1 Answer

Where is the thermastat on the 4 cyclinder 2001 alero?


YOU HAVE TO REMOVE EXHAUST MANIFOLD HEAT SHIELD THEN REMOVE COOLANT INLET PIPE FROM THE THERMOSTAT HOUSING BY ACCESSING BOLTS THROUGH THE EXHAUST MANIFOLD RUNNERS.RAISE THE VECHICLE SECURE IT ON JACK STANDS REMOVE THE ENGINE TO TRANSAXLE SUPPORT BRACE.REMOVE THE LOWER RADIATOR HOSE FROM THE COOLANT PIPE.REMOVE THE COOLANT INLET PIPE TO OIL PAN STUD AND CAREFULLY SEPERATE COOLANT INLET PIPE FROM THERMOSTAT HOUSING.SLIDE THE COOLANT PIPE PAST THE RIGHT OF THE TRANSAXLE TO REMOVE IT.NOTE HOW ITS INSTALLED THEN REMOVE THE THERMOSTAT FROM THE INLET PIPE.

Oct 31, 2009 | 2001 Oldsmobile Alero

1 Answer

No fuel coming from pump


check to see if you have a fuel pump switch in your trunk. some vehicles have them. if it aint there then check uner the bench in your back seat.

Apr 27, 2009 | 1995 Nissan 200SX

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