What is this under my car, Duct tape covering hole? |
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What is this under my car, Duct tape covering hole? |
tmc914 |
Jul 8 2018, 05:39 PM
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#1
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Member Group: Members Posts: 116 Joined: 24-September 17 From: Lowell, MA Member No.: 21,452 Region Association: North East States |
Hi all, trying to get my car all sorted out and was wondering if anyone knows what this duct tape is covering up? There is one on the passenger side and another on the drivers side under the car near the engine. Is this something to do with the heating system? The heating system doesn't work and I know I will need to add parts like hoses and flappers, the car does have heat exchangers.
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barefoot |
Jul 9 2018, 04:44 AM
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#2
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Senior Member Group: Members Posts: 1,323 Joined: 19-March 13 From: Charleston SC Member No.: 15,673 Region Association: South East States |
Here's what's supposed to be there, the ducts that send fan air into the heat exchangers that goes for cabin heat. When he flappers are closed (no cabin heat, the hot air in directed down under the car.
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bdstone914 |
Jul 9 2018, 07:01 AM
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#3
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bdstone914 Group: Members Posts: 4,688 Joined: 8-November 03 From: Riverside CA Member No.: 1,319 |
Here's what's supposed to be there, the ducts that send fan air into the heat exchangers that goes for cabin heat. When he flappers are closed (no cabin heat, the hot air in directed down under the car. That looks like an AA picture with the wrong J tubes. Everything else is the 70-74 style parts. The J tubes pictured are75-76 square ones. It has been shown that it is better to leave them open if you do not have the heater parts to hook up. Blocking them creates air flow disruption to the engine. They are supposed to blow some air thru the heat exchangers atall times. When the heat is not on the air blows thru the heat exchangers and out the flapper valves to prevent a high temperature build up. Just remove the tape and you are fine. You are also missing the warm air guides that are the plates that go between the engine block and heat exchangers. The one on the drivers side helps with the thermostat operation by blocking under car air from mixing with the warm engine air. If you want heat I have the S branches, J tubes, flappers and related parts. Did they block the large holes in the cylinder tin for the J tubes ? If not the engine fan will suck hot air from below which is not good. How about a top picture of the engine. I bet other parts are missing. Bruce |
tmc914 |
Jul 9 2018, 07:19 PM
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#4
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Member Group: Members Posts: 116 Joined: 24-September 17 From: Lowell, MA Member No.: 21,452 Region Association: North East States |
Hi Bruce, yes I am missing the top parts as well. It seems like a simple fix but not all is clear on how all the parts go together. It seems that if I buy all the parts and do a dry fit then only a few questions should remain (like how to hook up the flapper but I can see the cable in one of the earlier pics for that. The picture from AA is very helpful to visualize the parts. Do you have a website or should I email you to figure out all the parts I need to order? Everyone has been so helpful. Here is a picture of the top side.
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