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Timing is off after having the distributor out, how do reset timing?

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You need to remove #1 spark plug and crank engine over with your finger blocking spark plug hole , get someone to crank engine, slow as possible. when you feel the air pressure pass your finger ,. stop cranking engine. you are now close to top dead center. turn harmonic balancer by hand until 0 mark on balancer lines up with mark on engine. you are now at TDC on compression stroke and ready to install distributor. the rotor on distrubtor should be facing #1 spark plug when distributor fully seated.HOPE THIS HELPS. GOOD LUCK.

Posted on Jan 03, 2011


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1 Answer

How to reset timing on van?

turn the crank over until you have tdc compression stroke on the harmonic balancer lined up with the timing mark
position the rotor button facing no 1 plug lead and put the distributor in maintaining the point

Mar 14, 2015 | 2000 Dodge Caravan

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What cylinder is used to reset distributor on 1994 Isuzu p.u. 2.3 engine

Unlike French cars which tend to use number four cylinder as the timing cylinder, almost everyone else including Isuzu use the traditional number one as the timing cylinder, not that for practical purposes it matters very much as it is a simple matter to discover which cylinder is at the top of the compression stroke and then fit the distributor with the rotor pointing at the distributor cap segment for that cylinder.

It is the direction of distributor rotation that confuses people more than anything as many rotate anti-clockwise although I believe the one you are working with rotates clockwise. Another problem with many traditional distributor installations is they often share the oil pump drive which must both be aligned before the distributor will successfully slide home and then because of the skew-type drive gear the distributor turns considerably on the way in and then the rotor is found to be misaligned. The apprentice mechanic soon learns to anticipate and allow for these things.

If the same distributor is being refitted it is best to make alignment marks to cut the amount of time and effort. Few engines require the removal of the distributor for routine timing belt replacement and usually all that is needed is an ignition timing check with a stroboscope.

Feb 19, 2015 | 1994 Isuzu Pickup

1 Answer

Which cylinder is used to reset distributor for 1994 Isuzu p.u. 2.3 engine

must be 4ZD1 engine with carb?
ok, so why tell the full story or job so we can be on same page.
1: distributor pulled.
2: or just messed up timing,
3: or just scrambled the wires? on top of cap to plugs?
4: all 3?
need to know rotor direction, crank it to see.
need to know where #1 is, its front front.
need to set the distrib. so that #1 rotor location is at #1 wire, and crank is at $1 firing and that both #1 valves are closed.

number 1 TDC on all engines, is the timing spec.

now you ask where is #1 right>?

#1; is the most forward cylinder , in inline and V engines.
forward means, the CAM driven end.

it's not reset , its calibrated, using a timing light with
the the timing freeze jumper inserted.(EFI)

if removed. the distrb. worse case.
there is static timing steps
and then dynamic (fine tuned ) with the timing light.

in general all 4 bankers. with dizzy
1: set crank to #1 firing both #1 valves closed
and lash loose. if lash is wrong, get that right first. Clearance is 0.006 in. (0.15mm) for intake and 0.010 (0.25mm) for exhaust.

2: next insert the distributor so such that
the 4 HV lugs are up and that the rotor points to the correct inside cap terminal, #1.
use a ohm meter to find #1 cap terminal if that was lost too?.
3: lock down the distributor, it is now crudely time to #1 firing
4: use the Timing light now to set timing.
is different on EFI from CARB.
you never said if its either. has this.
but you need to go to correct section, carb or EFI.
and read there.

Feb 19, 2015 | 1994 Isuzu Pickup

1 Answer

Last weekend my XTerra started chugging and I barely made it home going 20 miles an hour. My husband thought it was the timing belt, which he replaced and it is not fixed. He now wants to reset the pcm,...

The ECU.. and pulling the battery for a few minutes will reset it.
Also, if the spark plugs or distributor is going out, it will cause these exact symptoms. After replacing the distributor, check the timing with a timing light, as the distributor mount can be adjusted and you need to set it right.
Also, when he did the timing belt, did he also do the bypass hose, water pump, and possibly the camshaft seals? It's best to do it at that time since they are all there

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3 Answers

How do u reset timing of distributor after replaceing it. on a ford e350 94'

You will need a timing light....Start the engine and allow it to warm to normal operating temperature....disconnect the vacuum adavance--then slowly rotate the distrubtor while using the timing light to set it.
The timing mark for top dead center will be on the harmonic balancer, the pointer will be attached to timing chain cover, Set the timing as follows per engine size.
5.0L- BTDC 10° ± 2°
5.8L- BTDC 10° ± 2°
7.5L- BTDC 10° ± 2°

Turn off the engine and tighten the distributor bolt. Recheck the timing to verify that the timing did not move while tightening the distributor. Replace the shorting bar or vacuum line.

I hope this helps,

Aug 25, 2011 | 2002 Ford E350

4 Answers

I have a 1988 toyota pickup with a 22re that i recently installed new and i cant get the timing right I jumped the right wires on the check connector and nothing happens I also reset the distributor

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.

Jun 26, 2010 | 1988 Toyota Pickup

1 Answer

Replaced distributor in my 89 camry now it seems that the car has a high idle could the timing need to be reset

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1 Answer

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Timing is set by loosening the bracket that holds the distributor. It is located at the base of the distributor where it enters the engine block. Loosen it a small amount then you can turned the distributor left or right to advance or ****** the timing. They make custom distributor wrenches that are curved so you can get to the bolt head easier. Some have a square hole in the shaft so you can put the wrench on a ratchet.

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