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CIS FP removal using common tools.
Recently a few PP members had encountered some difficulties removing their fuel pumps from the car and prompted numerous responses and suggestions. Due to the odd design of the Bosch fuel pumps commonly used in CIS, it is not easy to remove the banjo cap with the FP installed in the car.
I was having a cup of coffee watching TV this morning when suddenly out of no where an idea pop into my head. Went down to the basement and picked up a spare FP sitting on my work bench. I was totally surprised to see how a common tool (14-mm box wrench) could easily solve our nagging problem. The wrench easily slides over the blue plastic insulator and keeps the FP from turning. See pictures below:    Sometime we over think to solve a simple problem like this one. So next time you need to do a similar task, just pick up your favorite 14-mm box wrench in your tool box. Tony Last edited by boyt911sc; 08-28-2022 at 05:14 AM.. |
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08-28-2022, 04:58 AM
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Love it!
__________________
Instagram: @TuitTech |
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08-28-2022, 07:31 PM
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Grab the body of the pump with a large pair of channel locks and use a wrench on the banjo nut. DONE….
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08-28-2022, 08:10 PM
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Join Date: Jul 2012
Location: Mississippi
Posts: 2,354
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Tony, let me start by saying I really appreciate the knowledge and help you share with us on the forum.
That being said, I get to bust your chops.  Why the new thread? Had you included this in the current thread it would have made for an easier archival search resolution on the forum. I'm hoping the 14 mm box end wrench would fit over that post when the pump is all mocked up with cap nut, sealing washers and banjo fitting. The "straight shot" you have now is fine and dandy, but is it realistic when things are in the car? Regarding your photo, I think that if you have space in the car to rotate the box end wrench 90 degrees +/- downward, then perhaps that would be a good way to hold the pump to tighten the cap nut down since both the threads of the cap nut and the check valve are rotated the same direction to tighten. However, as for loosening the cap nut per your photo, you are counting on the threads of the cap nut giving up before the threads on the check valve assembly into the pump give up. I still think holding the pump by the flats on the check valve assembly is the way to go here. A distant second would be holding the banjo fitting. A distant third would be holding the pump. Thoughts? Last edited by SCadaddle; 08-29-2022 at 09:04 AM.. |
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08-29-2022, 08:57 AM
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