WE tried to reset the timing after it jumped we have all the marks lined up on the pulleys gears and distributor. has new plugs new wires and distributor is also new. the truck will not start it has gas and fire what am i doing wrong
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There are a few ways and if I remember correctly, if you have a Module on the distributor you also have a wire sprout which must be disconnected to get base timing.
That being said, those modules still had a timing mark on the crankshaft damper and a timing mark pointer. You want to have the crankshaft visibly marked and the pointer at the DEGREES recommended for the motor. You will see TDC on most dampers and then advance it maybe 6 degrees as marked.
Assuming you are close to begin with, AFTER lining up the parts as recommended, mark the distributor #1 plug position on the cap to distributor housing so that the #1 plug terminal is known when the cap is temporarily removed, wires intact.
Then see where the rotor is pointed and remove the distributor and clock the rotor to align with the mark you put on the distributor housing. If you have a gear drive, the gear will need to be moved slightly for the rotor to twist into place when the distributor is seated. With a timing light, check where the spark is occurring for #1.
You may be close enough for the engine to start.
Other ways involve removing a plug(#1) and turning the engine until compression pushes your finger away from the cylinder hole. Line the timing marks up per specs, do the same process for the distributor rotor and try it again.
If this still does not produce the results you want, make sure the plug wires were not switched. Finally removing the valve cover to observe when intake and exhaust are both closed will help, but it is a lot off unnecessary work to be avoided.
Is it possible to turn the distributor shaft 180 degrees and reinstall the dist ? I am assuming you have spark at the plugs, just not at the right time ? If the distributor has not been moved, and the rotor points to the wrong wire, you could have put the cam gear in upside down ?
You need a diagram of the Distributor so you know where the Number 1 is at on the Distributor. You said you reset the Distributor and that is why you need that. You need to remove the distributor, re-align the cam so it is on teh number one compression, Both valves closed with the next cylinder in the firing order having the intake valve open and exhaust valve closed, and reset the #1 Piston to Top Dead Center on the compression stroke. Line the marks on the gears up and put the timing chain/belt back on. Reinstall the Distributor with the rotor position just before the Number one position on the Distributor. This should give you a good starting point that the engine will start from so you can adjust it the rest of the way. The best reference I can think of for all of this is the Haynes or Chilton's repair manual on your vehicle. They are available at most Auto Parts Stores. Good Luck.
if you havn' t done it before best to get an experienced technician to do it. [critical part, can cause major damage if incorrectly fitted]. before removing belt line up timing mark on crankshaft pulley with arrow on timing belt cover. remove inspection plug on top of gearbox bell housing. v cut away on fly wheel should be lined up with notch on g/box housing. timing mark on inside of camshaft pulley must line up with top of cylinder head surface at front of head. if distributor fitted, remove cap . rotor should be pointing to mark on distributor housing. remove old belt, fit new keeping timing marks in same positions. tension cambelt. should be able to turn belt 90 degrees side ways between cam pulley and intermediate pulley if tension is correct. reset ignition timing on completion.
Cylinder #1 at top dead center. Mark on the camshaft gear is straight up,as referenced to engine. Note that the engine tilts to the rear so reference the flat line of the head for 12'oclock positioning of cam timing mark.Distributor rotor points to #1 cylinder. If you have crankshaft pulley off, and can see the timing mark there, it should be straight down with #1 at TDC. After reassembly, start engine and jumper E1 and TE1 in the diagnostics box. This gives a smooth steady idle. Use timing light pointed at crankshaft pulley and hooked to #1 cylinder spark plug wire to check. Loosen distributor's 2 mounting bolts enough to turn it. Adjust as necessary. If you are having trouble seeing the notch on the crank pulley, get a white paint pen to increase it's visibility. Reference the rotating pulley mark to the stationary mark on the lower timing belt cover.
OKAY, THE BEST WAY TO NOT BEAT AROUND THE BUSH IS,
(1) REMOVE FRONT SPARK PLUG, STICK A SCREW DRIVER TO FIND THE EXACT TDC. (2) TIMING MARK ON CRANKSHAFT, MAKE SURE TS EXACT ON "0". IF THOSE TWO DONT SHOW ON THE EXACT MARK THE TIMING IF OFF.!!! THEN TAKE IT APART AND MAKE SURE THOSE TOW ARE ON THE DOT. -- TDC AND CRANK SHAFT "0" MARK.
Locate the timing marks on the crankshaft pulley and the front of the engine.
If they appear dirty, clean the timing marks with a wire brush. Once clean, apply white paint to the marks to make them more visible.
Attach a dwell meter/tachometer to the engine.
Attach a timing light according to the tool manufacturer's instructions.
Unfasten the distributor vacuum line at the distributor and plug the vacuum line. A small bolt, center punch, golf-tee, or similar object is satisfactory for a plug.
Check to make sure that all of the wires, whether disconnected or attached to the timing light or tachometer, clear the fan and belts.
Start the engine and allow it to reach normal operating temperature.
Adjust the idle to the correct setting, if needed.
Aim the timing light at the timing marks and depress the trigger on the light. If the marks on the pulley and the engine are aligned when the light flashes, the timing is correct. Turn OFF the engine, then remove the tachometer and the timing light. If the marks are not in alignment, proceed with the following steps.
Loosen the distributor lockbolt (a special distributor wrench is available) just enough so that the distributor can be turned with effort.
With the timing light aimed at the pulley and the marks on the engine, turn the distributor in the direction of rotor rotation to ****** the spark, and in the opposite direction of rotor rotation to the advance spark. Align the marks on the pulley and the engine using the flashes of the timing light.
When the marks are aligned, tighten the distributor lockbolt and recheck the timing to make sure that the distributor did not move when you tightened the lockbolt.
After timing has been set, tighten the distributor hold-down bolt to 17–25 ft. lbs. (23–34 Nm).
While pointing the timing light at the timing marks, the other hand can rotate the distributor body to reach the correct alignment
always be sure to set to top dead cyl1 before removing belt. there will be mark on the cam gear and another on flywheel seen through passage in bellhousing there will also be a timing mark on the balance shaft. I found it best to ignore timing mark on balance shaft gear and just remove distributor cap. you will see rotor pointing to #1 plug wire and rotor will also line up to a small notch in distributor body. this way is more accurate. also after setting timing belt turn motor over 2 full turns then recheck timing marks again. while your in there check the bearings in all idler pulleys and tensioner pulleys, hate to have to go back in there again just for a noisey bearing later. good luck.