| Re: [GMCnet] Wiper motor return line question [message #359245] |
Wed, 07 October 2020 19:08 |
Greg C.
Messages: 224
Registered: October 2019
Location: Knoxville, TN
Karma:
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Senior Member |
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Thank you!
On Wed, Oct 7, 2020, 8:05 PM Ken Henderson wrote:
> Greg,
>
> Are you referring to the line between the power steering box and the wiper
> motor, or to the line from the motor to the reservoir?
>
> The first of those is under up to 1500 psi of hydraulic pressure so must
> be made up of similarly rated hose with swaged on fittings. The second,
> the true "return hose" should not see a lot of pressure, so "Power Steering
> Return Hose" (generally rated at 200 psi), available at most auto
> parts houses, with spring or aviation clamps at each end, will suffice.
>
> Yes, you're going to have a mess of power steering fluid, no matter where
> you disconnect it. Especially when you disconnect from the reservoir --
> its contents WILL pour out -- hopefully in your provided catch basin. :-)
>
> By the way, most, if not all (I really don't remember if it varies by
> year), GMC's have TWO return hoses -- one from the motor to a vertical
> metal tube beside the radiator and another from the bottom of that tube to
> the reservoir. So you want need as much of that $2+ per ft. hose.
>
> While you've got the mess anyway, go ahead and clean the wiper filter
> screen with solvent (that's in the brass tube connecting the motor and the
> return hose).
>
> HTH,
>
> Ken H.
>
>
> On Wed, Oct 7, 2020 at 6:00 PM Greg Crawford via Gmclist gmclist@list.gmcnet.org> wrote:
>
>> My windshield wiper return line is in very poor condition, most likely
>> original.
>>
>> Three questions please:
>>
>> 1. What kind of hose do I need to replace it with?
>>
>> 2. When I pull it off, is oil going everywhere?
>>
>> 3. Will I have to somehow bleed the wiper motor once the line is
>> replaced? If so, how do I do that?
>>
>>
>> Thank you.
>> --
>> Greg Crawford
>> Knoxville, TN
>>
>> 1977 Royale
>> 403
>> Rear Bath
>> American Eagle Wheels
>> Alex Sirum Quad bags
>>
>> _______________________________________________
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>
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Greg Crawford
KM4ZCR
Knoxville, TN
"Ruby Sue"
1977 Royale
Rear Bath
403 Engine
American Eagle Wheels
Early Version Alex Sirum Quad bags
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