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05-07-2023, 02:12 PM
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#1 |
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Senior Member
 
Join Date: Jul 2000
Location: North Texas
Posts: 3,435
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Wiper motor seal
I had this wiper motor out to bench test a new washer pump. Looks like the cowl seal may have been nothing more than RTV. Any advice on re-sealing?
Edit: I just did a google search and found several different styles of seals. So my new question is which style have you had success with? And I also see where that's a seal on the shaft. Shoulda looked closer before I posted this!
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Mike 1969 C10 LWB -- owned for 34 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, AAW wiring harness, 5-lug conversion, 1985 spindles and brakes. 1982 C10 SWB -- sold 1981 C10 Silverado LWB -- sold, but wish I still had it! 1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming. Retired as a factory automation products salesman. Worked part-time over the years for an engine builder and a classic car repair shop. Member here for 23 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then! Last edited by MikeB; 05-07-2023 at 05:30 PM. |
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05-07-2023, 06:11 PM
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#2 |
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Senior Member
Join Date: Aug 2018
Location: Liberty Twp, Ohio
Posts: 335
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Re: Wiper motor seal
Lol.. I was just replacing my motor, pump and hoses today. ordered both seals from Gmc Paul
https://gmcpauls.com/windshield_wiper_related.htm
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Doug  71 Sierra Grande C25 16 Sierra 2500HD All Terrain 23 Chevy Tahoe Z71 https://paypal.me/digdug7131?locale.x=en_US |
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05-08-2023, 12:20 AM
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#3 |
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Registered User
Join Date: Apr 2014
Location: California
Posts: 927
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Re: Wiper motor seal
oh wow I thought they were sealed with seam sealer. Guess now I know what I need to buy.
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05-08-2023, 12:38 AM
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#4 |
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Registered User
Join Date: Apr 2014
Location: Azle,Texas
Posts: 2,248
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Re: Wiper motor seal
I'll be reinstalling my wiper motor soon also... The GMC Pauls website shows 2 different seals. I'm under the assumption that a truck would use both. One that seals around the shaft on the motor and one that would sandwich between the cowl and the wiper motor. Does this sound correct? I'm wondering if one of the seals is an updated version over the original and only one is required.
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Brian 1972 C10, "Loyd", LWB to SWB, 5.3, L83/6L80e, 4:11 Tru Trac, Air Ride, VA, DD, 20" Coys, 4 wheel disc, A quick LS swap turned into a 6 year frame off resto-mod. |
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05-08-2023, 01:13 AM
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#5 |
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Senior Member
  
Join Date: Jan 2005
Location: CA
Posts: 5,327
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Re: Wiper motor seal
I installed those same two seals from gmcpauls, and they fit great. Was a big improvement over what was on there previously.
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05-08-2023, 06:18 AM
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#6 | |
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Senior Member
 Join Date: Mar 2000
Location: Rockville,In. USA
Posts: 3,718
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Re: Wiper motor seal
Quote:
Paul Jr @ GMCPauls |
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05-08-2023, 07:15 AM
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#7 |
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Senior Member
Join Date: Nov 2013
Location: East Tennessee
Posts: 2,112
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Re: Wiper motor seal
another successful install on the '67.....with the GMC Paul seals (both)
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1967 C10 Step side 1968 C10 Step side 1970 Chevrolet K/5 Blazer 1972 Chevrolet K/5 Blazer ............. 
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05-08-2023, 08:04 AM
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#8 |
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Active Member
Join Date: Sep 2010
Location: Ooltewah, TN
Posts: 160
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Re: Wiper motor seal
Great info, thank you. I’ll be doing this in the coming week or so and ordering from GMC Paul’s. Been trying to confirm what I needed for a while now without pulling it apart first : )
Posted via Mobile Device |
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05-08-2023, 11:30 AM
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#9 | |
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Registered User
Join Date: Apr 2014
Location: Azle,Texas
Posts: 2,248
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Re: Wiper motor seal
Quote:
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Brian 1972 C10, "Loyd", LWB to SWB, 5.3, L83/6L80e, 4:11 Tru Trac, Air Ride, VA, DD, 20" Coys, 4 wheel disc, A quick LS swap turned into a 6 year frame off resto-mod. |
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05-08-2023, 12:30 PM
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#10 |
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Senior Member
Join Date: Jul 2000
Location: North Texas
Posts: 3,435
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Re: Wiper motor seal
Thanks everyone. I just placed my order with GMC Paul's. I had zeroed in on them yesterday because they had the clearest description of the parts.
__________________
Mike 1969 C10 LWB -- owned for 34 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, AAW wiring harness, 5-lug conversion, 1985 spindles and brakes. 1982 C10 SWB -- sold 1981 C10 Silverado LWB -- sold, but wish I still had it! 1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming. Retired as a factory automation products salesman. Worked part-time over the years for an engine builder and a classic car repair shop. Member here for 23 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then! |
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