Question about 1994 Isuzu Trooper

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Ran over a large rock creating a hole on a braided section(expansion joint?) of my exhaust manifold piping to front exhaust piping on my 1994 Trooper S. What is this braided section called and can it be replaced independently from the manifold and front exhaust piping? Thanks

Posted by Anonymous on

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  • Isuzu Master
  • 3,018 Answers

Thats the flex pipe probably attached to your converter. This type of pipe is used because of how the engine sits in the engine compartment and is used to reduce stress on the exhaust system. This can be done at home but it requires wielding skills. The piece you need is the flex joint. If you have not done this before I might recommend you have some assistance with it. With the Downpipe, Flexpipe and Catalytic Converter all being one piece and only needing the flex joint it will take two or three hours.

Posted on Apr 05, 2011

Testimonial: "Great solid information on the exhaust system flex pipe to the converter issue and what a repair will entail. Thanks for your excellent help."

  • Iron
    Iron Apr 06, 2011

    Glad to have helped.

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1994 ford ranger has chirping noise coming from behind motor I replaced distributor cap and rotor still happens and i can't figure out what it is does any one know?


Sometimes this is called an Exhaust chirp. This can happen where the main exhaust pipe meets the exhaust manifold. There can be a part called an exhaust donut, which is in between the manifold and the catalytic pipe.

Some models have a smaller pipe coming from the catalytic pipes and approaching the Pollution equipment. Some of these pipes have a flexible joint which rusts and leaks causing a chirping noise.

Apr 26, 2015 | Ford Ranger Cars & Trucks

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Exhaust Flex Pipe; How to replace?


You can change the entire section of exhaust pipe that the flex pipe is in. It's usually bolted to the catalytic converter, on the back end, and to the exhaust manifold at the front end. It's just a matter of unbolting it and bolting on the new section of exhaust with new gaskets. You could also go to a muffler shop and have them cut out the old flex pipe and weld in a new piece of flex pipe in it's place. It's for you to decide which option is best for you, and for your wallet.

Feb 24, 2011 | 1994 Toyota Camry

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How to replace water pump on 97 pontiac sunfire 2.4


PLEASE DON'T FORGET TO RATE! THANKS! 2.3L & 2.4L Engines
  1. Disconnect the negative battery cable
  2. Detach the oxygen sensor connector.
  3. Properly drain the engine coolant into a suitable container. Remove the heater hose from the thermostat housing for more complete coolant drain.
  4. Remove upper exhaust manifold heat shield.
  5. Remove the bolt that attaches the exhaust manifold brace to the manifold.
  6. Remove the lower exhaust manifold heat shield.
  7. Break loose the manifold to exhaust pipe spring loaded bolts using a 13mm box wrench.
  8. Raise and safely support the vehicle.
It is necessary to relieve the spring pressure from 1 bolt prior to removing the second bolt. If the spring pressure is not relieved, it will cause the exhaust pipe to twist and bind up the bolt as it is removed.
  1. Unfasten the two radiator outlet pipe-to-water pump cover bolts.
  2. Remove the manifold to exhaust pipe bolts from the exhaust pipe flange as follows:
    1. Unscrew either bolt clockwise 4 turns.
    2. Remove the other bolt.
    3. Remove the first bolt.
On the 2.4L engines, DO NOT rotate the flex coupling more than 4° or damage may occur.
  1. Pull down and back on the exhaust pipe to disengage it from the exhaust manifold bolts.
  2. Remove the radiator outlet pipe from the oil pan and transaxle. If equipped with a manual transaxle, remove the exhaust manifold brace. Leave the lower radiator hose attached and pull down on the outlet pipe to remove it from the water pump. Leave the radiator outlet pipe hang.
  3. Carefully lower the vehicle.
  4. Unfasten the exhaust manifold-to-cylinder head retaining nuts, then remove the exhaust manifold, seals and gaskets.
  5. For the 2.4L engine, remove the front timing chain cover and the chain tensioner. For details, please refer to the procedure located later in this section.
  6. Unfasten the water pump-to-cylinder block bolts. Remove the water pump-to-timing chain housing nuts. Remove the water pump and cover mounting bolts and nuts. Remove the water pump and cover as an assembly, then separate the two pieces.

