Valve lash 5.9 360

no year truck told or engine true name, 4HK1/?
cam lobes not pushing valve spring stem
set the lash to spec. now, then,.
turn the crank by hand put the LOBEs on he heals. of the cam to valve and set latch. repeat on all valves.
all 4 solid lifter engines the same way, using eyeballs. on lobes
there is a way to cheat but most noobs get lost doing that.
this is day1 covered in all ASE classes (engine day)
hands on,demo'd'

no question asked at all
how to?
what is? spec on lash, say lash or say valve gap adjustment.
Isuzu NQR 500 is a short to medium hauler?????
Diesel? 5.1L?
if no cam viable rockers do same thing, moved
see each one , TDC , both valves closed.
4hk1 engine?
first google hit is here on lash (revised)

http://www.engineprofessional.com/TB/TB010516-1.pdf

shows 24 thou on all 16v
best is to by the shop manual not use internet rumors
or search by real names like 4Hj1 engines, learn true engine name and search'

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How To Set And Adjust Valve Lash Like Pro Dragzine

How To Set And Adjust Valve Lash Like Pro Dragzine
should answer all your questions here.

its an Isuzu engine.
there are 3 engines.
4XE1, SOHC 1.6L (base)12valves
4XE1, DOHC , 1.6L same as above but now with 16valves.
4XE1, DOHC, 1.8L bends valves if belt snaps...
note the bad idea of ISUZU calling all 3 engine same name.
a horrid idea.
which one? the second was in USA and Canada only.
the second one was offered as the GSI. is yours that?

so I will attempt to guess for you, its the base engine.
(odds of coin toss)
toss #2, USA, SOHC
guess 3: did a new belt and want to do lash next. Cam belt>
No job stated so i guess 3 times.
Just lash.
SOHC 1.6L only (FSM book quote)
Check the valve lash between the rocker arm and valve stem on both the intake and exhaust valves on the number 1 cylinder, the intake valve(s) on the number 2 cylinder and the exhaust valve on the number 3 cylinder. If the valve lash on the intake valves is not 0.006 in. (0.15mm), adjust the valve lash. If the valve lash on the exhaust valve is not 0.010 in. (0.25mm), adjust the valve lash.

1.6L twin cam has shims.
1.8L has HLA , no lash to set.

HLA= Hydraulic Lash adjusters.

I posted this before, search for it. Im only doing 1 engine.

the 3.4l should have hydraulic lifters no valve lash will need to be set. is it tapping bad?

Hot Intake Valve Lash: 0.019"
Hot Exhaust Valve Lash: 0.019"

Cold Intake Valve Lash: 0.019"
Cold Exhaust Valve Lash: 0.019"

Setting valve lash while HOT is the preferred method. This was from a 1963 Ford manual,,

There is no valve lash setting. If you remove the cams, make sure the valves and the lifter cups stay in the same position.

Valve Lash ADJUSTMENT 1.6L Engines NOTE: Measure valve clearance with the engine cold.

1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
2. Remove the valve cover.
3. Set the engine to Top Dead Center (TDC) of the compression stroke for the cylinder to be adjusted.
4. Check the valve clearance. The valve clearance specifications are as follows:
   • Intake valves: 0.005-0.007 inches (0.13-0.17mm)
   • Exhaust valves: 0.005-0.007 inches (0.13-0.17mm)
5. After adjustment, tighten the locknuts to 11-14 ft. lbs. (15-19 Nm).
6. Repeat for each valve to be adjusted.

1.8L, 2.0L and 2.5L Engines The 1.8L, 2.0L and 2.5L engines utilize automatic hydraulic lash adjusters to maintain proper valve lash at all times. Periodic valve lash inspection and adjustment is not necessary or possible.

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

tiburon uses hydrolic lash adjusters there are no valve lash adjusting If you hearing a pecking sound on the top of the mtr try some oil additive or replace the hydrolic lash adjusters