Question about 1986 Nissan Pickup 4WD 1986

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Tdc d21 I would like to know top dead center on d21 I assume compression on intake side and mark lined up

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6ya6ya
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Posted on Jan 02, 2017

stormbrewin
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SOURCE: INSTALLING A TIMING CHAIN ON A 1998 ALTIMA

Both intake and exhaust ,cam lobes,should be pointing downward.There should be no lift on the rockers

Posted on Nov 28, 2008

ewashmidas
  • 362 Answers

SOURCE: Fitting n13 timing belt

A 1990 Nissan Pulsar has a timing chain, not a belt. Here is the picture.
a4e2a04.png

Posted on Mar 14, 2009

Shorty1_wt
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SOURCE: 1999 pathfinder: what mark on the crankshaft pulley is the TDC

try using a long screw driver in the #1 plug hole, I have had to do this many times myself.

Posted on Jan 29, 2010

  • 89 Answers

SOURCE: on a 2.4 , how

timing marks should be aligned, together faceing each other,

Posted on Sep 08, 2011

markmayes66
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SOURCE: i want to know how and were to line up marks on the twin cams on a 2.o engine

local autozone can print you out a diagram showing how to do it at no cost,,, in some cases if there are no timing marks on the cams you will have to remove valve pan cove to preform timing of cams.....hope this helps and if so Please rate my post and good luck and if more help is needed fill free to contact me.

Posted on Aug 16, 2012

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1 Answer

When setting valve timing at what degrees crankshaft pulley mark be?


Finding TOP DEAD CENTER (TDC) Casually

mgaguru.com/mgtech/engine/cs111a.htm
Other times it needs to be a bit more accurate, like setting the crankshaft straight ... assembled engine, and you can use the timing mark on the crankshaft pulley to ... are 360 degrees apart, or offset by one complete rotation of the crankshaft. With TDC on the compression stroke the intake and exhaust valves are both closed.

Finding top dead center on No.1 cylinder when timing marks ...

answers.edmunds.com > Edmunds Answers
Feb 21, 2010 - The crankshaft on a 4 cycle motor in never 180 degrees off between ... Because of this; the timing mark on the crankshaft pulley will be in exactly the same ... So it isn't necessary to know that distinction when setting ignition timing. ... If the exhaust valve spring is about to become fully relaxed, while the ...

Nov 14, 2015 | Cars & Trucks

1 Answer

I removed rocker arm assembly and did not line up timing marks did i waste the car 2005 dodge neon sxt


Take off the intake side, then set the #1 cylinder to top dead center. When you install the cams, set them close to where the marks should be. Alignment is critical when you put the belt on. After the belt is on turn the engine two revolutions by hand and recheck/reset your marks. Every time you reset it, turn the engine again and recheck marks.

Jan 25, 2015 | Dodge Cars & Trucks

1 Answer

Instruction changing timing belt 1979 Alfa Romeo Spider Veloz?


With Cam Caps loosened, FIRST loosen timing chain tensioner, press it in to loosen tension, Crank using ratchet to TDC (Top Dead Center on crank pully, (to keep from damage to pistons), align Exhaust Cam Timing Mark to mark on #1 Exhaust cam cover, then take up slack between Exhaust & Intake Cams (on top between the cams), Then align the Intake Cam to mark on #1 Cam Cap, "Now" loosen the 17mm bolt to tighten timing chain, rotate engine using rachet two times, reset TDC at the crank, and look at "Cam Timing Marks on both the Exhaust, and Intake Cams. If you did all this correctly the "Timing Marks" should be lined up so TDC,Exhaust, and Intake marks are all the same.

Oct 10, 2014 | 1979 Alfa Romeo

1 Answer

How to find top dead center on the compression stroke of a 1987 toyota 22re


there are many ways. (ill assume the damper pulley marks are ok)
1: valve cover off, watch valves #1, all closed at mark is TDC firing.
2: with cam cover off, front of engine watch the marks. per FSM>
3 the blow rag out of the spark #1 hole trick. ask.:
4: the compression gauge trick. max press at TDC is TDC true.
micky mouse can stick is finger in the spark hole and feel the the intake valve but not me,,,, ok, way 5 a bore scope.......

Jan 20, 2014 | Toyota Pickup Cars & Trucks

4 Answers

When setting timing after broken timing belt, how do you know when # 1 is at TDC with both intake and exhaust valves closed? What is TDC?


TDC is an acronym for Top Dead Center. It is when the piston has reached the very top of its travel and there is nowhere for the piston to go but down. If you align the timing marks on the engine, the piston will be at TDC with the valves on #1 closed.

To position your crankshaft and cam to the correct position, it should be done BEFORE removing the belt if possible. If the belt has already been removed and/or the belt was broken, the same principles apply, but you will have to go about it completely different.

