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No 1 piston outlet valve do not rock far enough

Valve on no1 piston do not rock far enough, the rockers been changed .the valves worked properly before lifters been change.it is as if the lifter do not lift high enough.

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Are you sure they are corect and is the tappit clearences correct dose it also have hydraulic tappits if so chech them out

Posted on Dec 30, 2013

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: How do I change the lifters on the valve train of my 2001 Ford Focus Zetec

There are no valve lifters...that's an overhead cam engine. don-ohio

Posted on Jan 17, 2012

  • 1118 Answers

SOURCE: 1987 Cad. Eldorado 4.1 Valves Out of Adj.

Did you put the push rods back in same as they came out? On some they have short and long, like short for intake and long for exhaust, or visa versa. Thats what it sounds like to me, you got the push rods in the wrong spots.

Posted on Mar 04, 2009

greezy_je208
  • 237 Answers

SOURCE: Lifter knock

you can tighten them down you will need a torque wrench and will also need to know the torque specs.

Posted on Dec 16, 2009

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What is the clearance between the rocker arm and the valve spring in a GM 2.2L motor


there is no specification for what you want
the valve clearance is between the end of the rocker arm and the end if the valve stem
the stem end is proud of the spring retainer so if your rocker arm is touching the spring retainer , you have a big problem as for the procedure it is set out in the workshop manual but if you don't have a manual it can be done like this
you will need the firing order of the engine first
now adjust no 1 piston valves when the next piston to fire has the valves in the rock position
that is the exhaust valve just closing as the inlet is just opening a bit of movement of the crank makes either valve move up or down
adjust no 1 piston valves
now move on to the next piston to fire and adjust the valves that were rocking
follow that procedure until all the valves are adjusted
for example
on a 4 cylinder engine with a firing order of 1--3--4--2
bring up no 1 piston and adjust the valves when the valves on no 3 piston are rocking
next piston to fire is no 4 so adjust no 2 piston valves
next piston to fire is no 2 so adjust the valves when no 1 valves are rocking
the procedure is the same for engines with any number of cylinders

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1 Answer

Where can I get a manual for some model Daihatsu?


take no 1 plug out and watch the rockers for no 1 piston when the rockers are both on the back of the cam , ( valve clearance ) place a piece of wire in the plug hole to touch the top of the piston and as you carefully move the piston towards tdc the wire will move out until you get to a point where it starts to move back in
At the point where the wire moves out or in as you rock the crank at that point the TDC marks should be lining up
That is tdc no1 piston firing
also look at the other rockers and see which one is moving up (exhaust) and the other down (inlet) and that is the next piston to fire

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2 Answers

Need to adjust the valves on a 3.1 oldsmobile ciera.There is no mark on harmonic balancer.


there does not need to be marks on a harmonic balancer to adjust valves
when a piston is on tdc the valves will be either completely closed or in the valve rock position
when adjusting valve clearence you will need to know the firing order because when no 1 piston is ready to fire , then the next piston to fire will be in the valve rock position
for example if no1 piston of a 6 cylinder ( firing order 153642) is at tdc firing both valves will be closed and so the valves of no5 piston will be rocking so that will be the nect piston valves to adjust and after that no3 piston valves will rock so you do no 5 valves and so on
a workshop manual will explain it all to you

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I changed my timing belt on my 2002 1.6 ecotec opel astra cde. i got the timing belt marks wrong . how must the cam pulley marks be when i got the crank on tdc please.


remove the rocker cover and look on the ends of the cams ,their are slots and they align with the head ,i use my old spanner from my angle grinder its just about the right thickness ,lower pistons to the middle then set the cams ,make sure no1 the valves point up and outwards like a V victory sign then bring the no1 piston up to TDC ,i take the plug out and use a long thin screwdriver for this .then put the belt on

Dec 06, 2014 | Opel Cars & Trucks

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NEED PIC OF CAM LOBES OF WHERE THER SITTING AT IN ENGINE ON TOP DEAD CENTER.THE CAM SPROCKET ARE NO HELP THEY DONT HAVE KEY WAYS TO LINE UP SO THERE ERELVANT TO SETTING THIS PART BUT GREAT FOR THE SIT UP...


