need help adjusting rocker arm

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Nov 11, 2004 | 11:19 AM

86 Bronco

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need help adjusting rocker arm

alright, so last night i was working on the BII and i tried adjusting the rocker arm. i did the whole 1.75 turns, but when i started it up after everything was done, it sounds like its running an open intake manifold, and when you try to drive it, it dies out when you give it gas, i have a feeling thta one of my intake valves is adjusted wrong, but which one is intake and which one is exhaust, and also, does this mean i have it to tight, or to loose?? im gonna be working on it today, so any help is apreicated

Nov 11, 2004 | 06:21 PM

Ken00

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From: South Jersey

Did you have each cylinder at TDC when you adjusted it? It sounds like you have valves hanging open, don't run it until you fix it. You should be able to tell the exhaust ones by the exhaust manifold locations, I can't recall the order.

This might help... http://www.worldcastings.com/docs/03catalog/fordv6.pdf

Nov 12, 2004 | 12:18 AM

86 Bronco

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Thanks for your advice. I put it to tdc on the compression stroke for piston 1 and loosened the valve lash adjustment bolt untl there was a little bit of play between the rocker arm pad and the to of the valve spring, then did the 1.75 turns and the problem is the adjustment screw is all the way tight, could this mean that there is problems with the hydraulic lifter??? What does it mean when the lifter is collapsed, any help would be appreciated.

Nov 12, 2004 | 12:20 AM

86 Bronco

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Help Me You Guys Know What To Do!!!

im trying to adjust these valves on this bronco, i read the haynes manual and am doing everything to spec. I put it to tdc on the compression stroke for piston 1 and loosened the valve adjustment bolt untl there was a little bit of play between the rocker arm pad and the to of the valve spring, then did the 1.75 turns and the problem is the adjustment screw is all the way tight, could this mean that there is problems with the hydraulic lifter??? What does it mean when the lifter is collapsed, any help would be appreciated. im doing this now and its 1 oclock in the morning..i need help quick!

Nov 12, 2004 | 03:00 PM

Ken00

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From: South Jersey

You should start the 1.75 turns with 0 lash (play). Just making sure, you put each cylinder at TDC before adjusting that cylinder?

Does anyone have any comments on the on the adjusters screws.

Nov 13, 2004 | 10:41 PM

wolffpax

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There has been a manual revise on the valve clearance in the manual.
Article No.
91-5B-32

03/22/91

Carefully screw in the adjustment screws, until the rocker arms slightly touch the valves. To achieve the nominal working position of the plunger, screw in the adjusting screw 2 turns, equivalent to 2.5 mm(0.1 inches)