How To Replace Power Steering Pump 1964-67 Pontiac GTO
Created on: 2014-09-17
How to repair, install, fix, change or replace a broken, bad, or leaking power steering pump on 64, 65, 66, 67, 68, 69 Pontiac GTO.
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step 1 :Loosening the Steering Pump
- Have a drain pan ready
- Disconnect the pressure line with an 11/16 wrench
- Disconnect the pressure line fitting with an 11/16 wrench
- Loosen the two bolts on the steering pump with a 9/16 inch wrench
- Loosen the bolt with a 7/8 inch socket
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step 2 :Removing the Serpentine Belt
- Loosen the 9/16 bolt on the alternator
- Loosen the 1/4 inch bolt on the alternator
- Remove the belt from the power steering pulley
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step 3 :Removing the Power Steering Pump
- Remove the three bolts loosened on the power steering pump
- Pull the power steering pump up and out
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step 4 :Disassembling the Power Steering Pump
- Remove the spacer from the back of the steering pump
- Remove the top of the steering pump
- Pour any remaining fluid into the drain pan
- Remove the 7/8 bolt from the steering pulley
- Remove the four 9/16 bolts from the bracket
- Remove the pressure line with a 5/8" wrench
- Remove the clamp from the return line with a flat blade screwdriver
- Break off the pinch clamps with pliers
- Cut the fitting with a box cutter
- Remove the fitting end
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step 5 :Assembling the Power Steering Pump
- Push the return line into place
- Clamp on the pinch clamp
- Twist in the pressure line
- Tighten the 9/16 bolts to the bracket
- Push the steering pulley onto the pump
- Push the washer on and tighten the 7/8 bolt to the steering pulley
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step 6 :Reinstalling the Power Steering Pump
- Push the space on the back of the steering pump
- Lower the steering pump into place
- Preliminarily tighten the bolt on the front of the steering pump with a 9/16 inch wrench
- Preliminarily tighten the bolt with a 7/8 inch socket
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step 7 :Reinstalling the Serpentine Belt
- Wrap the belt around the water pump pulley
- Bring it around the crank pulley
- Bring it around the steering pump pulley
- Pull and tighten the 9/16 bolt behind the pump
- Tighten the remaining two bolts
- Tighten the 9/16 bolt on the alternator
- Tighten the 1/4 inch bolt on the alternator
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step 8 :Connecting the Pressure Lines
- Connect the pressure line with an 11/16 wrench
- Connect the pressure line fitting with an 11/16 wrench
- Push the hose onto the fitting
- Clamp on a pinch clamp to the fitting
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step 9 :Refilling the Power Steering Pump Fluid
- Refill the steering pump reservoir to the recommend amount
- Start the vehicle
- Turn the vehicle off
- Refill the reservoir
- Repeat the process twice until the steering wheel can be moved easily
- Turn the steering wheel back and forth
- Refill the reservoir
- Test drive the vehicle
- Check the reservoir
Tools needed
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1/2 Inch Wrench
Flat Blade Screwdriver
7/8 Inch Socket
9/16 Inch Wrench
5/8 Inch Wrench
Drain Pan
11/16 Inch Wrench
3/8 Inch Impact Gun
7/8 Inch Wrench
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Hi, I'm Mike from 1A Auto. I hope this how-to video helps you out, and next time you need parts for your vehicle, think of 1AAuto.com. Thanks!
In this video, we're going to show you how to replace the power steering pump on this 1966 Pontiac GTO. The items that you'll need for this is a 5/8 inch 11/16 inch flare wrench, 1/2 inch and 9/16 inch wrench, a 7/8 inch socket and impact driver, a drip pan, and a flat blade screwdriver.
The first step is going to be to disconnect the lines from the pump to the steering box. I've got a flare wrench, it's an 11/16 and 5/8. I'm going to do the pressure line first, and I have got a drip pan underneath because as soon as I do this it's going to squirt out fluid. Two 9/16 wrenches and you're going to want to loosen this up here and loosen this here. You want to loosen this one here too. Once you do that, the pump should move around.
