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Timing on a 2.2 DOHC 4cyl saturn. 2001

Where to set the positions of the cams and crank when there are no marks on the chain.

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1 Answer

Timing chain marks needed for Audi A4 B9 1.8tfsi 2009 model. Engine was taken out and settings not marked. This is extremelyurgent. Please help


diagrams I have show a twin cam set up with 2 balancing shafts. The marks on the cam shaft point to (left cam shaft 11 oclock the mark on the right point to the 1 oclock position. The chain will have 3 black links-- the top black links will be at the timing marks on the shafts with the 3rd black link directly at 6 oclock facing a mark on the gear. The balancer marks both point to the 1 oclock position with black links on each and the 3rd black link will be facing a mark to the 7 oclock position on the crankahaft gear. Everything is done with the piston at TDC no 1 cylinder so get it there before you put the cam shafts in position or you will bend valves. Crank shaft gear is not keyed to the crank shaft. there are dots on the right hand balancer shaft gears and these dots will be as the 2 dots on adjacent teeth either side of a dot on the meshing gear. I suppose that is all as clear as mud but if you got this far then you will see the marks and marked links on the chains

Dec 22, 2013 | Cars & Trucks

1 Answer

I need a picture of the timing marks for Jeep 4.0


Timing the Cam to the Crank

There are several ways to time the cam to the crank. Be sure to check the manual before you install the timing chain or belt.

  • Some timing sprockets are properly timed when the marks face each other.
  • On others, there must be a certain number of chain links between the marks.
  • Sometimes chains have colored links that must be aligned with the marks on the sprockets.
  • Some overhead cams have a mark on the cam gear that lines up with a mark on the cylinder head when the timing mark on the damper is at the TDC mark.
Align the timing marks for the camshaft and crankshaft sprockets before removing the timing belt or chain.

If the old parts are available, carefully compare the new gears or sprockets with the old ones. Check the keyway and timing marks just in case there might have been an error made in manufacturing. Sprockets are sometimes stamped backward. Its much better to find the problem during assembly, rather than waiting until problems show up after reassembly and reinstallation.

Maintaining Valve Timing

During a valve job, it is essential to keep the timing chain or belt in place to maintain correct valve timing. Position the number one cylinder at TDC. Some overhead cam engines use a single long chain for a cam drive. The chain can be wedged against its guides with a tapered block of wood.
the chain tensioner on some ohc engines must be wedged to keep the chain in position during cylinder head removal. courtesy of nissan motors.

Some engines have a lower and upper chain. These engines do not require special attention to wedging the chain. Be sure to look for hidden head bolts and check the repair manual before removing the OHC head.

Dec 07, 2012 | 1989 Jeep Cherokee

1 Answer

I need help to set the timing on 1999 ford expedition 5.4l.


If it's valve timing you are referring to, follow these steps.

Orient the crank sprocket with the mark at the six o'clock position. Fold both chains in half, with the two copper links on one end, and the single copper link on the other end. (If there are no marks visible, you can make your own using paint, or other suitable marker that won't rub off)

Install the timing chain guides. Begin by setting up passenger side bank cam, with the single copper link lined up with the mark on the crank sprocket at the six o'clock position, on the INNER gear (the one closest to the engine). While holding the cam with vise grips, route the chain with the two copper links lining it up to the mark on the cam sprocket (sprocket should be at around the 11 o'clock position). Install the right side timing chain tensioner, and torque to two 10mm bolts to spec.

Repeat above outlined procedure for the driver side bank cam (sprocket on this bank should be at around the one o'clock position).

Jun 14, 2011 | 1999 Ford Expedition

1 Answer

We are installing a timing chain in our 1995 Jeep cherokee sundown edition for the first time can you please send me the timing gear specs the motor is a 4.0 with air. thank you


By :"specs" I assume you need install position? To index the gears, whne you take it apart, turn the crank pulley 'till the timing mark aligns with the "0" on the timing scale. Don't turn the crankshaft again. When you are ready to install the chain, locate the mark on the crank gear and align the mark on the cam gear so they point to each other. The mark on the crank gear should be at 12 o'clock and the cam gear mark at 6 o'clock. Make sure when you put the cam gear on the cam that the location pin fits into the gear to position it correctly. Jeep recommends that after putting the chain and gears on, you rotate the engine by hand and place the crank mark at 6 o'clock and the cam gear at 3 o'clock, then count the number of pins in the chain (pins, not links) between those two points. There should be 15 pins. If you are rebuilding the engine and have the cylinder removed, it's a good time to check the front crank pulley (some have the outer ring move on the rubber). Put a piece of flat steel across #1 cylinder with a bolt through the steel extending into the bore center. Turn the engine by hand 'till the piston contacts the bolt. Make a mark on the pulley and turn the engine in the opposite direction till contact is again made. Your timing mark on the pulley should be exactly between the two marks you made. If not, make a new mark at that point and use that as your actual TDC reference. If it is radically off, replace the pulley.
When setting up cam position I always use a degree wheel. If you are installing an aftermarket cam
its important to do that. If you're just replacing a stock chain, You will be fine with the method I've outlined.

