Question about 2001 Ford F250 Super Duty Super Cab

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Exhaust manifolds bolts have rusted out alowing them to become losse and leak

Both left and right ezxhaust manifold bolt /nuts have rotted away, causing them to leak.

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They make a socket to take off damaged bolts & nuts

Posted on Oct 20, 2008

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Passenger side exhaust leak at the manifold flange where it joins to the downpipe.


the manifold will have to be pulled off
rusted bolts and nuts can be removed with the application of heat on the nut bolt followed quick cooling with wd -40
it breaks the rust seal
use rust penetrant liberly

Aug 18, 2016 | Cars & Trucks

1 Answer

How to fix cracked manifold


J B Weld ,mix a/b and seal hole ,dries hard. Intake manifold has a little vacuum,it will work. Exhaust manifold has alot of pressure might not work, Junk yard, get replacement part. Parts do rot out!!

Apr 04, 2014 | Chrysler Voyager Cars & Trucks

1 Answer

What is the torque setting for 1999 ford 182 exaust manifold


Check this for 1996-1999 FORD 3.0L (182) V6 DOHC...
- Install the exhaust manifold with a new exhaust manifold gasket.
- Install the exhaust manifold retaining studs and tighten to 13-16 ft. lbs. (18-22 Nm) in the sequence illustrated.
Raise and safely support the vehicle.
Position the Y-pipe assembly using a new flange gasket and install all the retaining nuts and bolts loosely.
Starting at the front of the system tighten the Y-pipe to exhaust manifold nuts to 26-34 ft. lbs. (34-46 Nm).

- Tighten the converter to transaxle nut and bolt to 30 ft. lbs. (40.3 Nm). Tighten the converter outlet bolts to 26-34 ft. lbs. (34-46 Nm).

zjlimited_1988.jpg

Fig. Right side exhaust manifold mounting bolt tightening sequence-3.0L DOHC engine (click image for zoom)


zjlimited_1989.jpg

Fig. Left side exhaust manifold mounting bolt tightening sequence-3.0L DOHC engine (click over image for zoom)

Hope this helps (remember to rating this answer).

Oct 06, 2011 | 1999 Ford Taurus

1 Answer

Torque spec on exhaust manifold for 2000 yukon xl


EXHAUST MANIFOLD BOLT TORQUE 2000 GMC Truck Yukon XL 1500 2WD 5.3L SFI 8cyl The Exhaust Manifold Bolt Torque

Exhaust manifold bolts (first pass) 11 Lb/Ft.Exhaust manifold bolts (final pass) 18 Lb/Ft.Exhaust manifold nuts 39 Lb/Ft.Exhaust manifold stud 16 Lb/Ft.Air injection reaction (AIR) Pipe to exhaust manifoldnuts 18 Lb/Ft.(AIR) Pipe to exhaust manifold studs 4 Lb/Ft.Exhaust manifold AIR pipe studs 4 Lb/Ft.Note:To torque bolts and nuts, start in center usingcrisscross pattern working outward.

May 07, 2011 | GMC Yukon XL Cars & Trucks

1 Answer

What are the torque specs for 1996 Buick Century 3.1 L intake manifold?


Front Pipe REMOVAL & INSTALLATION Pipe Without Catalytic Converter
  1. Before removing any component of the exhaust system, always squirt a liquid rust dissolving agent onto the fasteners for ease of removal..
  2. Raise and support the front of the vehicle on jackstands.
  3. Remove the exhaust pipe-to-manifold nuts.
  4. Support the catalytic converter, then disconnect the pipe from the converter. Remove the pipe.
  5. Remove the exhaust gaskets. To install:
  6. Be sure to use all new gaskets when required. Assemble the system, check the clearance and tighten the bolts to about 15-30 ft. lbs. (20-41 Nm). Fig. 1: Front exhaust pipe connection common on vehicles with the catalytic converter not included 86813320.gif

  7. All clamps should be tightened to about 18-25 ft. lbs. (24-34 Nm). Do overtighten the clamps. If pipes become dented they can leak.
Pipe With Catalytic Converter
  1. Before removing any component of the exhaust system, always squirt a liquid rust dissolving agent onto the fasteners for ease of removal.
  2. Raise and support the vehicle.
  3. On some vehicles you will need to remove the brace from the transaxle.
  4. Remove the exhaust pipe nuts from the manifold.
  5. Support the catalytic converter pipe bolts from the rear of the converter.
  6. Lower the catalytic converter/front pipe assembly from the vehicle. To install:
  7. Be sure to use all new gaskets when required.
  8. Attach the new catalytic converter/front pipe assembly to the vehicle. Tighten the pipe to manifold nuts to 20-40 ft. lbs. (27-55 Nm).
  9. Attach the bolts at the rear of the catalytic converter/front pipe. Tighten them to 30-35 ft. lbs. (41-47 Nm).
  10. Connect the brace at the transaxle if removed.
  11. Lower the vehicle. prev.gif next.gif

Dec 18, 2010 | Buick Century Cars & Trucks

1 Answer

Where are the exhaust system bolts located?