All right, so you can see we've got it loosened up, but the way this is designed, the alternator is actually hitting it, so you want to loosen up this 1/2 inch bolt here, and then there's a 9/16 bolt right here. Loosen those two up, and then the alternator will move out of the way. Pull your belt off the power steering pulley.
Now to get the pump out, just remove the three bolts that you loosened up to move it, so take off this nut and bolt, remove this nut here, and remove this bolt that you've already loosened up down here. All right, so I've got this loosened up, now we'll loosen up the bolt that body of the alternator a little bit more as well. You can see that the pump is now almost falling down. Take this spacer off the back, and there's probably not much left in here. I'll just dump that out.
7/8, you'll want an impact wrench. Take that bolt out and hope yours comes off easily. Now you want to remove these four 9/16 bolts to get the bracket off. You can see our return line's in pretty rough shape. All we're going to need to do is save this fitting which is a matter of taking, loosening up this clamp, and pulling the fitting off.
We're going to remove our pressure line, this is a 5/8 flare wrench. Our hoses have the original style pinch clamps on them, so we have actually the special pliers to use them. You pinch onto them and twist them, and that breaks the clamp. We'll use those as well when we reinstall it. To get the fitting free, if you're replacing this hose, then you just want to cut and pull the fitting off.
We're going to reinstall our new pump. This is the return line, and the owner of this car wants everything back together the way it's supposed to be, so this actually an original GM return line. Back on. The original style pinch clamp. I'm just going to take the plug out of here, and we'll just start our line in because we want it flexible. We'll tighten it up once it's all in the car. Just put it on so it still moves.
On a '66 pump, you can see these three holes are on one plane, and this hole is raised up a little bit so the bracket only goes on one way. These are the correct bolts with the right markings. We've had this car since '67, so we know everything is pretty much correct on it. The pulley has a keyway in it, so move it around a little bit. The washer goes down on and the bolt is a locking style bolt. I'll set my impact wrench for its lowest torque setting.
All right, let's put it back down in. This little washer is supposed to go on like that. Make sure the bracket gets out of the way and get this in. Let's see. Work it in until the stud goes through. Fast-forward as I install that nut and then the bolt. The nut and bolt at the bottom that hold the pump in place. Basically, you want to tighten everything up just firm so you can still move around and adjust the pump once you put the belt back on.
We've got everything snug, so the pump will move around. Let's put the belt on, and make sure it's on the water pump pulley and down on the crank pulley. Feed it up onto the power steering pump. You want to pull on the power steering pump. You want to be able to move the belt up and down about 1/4 of an inch. I'm going to pull on it and then tighten up this bolt here. There's actually a tooth right here, you can put a pry bar in and push on the pry bar, loosen up the nut again a little bit, put some tension on the pry bar, and you don't want to make them too tight because you'll wear out your water pump. I'm putting some tension on the pry bar and tighten it up.
Now I'm just going to tighten up the other two bolts that hold it. Once you have your power steering pump in place, then the alternator, get the belt back on, pull on the alternator to tighten the belt, and tighten the two bolts that hold the alternator. You can't really hook this up incorrectly because one thing's larger than the other, but the larger one goes towards the inside of the car. You want to make sure that you route this, this one up here, you want to go right in between where this is wide, and this bolt so you have as little heat as possible getting close to that line. Make sure you check and tighten up the other end of the line as well.
Here's our little pressure line fitting. We're going to put a clamp on it, put the hose down on the fitting, and then figure out how we can get the pliers down here. Now we can fill the reservoir, and don't overfill it. After you fill it once, start the vehicle up, shut it off, fill it again. Probably repeat that twice until you can move the steering wheel easily, then run the steering wheel back and forth a couple of times, top it off again. Drive it some, check it the first few times you drive it, and make sure it's filled up.
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