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Old 07-04-2010, 05:32 AM
LoneRanger07 LoneRanger07 is offline
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Join Date: Mar 2010
Posts: 14
Default valve adjustments 1990 ford ranger 2.9. HELP!!!!

i bought the books thats suppose to tell me the valve adjustments but i cant find a book that does if you know please help me
1990 Ford Ranger 4x4, 2.9,V6,lifted,stock wheels,engine bored 0.40,heads shaved 0.20, crank cut,totally restored everything new,and DAMN wat a fortune this thing was. Now i want to do a Bronco 2
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Old 07-04-2010, 05:54 AM
STL STL is offline

Join Date: May 2009
Posts: 23,331
Default Re: valve adjustments 1990 ford ranger 2.9. HELP!!!!

No valve lash adjustments is necessary on the 2.9 engine. The engine uses a hydraulic valve train to automatically maintain valve lash.

If you disassembled the engine, and the valve train parts were not kept in together, or there is a sound from the rocker arms while the engine is running.

This should be done on a cold engine.

1. On the cylinder to be adjusted, position the cams so that the tappets are in the base circle area.

2. Loosen the adjusting screws until a distinct lash between the roller arm pad and the valve tip can be noticed.

The plunger of the hydraulic tappet should now be fully extended under the load of the internal spring.

3. Carefully screw in the adjustment screws until the roller arms slightly touch the valves.

4. To achieve the normal working position of the plunger, screw in the adjusting screw 1 1 / 2 turns, equivalent to 2mm.
2005 Edge

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