Question about Ford F-350

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I have a 1994 F350 XL with a 5.8L. my exhaust manifold was recently replaced and i dont know what the rear hose going into the manifold next to the bottom of it. with out the hose connected, the truck runs horrible. can you tell me what this hose is? i know the front one is the EGR valve but im not sure about the one on the back. thanks!

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IF IT'S THE PIPE ON THE PASSENGER SIDE OF THE ENGINE, THATS THE AIR INJECTION FROM THE AIR PUMP ( SMOG PUMP) THAT INJECTS AIR INTO EXHAUST SYSTEM TO HELP WITH EMISSIONS.


HOPE THIS ANSWERS YOURE QUESTION.

Posted on Aug 08, 2010

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93 ford f350 1ton has this hose coming out and i cannot find where it goes


if you are referring to the broken aluminium hose it goes from the exhaust manifold shroud up to underneath the air cleaner body or inlet tube of the air cleaner body its use is to conduct hot air from the manifold into the carby via the air cleaner to prevent the carby icing up in extreme weather

Oct 11, 2015 | Ford Cars & Trucks

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1994 cherokee jeep


It is on the driver's side of engine, mounted onto the intake manifold-right in the middle of the manifold, but on the side. It has a removeable metal tube on it coming from the exhaust manifold.

With the egr valve, there may be an attached "egr valve vacuum transducer"-a little device only there to increase or decrease the vacuum signal to egr valve, based on the amount of back-pressure in the exhaust. The transducer valve has a vacuum hose from the engine, a hose from transducer to the egr valve, then another hose from bottom of transducer valve to monitor exhaust backpressure. Do not worry about the transducer valve when servicing the egr valve.

Nov 25, 2013 | 1994 Jeep Grand Cherokee

1 Answer

Car wont accelerate past 22 mph


what code are you getting ? I would start there and what are you refering to as D10 ???. have you checked your catylic convertor to see if possibly plugged, loosen exhaust at exhaust manifold or pull your O2 sensors out, this will cause an exhaust leak but will relieve some pressure on exhaust to see if this is indeed the exh. plugged. then drive it and see if it made a difference in shifting and power. Good Luck

May 27, 2012 | 1993 Oldsmobile Eighty Eight

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

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My 1994 chevy k1500 is having brake probs. Pedal goes half way to the floor before beginning to engage, and then takes lots of pressure to actually stop. Could this be the brake booster or is it more...


could be booster, could be air in system, could be master cylinder. Check reservoir. If it is out, you have leaks and air in lines. If no, listen for air leaks under dash as you push pedal. If air leak, replace booster.
If no air leak, check for vacuum at hose going into booster. If no vacuum, check hose connection to intake manifold.
If no leaks and booster is good, suspect master cylinder.

Let me know if you have questions.

Sep 23, 2010 | 1994 Chevrolet K1500

2 Answers

Cylinderhead torque stc.


Cylinder Head Removal & Installation SOHC To Remove:
  1. Relieve fuel system pressure.
  2. Remove timing belt cover. Camshaft timing marks kia-03-20-7032.gif

  3. Turn crankshaft until timing mark on front housing and the arrow "2" on the camshaft pulley align.
  4. Loosen lock bolt on tensioner.
  5. Pry tensioner away from timing belt and tighten lock bolt to relieve tension on the timing belt.
  6. Remove timing belt from camshaft pulley.
  7. Disconnect battery negative cable.
  8. Remove 3 bolts that secure accelerator cable and air intake hose to cylinder head cover.
  9. Detach accelerator cable and place off to side.
  10. Remove the following;
    • Air hose
    • Air ISC air hose
    • Breather hose
    • Vacuum hose from air intake hose
  11. Disconnect mass air flow sensor electrical connector.
  12. Remove air intake hose.
  13. Remove PCV valve from cylinder head cover.
  14. Remove ISC air hose from idle speed actuator.
  15. Remove air hose from behind intake manifold.
  16. Remove 2 screws from high tension wire protectors.
  17. Detach wire loom from holder at rear of cylinder head cover.
  18. Detach vacuum tube at rear of cylinder head cover.
  19. Remove vacuum pipe. Cylinder Head Cover kia-03-20-7042.gif

  20. Remove 7 cylinder head cover bolts.
  21. Remove cylinder head cover and gasket.
  22. Disconnect 2 ignition coil electrical connectors.
  23. Disconnect 2 fuel injection electrical connectors at rear of cylinder head.
  24. Disconnect the following electrical connectors;
    • Oxygen sensor
    • Throttle position sensor
    • Idle speed actuator
    • Oil pressure switch
    • EGR vacuum solenoid valve at intake manifold
  25. Disconnect heater hose from elbow.
  26. Disconnect brake booster vacuum hose and cruise control vacuum hose from surge tank.
  27. Detach wire harness from rear of cylinder head.
  28. Disconnect purge control solenoid vacuum hose from intake manifold.
  29. Disconnect fuel hose from fuel connector assembly.
  30. Remove grounding bracket.
  31. Remove 4 bolts and intake manifold bracket.
  32. Remove starter.
  33. Detach water bypass hose from bypass pipe.
  34. Disconnect water hoses from oil cooler.
  35. Disconnect fuel hose from fuel pipe.
  36. Remove exhaust manifold heat shield.
  37. Remove exhaust flange nuts and front exhaust bracket bolt.
  38. Lower exhaust system. Cylinder head bolt loosening sequence kia-03-20-7050.gif

