Question about Chevrolet Silverado 1500

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Exhaust manifold seems like it shrunk. it won't bolt back on

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Too much hheat removing broken bolts. manifold got wapped

Posted on Oct 07, 2009

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I have an 01bmw 525i trying to remove manifold,I've removed all top screws and disconnected all wires but manifold seems bolted underneath will shake but not come up source is not located Please help!


The manifold will be bolted to the front exhaust pipe as well. If all bolts are out of manifold, you need to be under car and disconnect front exhaust pipe to manifold bolts

Apr 12, 2015 | BMW 525i Cars & Trucks

1 Answer

How to replace water pump on 1991 pontiac quad 4


2.3L Engine
  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 and lower exhaust manifold heat shields.
  5. Remove the bolt that attaches the exhaust manifold brace to the manifold.
  6. Break loose the manifold to exhaust pipe spring loaded bolts using a 13mm box wrench.
  7. Raise and safely support the vehicle. NOTE: 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.
  8. 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.
  9. Pull down and back on the exhaust pipe to disengage it from the exhaust manifold bolts.
  10. 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.
  11. Carefully lower the vehicle.
  12. Remove the exhaust manifold, seals and gaskets.
  13. Loosen and reposition the rear engine mount and bracket for clearance, as required.
  14. Remove the water pump mounting bolts and nuts. Remove the water pump and cover assembly, then separate the two pieces.

Feb 23, 2012 | 1991 Pontiac Grand Am

1 Answer

Diragram on how to change the water pump on a 1995 z24 cavalier 2.3


Check this procedure, according with the repair guide for...

2.3L and 2.4L Engines
(see Figure 9)
  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.Pull down and back on the exhaust pipe to disengage it from the exhaust manifold bolts.
  1. 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.
  2. Carefully lower the vehicle.
  3. Unfasten the exhaust manifold-to-cylinder head retaining nuts, then remove the exhaust manifold, seals and gaskets.
  4. 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.
  5. 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.

zjlimited_2033.jpg

Fig. 9: Water pump and cover mounting - 2.3L and 2.4L engines (click over image for zoom)

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.

Hope helps; remember to rating this answer and leave a testimonial comment. Thank you for using FixYa.

Oct 13, 2011 | 1995 Chevrolet Cavalier

1 Answer

WHAT IS THE TORQUE ON A 94 BUICK CENTURY 3.1 V6 ON THE INTAKE AND EXHAUST PUSH RODS?


Tightening sequence would be to tighten from the center most bolts to the outer most bolts.
Intake Upper Bolts = 18 lb.ft.
Intake Lower Bolts = 10 lb.ft.
Exhaust Manifold Nut = 12 lb.ft
Exhaust Manifold pipe = 22 lb.ft.
Exhaust Manifold Heat Shield = 18 lb.in.
Rocker Arm Torque Nuts = 18 lb.ft.

Hope this helped you ?? if you need more info, get back to me.....

Jun 16, 2011 | 1994 Buick Century

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

I am trying to remove and reinstall the cylinder head of my 1994 S 10 pickup truck. I have removed the nuts and bolts holding the intake and exhaust manifolds to the head but I am having some dificulty in...


Leave the exhaust manifold attached and just push it away. Remove the head bolts and make sure all vacuum lines and fuel lines and water lines are disconnected. Make sure you have the head resurfaced before reinstalling and buy new head bolts. Remember to torque the head bolts to spec. But it seems to me like you pretty much got the hang of it.

Jan 30, 2011 | 1994 Chevrolet S-10

1 Answer

I need to remove the exhaust manifold on the driver's side to access a freeze plug at the back of the block. Any special concerns for r&r of the manifold?


May not need to totally remove the manifold. Use a spray lub (I use Movit) and spray the exhaust bolts liberally on cooled down engine. Let sit for an hour or more (or follow instructions on can) Then use 6 point sockets on the bolts and rock back and forth to remove. Once all of the bolts are out you should be able the move the manifold back far enogh to expose the frost plug. When you put the exhaust back on - be sure and use anti-seaze on the bolts along with your new gaskets. Get all of the bolts started before you torque them to spec.

Nov 28, 2010 | 2000 Ford Ranger SuperCab

2 Answers

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.

01add58.gif
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

2 Answers

How to replace the water pump on 1993 oldsmoblie achieva.


2.4 enigine is the harder of the 3 enignes. it will need a timing chain to be removed and a coolant tube in the back of the engine to be removed. this job on the book calls for almost 7 hours.

if its 3.3 or 3100 its alot easier.

3100 is just 4 10mm pulley bolts and 5 or 6 small 8mm water pump bolts.

3.3 is alittle more work, but same concept as 3100 engine. more owkr only cause its in a tighter area.

good luck,
michael

Apr 29, 2009 | Oldsmobile Achieva Cars & Trucks

3 Answers

Exhaust Manifold


Not familar with the jeeps, does the EGR tube run into the mainfold its self?

Oct 22, 2008 | 1997 Jeep Tj

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