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Water pump and cover mounting-2.3L and 2.4L engines

To install:
  1. Thoroughly clean and dry all mounting surfaces, bolts and bolt holes. Using a new gasket, install the water pump to the cover and tighten the bolts finger-tight.
  2. Lubricate the splines of the water pump with clean grease and install the assembly to the engine using new gaskets. Install the mounting bolts and nuts finger-tight.
  3. Lubricate the radiator outlet pipe O-ring with antifreeze and slid the pipe onto the water pump cover. Install the bolts finger-tight.
  4. With all gaps closed, tighten the bolts, in the following sequence, to the proper values:
    1. Pump assembly-to-chain housing nuts-19 ft. lbs. (26 Nm).
    2. Pump cover-to-pump assembly-106 inch lbs. (12 Nm).
    3. Cover-to-block, bottom bolt first-19 ft. lbs. (26 Nm).
    4. Radiator outlet pipe assembly-to-pump cover-125 inch lbs. (14 Nm).
  5. Using new gaskets, install the exhaust manifold. Make sure to following the tightening sequence and torque specifications given in the exhaust manifold procedure located in this section.
  6. Raise and safely support the vehicle.
  7. Index the exhaust manifold bolts into the exhaust pipe flange.
  8. Connect the exhaust pipe to the manifold. Install the exhaust pipe flange bolts evenly and gradually to avoid binding. Turn the bolts in until fully seated.
  9. Connect the radiator outlet pipe to the transaxle and oil pan. Install the exhaust manifold brace, if removed.
  10. On the 2.4L engine, install the timing chain tensioner and front cover.
  11. Install the lower heat shield.
  12. Carefully lower the vehicle.
  13. Fasten the bolt that attaches the exhaust manifold brace to the manifold.
  14. Tighten the manifold-to-exhaust pipe nuts to specification.
  15. Install the upper heat shield.
  16. Attach the oxygen sensor connector.
  17. Fill the radiator with coolant until it comes out the heater hose outlet at the thermostat housing. Then connect the heater hose. Leave the radiator cap off.
  18. Connect the negative battery cable, then start the engine. Run the vehicle until the thermostat opens, fill the radiator and recovery tank to their proper levels, then turn the engine off.
  19. Once the vehicle has cooled, recheck the coolant level.

Sep 13, 2010 | Pontiac Sunfire Cars & Trucks

1 Answer

WHERE TO LOOK FOR EXHAUST LEAK


There are several areas to check for possible exhaust leaks. i will list them below.

1. Exhaust manifold gaskets - This will be the most common area. There is a gasket that separates the block from the exhaust manifold. these gaskets can fail, thus, causing a exhaust leak at the manifold.

2. Lower manifold gasket(donut gasket) - This will be a possible leak spot as well. This small circular gasket is placed in between the upper exhaust pie and the lower side of the manifold. It basically separates the pipe from the exhaust manifold.

3. Exhaust pipe - The entire pipe can rust overtime, thus, creating small holes along the pipe structure. These holes will cause the exhaust to leak ,thus, filling the vehicle will moderate fumes and causing louder than normal engine sounds during revving.

4. Muffler - This component can also deteriorate to the point that it cannot filter out the noise. It will also cause leaks as well.

You will find the leak in one or all of the areas stated above in the list.

Jun 13, 2010 | 2006 Chevrolet HHR

1 Answer

Remove starter 1999 trooper


Lower the left,driver side exhaust pipe from the manifold, dont have to take all way out just undo three nuts from exhaust manifold, and three at rear of pipe, slide pipe to rear and possibly drob cross bracket below starter, Then just undo the two starter bolts and two wires from starter, and it will roll out between engine and frame.

Jun 06, 2010 | 1999 Isuzu Trooper

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

3 Answers

Exhast pipe where it is braided is loud how do you replace it


I have seen a lot of muffler shops or reg shops just weld that thing together to stop the leak, because it does wear out fast, it is a flex joint, I think to replace it it, you have to get the whole section of pipes, crossovers, etc, whatever you have under there. Hope this helps.

Mar 03, 2010 | 2005 Kia Optima

2 Answers

I have a nissan silvia s13. There was recently an accident, and what happened was somebody crashed into the rear of the car. I'm now getting a exhaust smell in the car. Any ideas?


It`s probably the exhaust doughnut between the exhaust pipe and the exhaust manifold its a gasket that can move around and be damaged easly

Sep 09, 2009 | Nissan 200SX Cars & Trucks

1 Answer

Starter problems?


I just had to replace the starter on mine and you have to cut the exhaust pipe off to remove the starter. Take the 3 nuts off where the exhaust is attached to the manifold then using a sawzall I cut it in the straight section after the bend so it could sleeved and welded back with ease, once the pipe is out of the way the starter will just about fall out. Bad design by Isuzu. Perhaps some sort of pay back if you know what I mean.

Jun 07, 2009 | 1998 Isuzu Trooper

3 Answers

Can't find the starter motor on a 94 Isuzu Trooper. Trying to clean battery connections or replace starter motor, but i can't find it!


Started located right below the drivers side exhaust manifold where the down pipe attaches. You will have to remove most of the exhaust system from the catalytic converter forward to get ot it. this is not a job for the faint hearted or Sunday mechanic. Make sure you spray the bolts on the exhaust system and be prepaired for bolts to break off.

May 16, 2009 | 1994 Isuzu Trooper

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