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Old 06-05-2021, 06:30 PM   #1
MikeB
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Evap emissions canister on 69 C10?

I'm working on my son's truck which I actually drove for 20+ years before I gave it to him. He's had a couple guys work on it since then. Seems to me at one time it had an evaporative emissions canister, located behind the core support on the driver's side, but it doesn't now. Am I right, or were those not installed until later years?
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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; 06-05-2021 at 06:41 PM.
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Old 06-05-2021, 08:16 PM   #2
BigBird05
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Re: Evap emissions canister on 69 C10?

I don't remember those coming out till 71.
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Old 06-05-2021, 10:47 PM   #3
Steeveedee
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Re: Evap emissions canister on 69 C10?

The fuel vapor recovery canister was not installed until 1970. I won't say that that is a hard-and-fast rule, but I never saw one on a '69 vehicle. This is a game where some rare things happen, though.
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Old 06-06-2021, 01:36 AM   #4
Accelo
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Re: Evap emissions canister on 69 C10?

Quote:
Originally Posted by Steeveedee View Post
The fuel vapor recovery canister was not installed until 1970. I won't say that that is a hard-and-fast rule, but I never saw one on a '69 vehicle.


My 70 had one. However it was delivered new in California. You can tell as they required special fuel lines and they are rarely removed.
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Old 06-06-2021, 06:30 AM   #5
Bigdav160
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Re: Evap emissions canister on 69 C10?

And I thought they were on the passenger side --> mostly hidden
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Old 06-06-2021, 09:30 AM   #6
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Re: Evap emissions canister on 69 C10?

Yes, usually on top of the frame below/outside the battery. Few people ever changed the filter in the bottom of them. I sold a zillion of those when I worked as a mechanic, for that reason.
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Old 06-06-2021, 01:18 PM   #7
MikeB
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Re: Evap emissions canister on 69 C10?

Thanks guys.
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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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