Question about 1990 Chevrolet K1500

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Leaking coolant from plug behind power steering pump.

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Does this plug have a square in it to unscrew it?If it does,unscrew it and replace with a new one with thread sealant on the plug.If it doesn`t then it has a freeze plug in it .It would have to be punched outward,and replaced with a new one.

Posted on Oct 08, 2009

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Where is the freeze plug located on a 1999 Chevy Lumina 3.1L

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Exploded view of power steering pump 1989 full size bronco viewfo

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I have a coolant leak on a 2001 Malibu with a 3.1 engine that is leaking behind water pump. It is not the pump as I have replaced it. New radiator replaced the old one which was leaking. I have checked all...

If it was a freeze plug, it would keep leaking with the engine off. You are going to have to move stuff around, is there a hose outlet down there? Some GM engines had a plastic fitting screwed into the block for a bypass hose fitting. I found one that had broken off flush with the block.
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You did not say if it is a 4 cyl or a V6, but generally the power steering pump is belt driven, and the V6 water pump is driven by the timing belt.
The pump in question could be the power steering pump. Or it could be the 4 cyl water pump.
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I'm losing coolant, no visible leaks. I do have a squelling sound near the power steering pump?

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Cant find were to put powersteering fluid

Power Steering Pump Removal & Installation 3.8L Engine To Remove:
  1. Before servicing the vehicle, refer to the precautions at the beginning of this section.
  2. Place a drain pan under the vehicle.
  3. Remove the accessory drive belt from the power steering pump pulley.
  4. Raise and safely support the vehicle.
  5. Remove the right front tire and wheel assembly.
  6. Remove the hoses from the power steering pump.
  7. Remove the mounting bolts and the power steering pump from the engine.
  8. Remove the reservoir and pulley from the pump if necessary.
To Install:
Power steering pump removal/installation (3.8L engine) gm-08-38-480.gif

  1. If removed, install the power steering pump reservoir and pulley on the power steering pump.
  2. Position the power steering pump to the engine and install the mounting bolts. Tighten the bolts to 25 lb ft (34 Nm).
  3. Install the pressure and return hoses to the pump.
  4. Install the right front tire and wheel assembly.
  5. Lower the vehicle.
  6. Install the accessory drive belt.
  7. Fill and bleed the power steering system.
  8. Inspect the system for leaks.
  9. Remove the drain pan from under the power steering pump area.
3.4L Engine To Remove:
  1. Place a drain pan under the power steering pump.
  2. Remove the coolant reservoir.
  3. Remove the pulley from the power steering pump.
  4. Remove the wiring harness near the power steering pump and place it out of the way.
  5. Disconnect the fluid hoses from the power steering pump.
  6. Remove the mounting bolts from the power steering pump and remove the pump.
To Install:
Power steering pump removal/installation (3.4L engine) 88008g71.gif

  1. Position the power steering pump assembly to the engine and install the mounting bolts. Tighten the mounting bolts to 25 lb ft (34 Nm).
  2. Install the wiring harness in its original position.
  3. Install the pulley on the power steering pump.
  4. Install the coolant reservoir.
  5. Fill and bleed the power steering system.
  6. Inspect the system for leaks.
  7. Remove the drain pan from under the power steering pump.
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Sep 18, 2010 | 2000 Chevrolet Impala

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My 2001 grand am has been overheating for a while now, its not leaking, there is no water in the oil, and we just changed the thermostat today and the problem wasnt fixed. We decided to look at the water...

If you have just replaced thermostat, then you need to fill up radiator with car running. Let radiator fill up, wait a while and the level will slowly drop as coolant is ran through engine block, then you will need to add more. Burping the raidator hose usually helps.

Make sure it is 50/50 coolant mixture. Also check to make sure exhaust is not plugged. and that you are using a 5w 30 or a synthetic oil

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I have a power stearing leak I think its comming from driver side

The front pump seal on the power steering pump - located behind the power steering pump pully tends to leak on these. To fix it you are better off replacing the entire pump assembly because the drive shaft tends to wear crooked and messes up the seal. Also, these are known for oil cooler lines leaking which is directly below power steering pump which can be mistaken for power steering pump leak.

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