Removal & Installation 2.2L Engine To Remove:
  1. Remove or disconnect the following:
    • Negative battery cable.
    • Heat shield.
    • Oxygen sensor.
  2. Raise and safely support the vehicle.
  3. Remove exhaust pipe from the exhaust manifold.
  4. Lower the vehicle.
  5. Remove the exhaust manifold mounting nuts from the cylinder head. chevy_cav_02-04_exmanifold.gif

  6. Remove the exhaust manifold.
  7. Clean the mating surfaces.
  8. Check for cracks, broken flanges and gasket surface damage.
  9. Use a straight edge and a feeler gauge. If the flanges or the mating surfaces do not align, the manifold is warped and should be replaced.
To Install:
NOTE: The manufacturer recommends using new exhaust system nuts.
  1. Install the manifold gasket.
  2. Position the exhaust manifold to the cylinder head. Exhaust manifold 2.2L 87953055.gif

  3. Install the new exhaust manifold nuts. Tighten the nuts starting from the center and working toward the ends to 110 in lbs (12.5 Nm).
  4. Raise and safely support the vehicle.
  5. Install the exhaust pipe to the manifold using a new flex coupler gasket.
  6. Install new exhaust flange mounting nuts.
    • Tighten to 33 ft lbs (45 Nm).
  7. Lower the vehicle.
  8. Install the oxygen sensor.
  9. Install the heat shield.
  10. Connect the negative battery cable.
2.4L Engine To Remove:
  1. Disconnect the negative battery cable
  2. Disconnect the Oxygen (O2) sensor electrical connector.
  3. Remove the (O2) sensor.
  4. Raise and safely support the vehicle. Exhaust brace 2.4L 87953053.gif

  5. Remove the exhaust manifold brace-to-manifold bolt and the oil pan nuts, if necessary. Exhaust heat shield 2.4L 87953051.gif

  6. Remove the upper heat shield. NOTE: Do NOT bend the exhaust flex decoupler more than necessary to remove it. Excessive movement will damage the flex decoupler
    Exhaust flex decoupler 87953056.gif

  7. Remove the manifold-to-exhaust flex decoupler fasteners.
  8. Remove the exhaust pipe.
  9. Carefully lower the vehicle.
  10. Remove the exhaust manifold-to-cylinder head mounting nuts/bolts. Remove the exhaust manifold.
  11. Discard the gaskets and/or seals. Clean the mating surfaces.
To Install:
Exhaust manifold 2.4L 87953055.gif

  1. Install new exhaust manifold gaskets. Position the exhaust manifold on the cylinder head. Tighten the mounting bolts in sequence to 110 in lbs (12.5 Nm).
  2. Raise and safely support the vehicle.
  3. Install the exhaust manifold heat shield. Tighten the mounting bolts to 10 ft. lbs (14 Nm).
  4. Install the exhaust manifold brace-to-manifold bolt and the oil pan nuts. Tighten the mounting bolts to 41 ft lbs (56 Nm) and the nuts to 18 ft lbs (24 Nm).
  5. Position the exhaust pipe to the manifold. Install the manifold-to-flex decoupler mounting bolts. Tighten to 26 ft lbs (35 Nm).
  6. Lower the vehicle.
  7. Coat the threads with a suitable anti-seize compound and install the O2 sensor.
  8. Connect the O2 sensor electrical connector.
  9. Connect the battery ground cable and check for leaks.
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Sep 02, 2010 | 2000 Oldsmobile Alero

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

2 Answers

Ive replaced my manifold gaskets on 2002 loncoln ls v6 and have a long bolt left over. Need diagram or schematic.


if its a manifold bolt its probably from the hole in the centre of the manifold- it's hidden away underneath the pipes, you can feel for it, it is there in the middle out of view on the bottom. it is often overlooked...

Jan 15, 2010 | 2002 Lincoln LS

1 Answer

Bolts to manifold & exhaust rusted


Bolts are screwed into the manifold (actually studs)
Best thing to do is to have someone heat them with a torch and get the nuts free. If the studs are in really bad shape, you will have to remove them from manifold and replace them (usually a torch job as well) Not a job for a burns o matic...need a real torch for this one! Or, just snap them off and remove manifolds to fix them.

Mar 18, 2009 | 1989 Chevrolet C1500

1 Answer

Exhaust leak


they don't go into the water jacket, but be careful not to drill any deeper than the bottom of the bolt hole or you can go through to the water jacket, a piece of rubber vacuum hose over the drill works well to limit the drill depth.

Feb 19, 2009 | 1995 Chevrolet C2500

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