 Mystery intake/outlet in engine bay 74 2.0 |
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| Marcel Aircooled |
 May 21 2024, 12:09 PM
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#1
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Newbie  Group: Members Posts: 41 Joined: 28-April 24 From: The Netherlands Member No.: 28,087 Region Association: Europe  |
Does anyone know what should connect to this black steel pipe coming from the engine tin on the driver's side?
 It is not for the hoses from the charcoal canister. Those are both connected. BTW my car is a 73 and the engine is a 74 2.0 GA engine Thanks! |
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| BillC |
May 21 2024, 01:00 PM
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#2
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Senior Member Group: Members Posts: 550 Joined: 24-April 15 From: Silver Spring, MD Member No.: 18,667 Region Association: MidAtlantic Region 
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According to my copy of the '73 2.0 vacuum hose routing guide, that port provides pressurized (ish) air to the charcoal canister. The other hose from the canister gets connected to the top of the air filter housing.
I don't remember my previous '73 1.7L having that port; I'm pretty sure the pressure side connected somewhere else (don't remember exactly). |
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| Marcel Aircooled |
May 21 2024, 01:09 PM
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#3
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Newbie Group: Members Posts: 41 Joined: 28-April 24 From: The Netherlands Member No.: 28,087 Region Association: Europe |
QUOTE(BillC @ May 21 2024, 09:00 PM)  According to my copy of the '73 2.0 vacuum hose routing guide, that port provides pressurized (ish) air to the charcoal canister. The other hose from the canister gets connected to the top of the air filter housing. I don't remember my previous '73 1.7L having that port; I'm pretty sure the pressure side connected somewhere else (don't remember exactly). I was told this before but, like I said in my first post, they are both connected. One is connected to the right side of the cooler; see red line in below picture  The other one is connected to the air filter housing like you said  So I still have the small pipe on the left side unused.. |
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Posts in this topic
Marcel Aircooled Mystery intake/outlet in engine bay 74 2.0 May 21 2024, 12:09 PM
GregAmy Dunno what its original purpose was but it's b... May 21 2024, 12:32 PM sportlicherFahrer The port on the driver's side tin is correct f... May 21 2024, 01:25 PM
scallyk9
The port on the driver's side tin is correct ... May 21 2024, 01:33 PM
wonkipop
The port on the driver's side tin is correct... May 21 2024, 07:05 PM Marcel Aircooled
The port on the driver's side tin is correct ... May 21 2024, 01:37 PM Marcel Aircooled BTW any advise on what to use best to plug the por... May 21 2024, 02:24 PM sportlicherFahrer A standard rubber or silicone vacuum port cap that... May 21 2024, 02:57 PM Marcel Aircooled
A standard rubber or silicone vacuum port cap tha... May 21 2024, 11:16 PM |
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