Read me

89 ranger. · Nov 02 2009, 11:59am

Okay so I feel like my truck had been ticking more can anyone tell me if an 89 2.9l has adjustable rocker arms

Loneranger48 · Nov 02 2009, 03:56pm

just have the valves adjusted.

*Tumbler* · Nov 02 2009, 05:16pm

edit

89 ranger. · Nov 02 2009, 10:29pm

Okay I don't know if I have adjustable rockers in this truck. If I do how do I adjust my valves. Never done it

Psychopete · Nov 03 2009, 10:58am

Quote:

Posted by 89 ranger.

Okay I don't know if I have adjustable rockers in this truck. If I do how do I adjust my valves. Never done it

They are hydraulic, and in theory shouldn't need adjustment. But they are adjustable.

The procedure is getting them to 0-lash then 1.5-2 turns.

Too loose is better than too tight, better to not have a valve stuck open.

They also physcally cannot be adjusted while the engine is running due to where the adjustments are on the rocker arms (on the ends).

Pete

89 ranger. · Nov 04 2009, 01:01pm

okay so I wanna adjust them but dont really know how. Is it easier to have them adjusted or to do it myself. How much would it cost.

Psychopete · Nov 05 2009, 08:59am

Quote:

Posted by 89 ranger.

okay so I wanna adjust them but dont really know how. Is it easier to have them adjusted or to do it myself. How much would it cost.

You need to set the #1 cylinder to top dead on the compression stroke, get the intake/exhaust push rods to 0 lash, then turn 1.5-2 turns. Then you move on to the next cylinder in the firing order, and repeat the procedure. 1,4,2,5,3,6 is the order the cylinders will need to be adjusted in, turn the crank to move to the next cylinder in the firing order. TDC is when both valves will be closed, you do not want to adjust when there is a valve open.

If you're not sure, have someone do it because this will really screw your engine up over time if it's wrong. I would think somewhere between 2.5-3 hours of labor. It probably took me about 5, but I work slow.

Pete

volrath · Nov 05 2009, 01:14pm

slow and steady does good work.
hey pete. is 1.5-2 turns the updated adjestment? all data posted an update from ford. my old service manual said different though. i went with all data. ~mitch

Psychopete · Nov 05 2009, 03:13pm

I remember hearing that Ford put 4 turns in some kind of manual, but I haven't seen it. I'd really like to get a shop manual for my truck, they are awesome. I've read a few places indicating 1.5-2 turns, this is what I went with when I adjusted mine in. Even TRS on their 2.9L head replacement procedure lists 1.5-1.75.

Did some more digging and thought this was pretty interesting (at the bottom):

"AERA members should be aware that the 1986 Ford Manual for the Ranger and Bronco II incorrectly states the number of turns on the rocker arm adjusting screw to set the valve lash. The manual states that the adjusting screw should be rotated 4.5 turns. Ford Motor Company advises that the correct procedure is to rotate the adjusting screw 1.5 turns. Using the incorrect specification could result in valve damage."

http://www.rebuiltautoengines.com/fo...-articles.html

Pete

Nov 02 2009, 05:16pm	#3
Tumbler Built To Outlast Join Date: Jul 2009 Location: Pa Posts: 719 Friends: (0)	edit __________________ Freedom Isn't Free, Remember the Blood That Bought This Right. Semper Fi ..1998 Half Bagged.. Auto w/ 4.10's DEI remote start. Garmin Nüvi 205W Cobra XRS 9730 Silverstars Slam Specialties - 1998 Jaguar XK8 Drop Top v8 2002 Jeep Grand Cherokee Laredo 4.0 2008 Ford Focus-41MPG

Nov 05 2009, 01:14pm	#8
volrath me feel special! Join Date: Oct 2002 Location: menomonie Wi Posts: 565 Friends: (6)	slow and steady does good work. hey pete. is 1.5-2 turns the updated adjestment? all data posted an update from ford. my old service manual said different though. i went with all data. ~mitch __________________ 90 2wd ranger 2.9, 5 speed, 5/7 drop, 3.73 with ford trac-lock and other performance stuff................. 94 2wd ranger 3.0, auto, e-fan, Trush welded muffler, 1" body lift. Best mpg to date-25


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Nov 02 2009, 11:59am	#1
89 ranger. Riding high Join Date: Sep 2009 Posts: 34 Friends: (1)	Read me Okay so I feel like my truck had been ticking more can anyone tell me if an 89 2.9l has adjustable rocker arms

Nov 02 2009, 03:56pm	#2
Loneranger48 4x4 Join Date: Oct 2007 Location: Woolley Posts: 42 Friends: (0)	just have the valves adjusted.

Nov 02 2009, 10:29pm	#4
89 ranger. Riding high Join Date: Sep 2009 Posts: 34 Friends: (1)	Okay I don't know if I have adjustable rockers in this truck. If I do how do I adjust my valves. Never done it

Nov 04 2009, 01:01pm	#6
89 ranger. Riding high Join Date: Sep 2009 Posts: 34 Friends: (1)	okay so I wanna adjust them but dont really know how. Is it easier to have them adjusted or to do it myself. How much would it cost.

Nov 05 2009, 03:13pm	#9
Psychopete Psycho Pete Join Date: Jan 2005 Location: Indiana Posts: 872 Friends: (1)	I remember hearing that Ford put 4 turns in some kind of manual, but I haven't seen it. I'd really like to get a shop manual for my truck, they are awesome. I've read a few places indicating 1.5-2 turns, this is what I went with when I adjusted mine in. Even TRS on their 2.9L head replacement procedure lists 1.5-1.75. Did some more digging and thought this was pretty interesting (at the bottom): "AERA members should be aware that the 1986 Ford Manual for the Ranger and Bronco II incorrectly states the number of turns on the rocker arm adjusting screw to set the valve lash. The manual states that the adjusting screw should be rotated 4.5 turns. Ford Motor Company advises that the correct procedure is to rotate the adjusting screw 1.5 turns. Using the incorrect specification could result in valve damage." http://www.rebuiltautoengines.com/fo...-articles.html Pete