find no1 piston and remove the spark plug. loosen of the cam shaft bearings to prevent valve damage when turning engine . Turn the engine over by hand until the no1 piston is coming up on exhaust stroke ( find this by placing your finger over no1 plug hole and turning the engine over until you feel pressure under the finger. Watch for the timing mark on the crank pulley /Sprocket. Once you have established that the piston is at TDC rotate the crank 360 degrees as this will now be the exhaust stroke . Watch carefully the exhaust rocker and the inlet rockers for no1 piston as it is coming up to TDC. you will see that the exhaust rocker will be coming up and at a point the inlet will start to go down IT is at this point when a bit of crank movement either way rocks the ex and inlet together ( valve overlap) with the crank on TDC that the cam shaft will be timed to the crankshaft

Sep 14, 2014 | Cars & Trucks

1 Answer

Stalled the engine and now struggling to start and idle and making bad topend noise,as if valves are hitting pistons. Any suggestions?


If it starts then I would leave that possibility to last. I would remove the rocker cover and check the operation of the rockers as one may have slipped sideways and is not directly over a valve stem. t is also possible to check the valve timing with the rocker cover off. Turn the engine clockwise until the rockers on no 1 cylinder start to move watch these rockers and when you see no1 exhaust rocker start to come up then it will be getting close . Keep turning until you see the exhaust rocker stop moving up and the inlet no1 cylinder rocker start to go down. Move the crank back and forth until you get the position of movement either way moves either rocker. This is called valve overlap and if you look at the timing mark on the harmonic balancer pulley then the mark will be almost /on TDC
I would then run the fault codes as there may be other problems that caused the stall situation.

Aug 26, 2014 | 2006 Fiat Strada 1.6

1 Answer

Finding out how to find lost cam timing mark on a 1997 volvo 960


you are in a bit of a bind. Turning the engine over will result in bent valves so do not touch the crank shaft. you have to loose off all the rockers/ cam followers even to the point of removing the cam shaft. having done that remove no1 cylinder spark plug and by the use of a thin piece of wire turn the crank until the piston reaches top dead center. find this by rocking the crank back and forward until the piston dose'n move up or down check for the crank timing mark next replace the cam shaft and position the cam lobes for no1 piston in such a position that the inlet and exhaust valves move slightly up or down when the cam is moved slightly left or right. this is called valve over lap and with the piston on top dead center means that you now have valve timing for the engine. Cam timing marks can be dot on gear to shiny link on chain or if using a belt a dot on tooth lineing up with mould mark or join on head before starting up do a compression check to prove that there are no bent valves. if you are not mechanically minded enough to attempt the valve timing method it may be cheaper in the long term to let a qualified person do the job

Jan 05, 2013 | 1997 Volvo 960

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Hi, I have a 2004 chevy Aveo with a 1.6 liter engine, have timed the crank and cams per timing marks but the pistons are clipping the valves. Have verified the marks are lined up, I need some exact timing...


sounds like you turned it over with starter motor instead of by a rachet for the first 360? to make sure that the valves cleared ,another reason could be the valve seats were not lowered when the head was skimmed ,have you used the correct to lock cams and crank into position,normal cause of this is the crank moves when belt is tightened ,take no1 plug out and verify that piston is at tdc ,then check the valve positions both inlet and outlet cams should be pointing up and outwards (no rocker shaft) inlet just closed and exhaust moving round to open ,sorry iam so tired after working all day then two vehicles for transfer of ownership and the paperwork that entails ,well this is spain so iam haveing an early night in this time zone

Sep 22, 2010 | Chevrolet Aveo Cars & Trucks

2 Answers

There is a ticking sound coming from teh drivers side of the motor top end when i start it up when i drive it goes away but its there when i start it or ideling


In order to give you a solution to your problem, I need to explain a little bit about the valve train in your engine, the engine itself, and how it works.

