Question about 1988 Ford F 150

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Setting distributor on top dead center 1986 f150 5.0

Timing chain was stretched so it slip.I am trying to put new chain and gears on.I need to know how to turn the distributor back to TDC.

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Posted on Jan 02, 2017

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SOURCE: timing zx2 escort TDC ?

The cams have a notch in the back of them (facing driver's side) in which fits a flat piece of steel to lock the cams in place. The notches are not exactly centered on the camshaft, meaning that it's impossible to set them 180 degrees out, because then the flat piece of steel that is supposed to be inserted to lock the cams in place simply won't fit because the top of the cylinder head will get in the way. I highly recommend getting a Hayne's or Chiltons manual if you don't already have one. It should explain this process under the Timing Belt Replacement instructions. The cam lock tool (that flat piece of steel) can be purchased at

Posted on Jun 29, 2008

  • 659 Answers

SOURCE: 1992 Ford Tempo 2.3 Ignition Timing

#1 tdc it is 10 degrees BTDC you must remove the shorting plug at the dist before setting

Posted on Nov 22, 2008

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SOURCE: cant get timing gear off on 1986 f150 with

Removing the camshaft gear from the 6-300

Removing the crankshaft gear from the 6-300


Installing the camshaft gear on the 6-300

Installing the crankshaft gear on the 6-300


6-300 timing gear mark alignment

  1. Drain the cooling system and remove the front cover.

CAUTION When draining the coolant, keep in mind that cats and dogs are attracted by the ethylene glycol antifreeze, and are quite likely to drink any that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantity. Always drain the coolant into a sealable container. Coolant should be reused unless it is contaminated or several years old.

  1. Crank the engine until the timing marks on the camshaft and crankshaft gears are aligned.
  2. Use a gear puller to removal both of the timing gears.
  3. Before installing the timing gears, be sure that the key and spacer are properly installed. Align the gear key way with the key and install the gear on the camshaft. Be sure that the timing marks line up on the camshaft and the crankshaft gears and install the crankshaft gear.
  4. Install the front cover, and assemble the rest of the engine in the reverse order of disassembly. Fill the cooling system.

Posted on Jan 10, 2010

  • 5763 Answers

SOURCE: need to put a timing chain back on a ford taurus

Heres a diagram showing you how to line it all up, good luck and hope this helps,note there are two types of engines in this car with the 3.0engine i labeled them one is a push rod engine which is the simple chain setup, then then overhead cam engine this is the one with chains going to both heads, good luck hope this helps, also if your not sure count the vin digits from left to right the 8th digit is the engine vin # i list them on the diagrams,35bc7f5.gif5508505.gif

Posted on Apr 21, 2010

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SOURCE: when setting the ignition timing

The engine timing markers down on the harmonic balancer/crankshaft pulley should be aligned with the timing indicator on the engine block to "0" degrees when the engine is in the compression stroke for the #1 cylinder, and this is TDC or "Top Dead Center". When something blows out of the spark plug hole that only means that the piston is coming up on TDC, but the crankshaft will still have to be turned until the timing markers are at "0" degrees. You should be sure that you do know how to properly align the timing marks to "0" degrees, and the timing marks must be set at "0" degrees before the distributor can successfully be installed.

Be certain that the timing marks are set at "0" degrees and on the compression stroke for the #1 cylinder, or the timing will be 180 degrees off when you install the distributor. This has to be precise and guessing will not get the distributor properly clocked in so that the ignition timing can be correctly set.

Once you are certain that the timing is set to "0" degrees "TDC", then mark the distributor housing where the #1 position on the distributor cap will be when the cap is installed on the distributor, so that the distributor housing shows a reference mark where the #1 position is, then the distributor should be installed so that the ignition rotor is pointing directly at the #1 position on the distributor housing, or just before the #1 position mark according to the rotation of the ignition rotor. The distributor should be able to turn and point the ignition rotor on either side of the #1 position mark to provide plenty of timing advance or ****** so that the ignition timing can properly be adjusted to specifications after the engine has been started.

Be sure that you follow the proper timing procedure for that vehicle and remove any timing spout connectors that are described in the set timing procedures

Also, be certain that you are actually using the #1 cylinder to set the engine to TDC and to actually time the engine with a timing light. Here is a firing order diagram that should also help to assist you. Let me know if you require any further assistance.


Posted on Jun 17, 2010

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Slowly rotate the engine, manually, until you feel compression in cylinder #1. You can do this by removing the #1 spark plug, having someone block that spark plug hole with their finger, and slowly turn the engine over with a wrench. When they start feeling air pressure, you then know that you are approaching top dead center on the compression stroke of cylinder #1. Now, look at the crankshaft pulley. There should be a timing marker on the pulley. Place it at the top (or 0) on the timing mark of the timing chain cover. Look at the distributor cap and determine where the #1 wire is attached. Then, remove the distributor and rotate the rotor close to that position. When putting the distributor back into the engine, the rotor will turn as it engages the gears. You may have to try a few times to get it lined up. Also, the distributor drives the oil pump. The distributor may not go down all the way, until you move the engine a little more. Once the distributor falls in, all the way, turn the engine again, and determine where compression begins again. Turn the engine to top dead center again and look to ensure that the rotor is in the proper position. That should get you close on the timing.

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Technically, timing chains are designed and built to last the entire life of the engine. So in theory, you should replace it only when it's broken. However, if the chain breaks while your engine is running, it could wreak considerable havoc, so waiting for a break isn't the best practical strategy. Before a timing chain breaks there are signs of wear, and it isn't hard to check for them. If your Jeep Cherokee is showing some of the signs, it is time to replace the timing chain.
Timing Chain Function
  • The timing chain connects the camshaft to the crankshaft via a gear system so that the top and bottom ends of the engine rotate together. If the timing chain has stretched and is skipping teeth, the timing will be thrown off badly, causing the Cherokee to run inefficiently, if at all. If the timing chain breaks altogether, the Jeep's engine will simply shut off, and many valve train components can be damaged in the process.
  • Loose Chain
  • Remove the distributor cap on the Cherokee's engine so that you can see the rotor. Then rotate the engine by hand with a wrench on the crank pulley very slowly. The rotor should begin to rotate with the engine almost immediately. If there is any delay, it is likely that the timing chain is stretched and needs to be replaced.
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