May 16, 2011 | 1995 Jeep Grand Cherokee

1 Answer

I have done engine overhall for my mazda 6 2003.i want to know how set timing and the timing marks?


there are special tools pin to lock crank in correct position and cams have flat plate that goes across into both at rear of cams small section goes up from memory, the cam gears have no dowel pin/locating pin to camshaft you do bolts up last when all are locked in position and grenade pin (locking)pin in tensioner is removed and chain is tight then hold cams with shifter or spanner(wrench) on cam flats and do up cam gear to camshaft bolts on each cam.
hole in front cover just above crank pulley at 11O clock, blind blanking plug must be removed to put in chain tensioner pin, crank blanking plug on your left side when looking at crank pulley(side of block) remove and locking pin goes into there when at TDC no1. and cams should be in position to lock with plate as described above.may not be any timming marks on chains or gears due to the locking tools needed and relied on for correct position.
good luck if you feel confident.
some Mazda dealerships may lend tools if you ask nicely or know some one.

Mar 10, 2011 | 2003 Mazda Mazda6

1 Answer

Changed timing chain and need to align to cam with the crang


Align the chain with the colored links on the chain over the marks on the cams.Twin cams Have a small hole on the cam gears that will align with a hole in the front of head.Crank Gear has a pip mark that goes straight up.colored links on crank go to the 5 & 7 Oclock position on the lower crank gear with pip mark on crank gear at 12:00.Hope this helps

May 22, 2009 | 1995 Saturn Sl

2 Answers

Need cam timing specs 22r toyota truck


there will be two highlighted or dotted chain links for the camshaft and one for the crankshaft gear, position cam dot/TDC indicator in the 12-O clock position, the two dotted links should be on ether side of cam dot, turn crank dot to the 6-O clock position and line up highlighted link with dot on crank gear, if timing cover is on, then make sure cylinder 1 is at TDC when the two links are at 12-O clock.

Apr 08, 2009 | 1983 Toyota Pickup

2 Answers

Specs


Well I just looked up the specs for you for the 2.7 ltr. I hope this is what you want.
Cam Caps 105 in.lbs.
Cam Sprocket 250 in.lbs.
Crank Dampener 125 ft.lbs.
Cylinder Head Cover 105 in.lbs.
Here is an illustration of the timing chain set up. Be aware these marks are lined up with the three sets of plated links on the chain. You should easily identify them if you have a new chain. You may have to clean an old chain to see them.
Good luck with this and let me know how it goes for you.
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Mar 26, 2009 | 1999 Dodge Intrepid

1 Answer

91 chevy G20


well not sure exactly why it wont line up use something to turn the crank and cam to appropiate position start sliding crank gear until cam gear is touching then start to push both at same time make sure your crank key and cam pin are bothin place On many OHV pushrod engines, the crankshaft sprocket is installed on the crankshaft nose and the crankshaft is rotated to position piston #1 at TDC. At this point, a mark stamped onto the crankshaft sprocket is pointing directly upward (toward the camshaft).
The camshaft sprocket is then temporarily bolted to the cam and used to rotate the cam until a mark stamped on the cam sprocket is pointing directly downward (toward the crankshaft). The sprocket is then removed from the cam (without allowing the cam to rotate).
The timing chain is looped over the cam gear, the mark on the cam gear is positioned directly downward, and the chain is looped around the crankshaft sprocket. When the cam sprocket is attached to the cam, the timing marks on the crank and cam sprockets should be pointing toward one another.

Feb 10, 2009 | 1992 Chevrolet G20

1 Answer

Point tha chain timer altima 94


if you mean the timing chain then on your crank gear and your cam gear there will be a mark on each sometimes they look like a dot the dots need to look like this for perfect timing ( . . ) this will be there closest position. Your crank turns once all the way around (360 degree) and your cam gear will do two complete revolutions to the one of the crank gear. so when you set your marks as above when you turn the crank one half turn the mark on the crank gear will be at the bottom and at the same time your cam gear will have made one complete revolution, so when you turn the crank another half turn your cam would have turned again a complete revolution and the two marks should be at their closet point again.

Jan 08, 2009 | 1993 Nissan Altima

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