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banjoman09 Tractor Expert
Joined: 13 Jul 2016 Posts: 1841
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Posted: Mon Apr 02, 2018 6:47 pm Post subject: Brake Booster.....F-600.......1970 Ford |
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Not sure what to do on our old truck- 1970 F-600....step on brake when running and try"s to kill engine; no boost assist to booster...or to brakes; hard pedal. How do I check this ? Thanks. |
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Janicholson Tractor Guru
Joined: 30 Jan 2004 Posts: 30308 Location: St. Cloud, MN
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Posted: Tue Apr 03, 2018 5:54 am Post subject: Re: Brake Booster.....F-600.......1970 Ford |
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The booster diaphragm is ripped or holed. This allows the engine vacuum to suck in air and causes the mixture to lean out and kill the engine. Test it by disconnecting the booster hose from the booster, and plug the hose. if it now lets the engine run correctly, Replace the booster. Jim |
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ADB-Ia Regular
Joined: 22 Jan 2007 Posts: 463 Location: New Sharon, IA
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Posted: Tue Apr 03, 2018 8:01 am Post subject: Re: Brake Booster.....F-600.......1970 Ford |
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In a post from last summer you mentioned finding an old "50 F2 Ford. Is that old truck still there and if it is, where are you located? ADB-IA |
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used red MN Long Time User
Joined: 24 Aug 2013 Posts: 1188 Location: Coon Rapids, MN
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Posted: Tue Apr 03, 2018 9:16 am Post subject: Re: Brake Booster.....F-600.......1970 Ford |
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What Jim said. Should have a breather in the cab behind or under the seat a line comes back from the hydro-vac...booster..!that is drawing in the vacuum that is leaking through. Just info so you are aware it needs to be kept clear. The issues is probably what Jim suggested. |
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banjoman09 Tractor Expert
Joined: 13 Jul 2016 Posts: 1841
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Posted: Tue Apr 03, 2018 10:40 am Post subject: Re: Brake Booster.....F-600.......1970 Ford |
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yes...answered on Tractor talk  |
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banjoman09 Tractor Expert
Joined: 13 Jul 2016 Posts: 1841
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Posted: Tue Apr 03, 2018 10:42 am Post subject: Re: Brake Booster.....F-600.......1970 Ford |
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Thanks Jim..I should know this but been a long time...I will check:) |
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