  39. Loosen cylinder head bolts in 3 steps in proper sequence.
  40. Remove cylinder head bolts and washers.
  41. Remove cylinder head, intake manifold and exhaust manifold as an assembly.
To Install:
  1. Install NEW cylinder head gasket.
  2. Install cylinder head, intake manifold and exhaust manifold as an assembly.
  3. Tighten cylinder head bolts in 3 steps in reverse sequence that was used during removal. Tighten bolts to 62 ft lb (84 Nm).
  4. Install front exhaust bracket bolt. Tighten bolt to 20 ft lb (27 Nm).
  5. Install NEW lower exhaust flange gasket and 3 nuts. Tighten nuts to 24 ft lb (31 Nm).
  6. Install exhaust manifold heat shield. Tighten nuts to 35 in lb (4 Nm).
  7. Connect fuel hose to pipe.
  8. Connect 2 hoses to oil cooler.
  9. Attach water bypass hose to bypass pipe.
  10. Install starter and bolts. Tighten bolts to 34 ft lb (46 Nm).
  11. Install intake manifolds bracket and 4 bolts. Tighten bolts to 32 ft lb (45 Nm).
  12. Install grounding bracket.
  13. Connect fuel hose to fuel connector assembly.
  14. Connect the following electrical connectors;
    • Oxygen sensor
    • Throttle position sensor
    • Idle speed actuator
    • Oil pressure switch
    • EGR vacuum solenoid valve at intake manifold
  15. Connect purge control solenoid vacuum hose to intake manifold.
  16. Attach wire harness from rear of cylinder head.
  17. Connect brake booster vacuum hose and cruise control vacuum hose to surge tank.
  18. Connect heater hose to elbow.
  19. Connect 2 fuel injection electrical connectors at rear of cylinder head.
  20. Connect 2 ignition coil electrical connectors.
  21. Install cylinder head cover.
  22. Install 7 cylinder head cover bolts. Tighten bolts to 60 in lb (7 Nm).
  23. Install vacuum pipe and 2 bolts at rear of cylinder head cover. Tighten bolts to 60 in lb (7 Nm).
  24. Connect vacuum tube to pipe.
  25. Connect loom holder to rear of cylinder head cover.
  26. Install 2 screws to high tension wire protectors.
  27. Install air hose to behind intake manifold.
  28. Install ISC air hose to idle speed actuator.
  29. Install PCV valve to cylinder head cover.
  30. Install air intake hose.
  31. Connect mass air flow sensor electrical connector.
  32. Install the following;
    • Air hose
    • Air ISC air hose
    • Breather hose
    • Vacuum hose from air intake hose
  33. Attach accelerator cable.
  34. Install 3 bolts that secure accelerator cable and air intake hose to cylinder head cover. Timing belt pulley timing marks kia-03-20-7035.gif

    NOTE: Timing belt pulley timing mark and timing mark must be aligned.
    Camshaft timing marks kia-03-20-7032.gif

    NOTE: The arrow at "2" on camshaft pulley must be aligned with timing mark on front housing.
  35. Install timing belt.
  36. Install timing belt cover.
  37. Pressurize fuel system.
  38. Start engine and check ignition timing.

Jul 11, 2010 | 1999 Kia Sportage

1 Answer

Anti freeze leeking


I have seen a couple of these now with headgasket leaks to the outside of the block just as you describe. I solved them both with a stop-leak additive, not something I would normally use, but I really didn't want to pull the heads because the exhaust studs always break on these engines. I would find out for sure where the leak is before proceeding though. If it's a hose or frost plug, you'll have to repair it properly.

May 14, 2009 | 1994 Nissan Quest

1 Answer

A/C Problems When Accelerating


I have a 1994 Town Car EVTM, Electrical and Vacuum Troubleshooting Manual. I no longer need it and will sell for $10 including shipping. Let me know.

As for the hoses:

  • a black hose goes from the intake to a vacuum manifold with eight ports.
  • the next 2 ports go to the PCV through a "T"
  • the next port goes to the check valve for the a/c system. The check valve has two ports coming out. One for the reservoir and one to the heater control panel.
  • the next port goes to the automatic park brake release switch (I think on the steering cloumn base.)
  • the next port on the vacuum manifold has a red plastic hose going to the EVR, EGR Vacuum Regulator. A green hose comes out of the EVR and goes to the EGR Valve.
  • the next port has another red hose that goes to the FPRC (fuel pressure regulator on fuel rail?)
  • the last port goes to a check valve and then on to the brake booster.

May 08, 2009 | 1994 Lincoln Town Car

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