Turn the engine clockwise to align the "O" on the crankshaft pulley with the "O" on the outer timing belt cover.
Remove the plug in the outer timing belt cover and look through the hole. The timing marks on the camshaft pulley should align with the cover pointer. If they do not align, rotate the crankshaft one full revolution and align the "Os" again. They should now align. When every thing is lined up like this, your engine is timed to #1 at TDC and the valves on #1 cylinder will be closed.

Now if the belt has already been removed or if the belt was broken, You may have to temporarily put the outer cover back on. You may have to put it on and take it off several times until you get things lined up. Time the crankshaft "Os" first. It will not matter which rotation you are on if the belt is not installed. (TDC is TDC - the piston doesn't really care where the valves are - that's the camshaft's problem LOL)
After the crank shaft is lined up, turn the camshaft so the timing marks line up with the pointer. Then remove the front cover and install your belt.

After setting the timing belt tensioner, rotate the engine two full turns clockwise and recheck to make sure that all the timing marks still line up. If they do not - repeat the procedure.

May 13, 2011 | 1994 Ford Ranger Supercab

1 Answer

Where is tdc on my 2001 dodge ram 1500


top dead center
ok look at your damper pulley its the pulley at the bottom of the motor
the damper pulley has a line cut in it
line the mark up with the degree marks
you want to put it on the zero mark
once you have done this you are on top dead center
also number one cylinder must be on a compression stroke
pull spark plug number one turn the motor over with your finger
over the hole when you feel compression that's when you line
up the marks.

hope this helps you
good luck
bob

May 06, 2011 | 2001 Dodge Ram 1500 Truck 2WD

2 Answers

On the ford 1996 mustang crankshaft pully you have10,0,10 ,20 which 10 is the TDC engine 3.8


Niether, 0 Is top dead center. The numbers to the left are before top dead center, number to thr e right are after.

Feb 05, 2011 | 1996 Ford Mustang

1 Answer

Okay. I'm fixing my 1994 Saturn SL2 timing chain and I did everything the directions told me, but the timing marks aren't lining up correctly. I don't know what to do. Please help me.


It is not rare for people to have problems with engine after replacing the timing belt. In all my cars I do it by myself. It is not impossible, but you will spend more time than a professional. If you decide to do it by yourself, then get the Haynes Repair Manual (Based on a complete tear down and rebuilt), specific for your car. I have one for each of my cars. Go to the part Engine, and use the chapter Timing belt removal inspection, and Top Dead Center (TDC) location, and put the number one piston at TDC on the compression stroke. This can be found by putting the thumb over the spark plug hole and the pressure will push your finger upward till piston reaches the upper point. You have the crank shaft with a wrench. Now you are in compression stroke. To locate Top Dead Center Location, this can be done by inserting a long blunt object into the spark plug hole. Note the point where the object stops moving out this is the TDC.
Are you sure that the piston at cylinder N#1 is at TDC on compression stroke. Please check it out, and if not correct.The timing marks can be lining up correctly, ONLY if the piston at cylinder N31 is at TDC in compression stroke. I repeat again in compression stroke.

Oct 24, 2010 | Saturn SL2 Cars & Trucks

1 Answer

I need to know how to set my cam in time so my car will start



to begin with timing a camshaft, the motor needs to be set at top dead center of the compression stroke. If you are unsure what this means, remove the valve cover on the driver side, rotate the crank pulley with a 32 mm socket, until you see the intake valve, which is the second valve spring, begin to compress. When I say compress, this means the valve spring is opening the valve. As the valve spring begins to close, the piston will be approaching the top of its travel. The crank shaft pulley/harmonic balancer, will have a mark to indicate top dead center on the timing cover. This Mark will align with the TDC mark on the timing cover just after the intake valve spring closes. Next, using a half inch wrench, remove the distributor and set to the side. With a flashlight, look down inside at the oil pump driveshaft. It will have a slot in the center of the gear. This slot should be pointing towards the number one intake manifold bolt hole. It will almost be front to back.


If it is not, using a long flat blade screwdriver, rotate the oil pump driveshaft clockwise until the slot lines up with the number one intake manifold bolt hole. Reinstall the distributor and snug the half inch bolt down. The rotor should be pointing towards the number one cylinder mark on the distributor plate. Reinstall the distributor cap and try to fire the motor over.

Sep 21, 2010 | 1994 Nissan Altima

1 Answer

How to set timing mark


Timing mark is appearing with number 0 and line marks on the area near the pulley crankshaft.
The crankshaft pulley mark has to be lined up with the cam shaft mark and the piston # 1 has to be on top position providing its intake and exhaust valves in close position. This is called TDC ( top dead center). It sounds complicated to understand, but it is simple to imagine like this: All valves are closed and Piston #1 is up at high position to make a peak compression and a spark ignites to make a compression pushing the piston down to make a stroke. Hope this can help.

Nov 19, 2009 | 1998 Mazda Millenia

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