1.You have an Internal Combustion engine. It is a Four Stroke engine. The engine has a Cylinder Block with cylinders inside. There is a piston for each cylinder which goes up, and down. The piston/s are connected to a crankshaft. The crankshaft turns the transmission, which in turn turns the driveshaft, to the rear differential. The rear differential has axles, which the rear wheels are bolted to. The four strokes are , Intake Stroke, Compression Stroke, Combustion Stroke, and Exhaust Stroke.

The piston goes down the cylinder drawing the fuel/air mixture in. (Intake Stroke) The Intake valve opens. The piston comes back up the cylinder, and Compresses the fuel/air mixture. (Compression Stroke) Both the Intake and Exhaust valve are closed. The spark plug fires igniting the fuel/air mixture, and shoves the piston down. (Combustion Stroke) Finally the Exhaust valve opens, and expels the burnt gases. (Exhaust Stroke)
This page on Wikipedia.org, may help explain the process. The third 'photo' down on the right is an animation showing the process.
http://en.wikipedia.org/wiki/Internal_combustion_engine
The animation shows an engine with an Overhead Camshaft. Your camshaft is located in the Cylinder Block, and not in the Cylinder Head, as shown.

2.Your Camshaft is a shaft with egg shaped lobes on it. As the tip of the egg shape comes to the top, it pushes up on a Hydraulic Lifter. This lifter in turn pushes up on a Pushrod, which pushes up on a Rocker Arm. The Rocker Arm in turn pushes down on either the Intake Valve, or the Exhaust Valve, opening them.

A Rocker Arm is shaped a lot like a See-saw. Just like the one's at a child's playground. As one side goes up, the other side comes down. The Pushrod pushes up on one side of the Rocker Arm, and the other side of the Rocker Arm pushes down on the valve, opening it.

A Hydraulic Lifter is a small cylinder that has a piston in it. Oil goes through a tiny hole in the side of the lifter, and this keeps the piston in a certain position. (That's why this lifter is named 'Hydraulic', because it uses oil inside) The Pushrod rests on this piston. The hydraulic action of the Hydraulic Lifter, keeps slack out of the valve train. The pushrod to rocker arm distance, and the rocker arm to valve distance.

What you are hearing, is a clicking sound from clearance being created, in-between the pushrod to rocker arm, and/or rocker arm to valve stem. A metal to metal clicking sound.

Solution? Depends on how mechanically inclined you are, or you may want to refer this job to an auto repair shop. The valve cover needs to be removed, and the nut on each rocker arm needs to be adjusted. Adjusting the nut down, (Clockwise), pushes the rocker arm down on the rocker arm stud, a little. This removes the slack, and makes things nice, and quiet again. Your engine will also run better, and you'll get better gas mileage.

DON'T do this, or have it down, and eventually the slack that is in there will increase. This will break parts! There IS a technique in doing this. If you know of someone who is good at adjusting valves, they can do it. They MUST be good however. If you adjust the Rocker Arm Nut too far down, you will lose power, and the exhaust valve face will burn. Not far enough down, and you get the clicking sound you hear now. About 1/4 turn down, to 1/2 turn down, should do it.

Jul 26, 2009 | 1998 Chevrolet S-10 Pickup

1 Answer

1995 Jeep Grand Cherokee 4.0l lifter adjustment


this is the way i adjust tappets remove all spark plugs


153
-----------
624
draw this on a paper

u start with no1 get the valves rocking which means turn engine over by hand til no 1 rockers one rocker is going up and the is going down u may have to turn the engine back and forth slowly
to see it . once u have no 1 rocking u can adjust no 6 valves adjust them with a little clearance so the push rod still spins freely

next look at chart
1 rocking adjust 6
5 rocking adjust 2
3 rocking adjust 4
6 rocking adjust 1
2 rocking adjust 5
4 rocking adjust 3

once u have made these adjustments recheck firing order 153624
try and restart engine if it starts the turn all rocker ajuster a further 1/4 of a turn and your done u may have too wait a bit of time for the liffters to bleed down after u do final adjustment if it dont start

hope it helps please leave rating and if u need more help let me know

Dec 19, 2008 | 1995 Jeep Grand Cherokee

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