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Old 08-29-2022, 02:54 AM   #1
Patriots
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Default What size are the bolts for the power steering lines on a s series?

I need to replace one of the power steering lines on my SL1

It's a 97

I'd like to know the size of the bolts that are on the rack.

Should I use a line wrench or a crows foot? What's the best method of getting them off without damage?
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Old 08-29-2022, 06:51 AM   #2
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Default Re: What size are the bolts for the power steering lines on a s series?

The larger one is 18mm, the smaller one should be 16mm. I never tried getting at them from below, from above your only chance is a crow foot line wrench (example).
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Old 08-29-2022, 11:35 AM   #3
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Default Re: What size are the bolts for the power steering lines on a s series?

You want to use a flare nut wrench. They’re pretty tight.
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Old 08-29-2022, 12:32 PM   #4
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Default Re: What size are the bolts for the power steering lines on a s series?

How are you supposed to get at these? The AC line is right in the way and there is literally zero room from above
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Old 08-30-2022, 01:12 PM   #5
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Default Re: What size are the bolts for the power steering lines on a s series?

On my 98 both lines to rack are 18mm.
I would not even try to get apart with out a good quality flare nut crows foot wrench as as been mentioned with link to photo.
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Old 09-07-2022, 07:28 PM   #6
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Default Re: What size are the bolts for the power steering lines on a s series?

I remove the steering pump from it's bracket and access the bolts by lifting it up the out of the way. There's slack in the hoses. You can wedge the pump above the valve cover in between the firewall if you need to break the bolts loose.
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Old 09-13-2022, 09:09 AM   #7
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Default Re: What size are the bolts for the power steering lines on a s series?

Just did this on my 97. I changed them both from under neath. I used an 18 mm crows foot with two long extensions and a swivel or universal joint between the extensions and the ratchet was at about the passenger wheel. This was the only way I could get enough leverage to turn them so I didn't strip them. It's wise to change both while you are in there and their are two different pressure lines available. Look at the bottom of your pump for a plug. If it has a plug you need the line for the pump with the electronic steering as the other will not work. Car is 25 years old so rock auto was my only source. Have fun
...
if you don't have time to do it right the first time, when will you have time to do it again?
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Old 09-14-2022, 12:19 PM   #8
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Default Re: What size are the bolts for the power steering lines on a s series?

Rocking the engine forward gives more room to work. Loosen the mounts and remove the radiator fan & fan shroud or whatever’s in the way.
A tie-down strap, from the lifting lug to the frame cross-member, will hold the engine forward.
Power steering is a hateful job. Take your time. The aftermarket pressure hose I bought didn’t even have the correct size rack-end O-ring on it.
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