Here are some steps you can try to remove the retaining pin:
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# [link|https://cleaningtuts.com/how-to-clean-brake-caliper-guide-pins/|***Apply Penetrant Oil***: If the pin is stuck, spray it with some penetrant oil and let it sit for a few minutes before trying again|new_window=true]^^[link|https://cleaningtuts.com/how-to-clean-brake-caliper-guide-pins/|1|new_window=true]^^.
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# [link|https://cleaningtuts.com/how-to-clean-brake-caliper-guide-pins/|***Use Tools***: You can try gently tapping them with a hammer or using a pair of needle-nose pliers/wrenches to pull the pin out from the backside of the caliper|new_window=true]^^[link|https://cleaningtuts.com/how-to-clean-brake-caliper-guide-pins/|1|new_window=true]^^.
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# [link|https://www.youtube.com/watch?v=gEKF9cdnpLs|***Heat and Beat***: If the pin is rusted and stuck, you might need to apply heat to the area around the pin and then tap it out|new_window=true]^^[link|https://www.youtube.com/watch?v=gEKF9cdnpLs|2|new_window=true]^^.
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# ***Vise Grip Method***: Another method is to use needle nose vise grip clamped onto the pin from the rear as tight as you can get it. [link|https://www.st-owners.com/forums/threads/stripped-caliper-pin-removal.165916/|Then give the handle of the vise grip a tap with a hammer and the pin should loosen|new_window=true]^^[link|https://www.st-owners.com/forums/threads/stripped-caliper-pin-removal.165916/|3|new_window=true]^^.
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# [link|https://cleaningtuts.com/how-to-clean-brake-caliper-guide-pins/|Apply Penetrant Oil: If the pin is stuck, spray it with some penetrant oil and let it sit for a few minutes before trying again|new_window=true].
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# [link|https://cleaningtuts.com/how-to-clean-brake-caliper-guide-pins/|Use Tools: You can try gently tapping them with a hammer or using a pair of needle-nose pliers/wrenches to pull the pin out from the backside of the caliper|new_window=true].
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# [link|https://www.youtube.com/watch?v=gEKF9cdnpLs|Heat and Beat: If the pin is rusted and stuck, you might need to apply heat to the area around the pin and then tap it out|new_window=true].
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# ***Vise Grip Method***: Another method is to use needle nose vise grip clamped onto the pin from the rear as tight as you can get it. [link|https://www.st-owners.com/forums/threads/stripped-caliper-pin-removal.165916/|Then give the handle of the vise grip a tap with a hammer and the pin should loosen|new_window=true].
Please remember to be careful when working with these components as they can be under high pressure. If these methods don’t work, it might be best to consult with a professional mechanic.
As for the frozen caliper, it’s possible that the caliper piston is seized. If a C-clamp isn’t working to retract the piston, you may need to replace the caliper.
Here are some steps you can try to remove the retaining pin:
# [link|https://cleaningtuts.com/how-to-clean-brake-caliper-guide-pins/|***Apply Penetrant Oil***: If the pin is stuck, spray it with some penetrant oil and let it sit for a few minutes before trying again|new_window=true]^^[link|https://cleaningtuts.com/how-to-clean-brake-caliper-guide-pins/|1|new_window=true]^^.
# [link|https://cleaningtuts.com/how-to-clean-brake-caliper-guide-pins/|***Use Tools***: You can try gently tapping them with a hammer or using a pair of needle-nose pliers/wrenches to pull the pin out from the backside of the caliper|new_window=true]^^[link|https://cleaningtuts.com/how-to-clean-brake-caliper-guide-pins/|1|new_window=true]^^.
# [link|https://www.youtube.com/watch?v=gEKF9cdnpLs|***Heat and Beat***: If the pin is rusted and stuck, you might need to apply heat to the area around the pin and then tap it out|new_window=true]^^[link|https://www.youtube.com/watch?v=gEKF9cdnpLs|2|new_window=true]^^.
# ***Vise Grip Method***: Another method is to use needle nose vise grip clamped onto the pin from the rear as tight as you can get it. [link|https://www.st-owners.com/forums/threads/stripped-caliper-pin-removal.165916/|Then give the handle of the vise grip a tap with a hammer and the pin should loosen|new_window=true]^^[link|https://www.st-owners.com/forums/threads/stripped-caliper-pin-removal.165916/|3|new_window=true]^^.
Please remember to be careful when working with these components as they can be under high pressure. If these methods don’t work, it might be best to consult with a professional mechanic.
As for the frozen caliper, it’s possible that the caliper piston is seized. If a C-clamp isn’t working to retract the piston, you may need to replace the caliper.
Another helpful links:
[link|https://www.fordshopmanual.com/ford-truck-shop-manuals/1978-ford-truck-shop-manual-pdf-download/|https://www.fordshopmanual.com/ford-truck-shop-manuals/1978-ford-truck-shop-manual-pdf-download/|new_window=true]
[link|https://www.fordshopmanual.com/ford-truck-parts-catalogs/1973-1979-ford-truck-parts-catalog-pdf-download/|https://www.fordshopmanual.com/ford-truck-parts-catalogs/1973-1979-ford-truck-parts-catalog-pdf-download/|new_window=true]