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1970 Mark III Blower Motor Question & Update

Hi Bill,

I have a 1970 Mark III and the blower motor is making a noise. I have the 1970 shop manuals. I don't know if something changed between 1970 and 71 but I just don't see the recirc door assembly. In the Electrical book 34-05-13 there is a picture that just doesn't look like what I am seeing. I'm assuming you have to take the piece of side carpet out? Also what is so special about the blower motor? I see a lot of them available but it says w/o AC.

Thanks in advance for your assistance. The car has 49K miles on it. See attached picture.

Jim

mk-b.jpg

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Hi Jim -

The blower motor for a heater only and heat/ac car are one and the same for the 69-71 Mark III's (same part number for their respective years) although there was some design differences that we have seen during those years. Always compare before installing a replacement as some years use a different blower wheel. The removal procedure should be shown in your manual in the heater section if it is not shown in the a/c section. The recirc. assembly behind the rt. kick pad must be removed for access. Contact us for any further information or parts that you may require.

Sincerely,

Bill

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Hi Bill,

Thank you for your reply. Unfortunately the directions for the Mark III are sketchy and there are no pictures. It says remove the right cowl side trim panel. I'm assuming that means the little kick pad of carpet in the floorboard well? I've looked at it and there's not a lot of room down there so I'm hesitant to go ripping things up without really knowing where I'm going.

Any assistance would be a greatly appreciated.

Thank You,

Jim

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Hi Jim -

The manual is unclear regarding the blower removal procedure. We are sending you a drawing via email of the recirc. assembly that must be removed in order to gain access to the blower. As mentioned the right kick pad panel at the rt. cowl needs to be removed to expose the recirc. assembly. This assembly is held in place by several screws which will need a 3/8 inch socket to remove. One vacuum line and one wire plug will need to be disconnected as well. Removal of the glove box liner and possibly disconnecting the fuse box will be a visual aid in this removal. The blower is then held by one screw. After this screw is removed the unit is rotated counterclockwise to clear the tabs that hold it in place. Sometimes age and rust can make the rotation difficult therefore patience may be required. We hope that this helps.

Sincerely,

Bill