Question about 1992 Cadillac DeVille

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We know the firing order but need to know the correct position for the distributor cap

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For 1992 Cadillac DeVille 4.9 liter V-8 VIN "B" check this ...

We know the firing order but need to know the - 0584d93.gif

Hope helps (remember rated this).

Posted on Jul 12, 2010

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  • Cadillac Master
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4.9L Engine Timing specifications and adjustment procedure for each engine are listed on the underhood Vehicle Emissions Control Information (VECI) label in the engine compartment. Use specifications or procedures from the VECI, if they differ from the specifications or procedure listed in this manual. The 4.9L engine incorporates a magnetic timing probe hole for use with special electronic timing equipment. Consult manufacturer's instructions for use of this equipment. Malfunction codes may be set during ignition timing adjustment procedure. Enter diagnostics and clear trouble codes if this occurs. Refer to trouble codes for more information.

  1. Place the transmission in Park.
  2. With the ignition in the OFF position, attach a timing light to No. 1 spark plug cable. NOTE: Do not pierce the wire or attempt to insert a probe between the boot and the wire. Connect the timing light power leads according to manufacturer instruction. Do not time the engine on 7 cylinders as the unburned fuel could cause damage to the catalytic converter.
  3. With the engine at normal operating temperature and the air conditioning OFF, take off the air cleaner upper housing. The engine should be OFF at this time.
  4. Jump pins A and B at the ALDL connector, while not in the diagnostic display. SET TIMING MODE message will be displayed on the climate control Driver Information Center (CCDIC).
  5. Start the engine and aim the timing light at the timing mark. If an adjustment is necessary, loosen the distributor hold-down nut using a suitable distributor wrench. While observing the timing mark, rotate the distributor until the line indicates the correct timing. Set base timing at 10 degrees BTDC, at any speed less than 800 rpm.
  6. Turn OFF the engine and remove the timing light. Fig. 3: Jumper pins A and B at the ALDL connector in order to set timing We know the firing order but need to know the - 84202030.jpg
    Fig. 4: Magnetic timing probe hole — 4.9L engine 84202031.jpg

  7. Remove the jumper from the ALDL connector and install the air cleaner upper housing. NOTE: Remove the jumper from the ALDL connector when the procedure is complete. If the jumper remains in the ALDL connector, the engine will run at base timing and cause driveability problems
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Posted on Jul 12, 2010

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1 Answer

94 mitsubishi pajero v6 3.0 petrol


How did you make the determination that all the firing orders are wrong? No matter what the source was, the firing order should be the same no matter who you got the information from. Am I correct on this.....that everybody keeps giving you the same firing order??? As a point of emphasis I would like to know if you recieved conflicting specifications regarding the firing order. You may want verify the calibration of the distributor's position. At TDC the distributor rotor should be pointing to #1 cylinder terminal on the distributor cap, or 90 degrees across from it. Please verify.

Jan 19, 2014 | Cars & Trucks

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Need to know the firing order for a 1982, 1.9 chevrolet S-10 four cylinder,and where is #1 on the distributor cap?


the firing order # is 1342, and the # 1 firing postion on the distributor cap should be at the 5 o clock position on the cap. this is according to the manual that i have. because the rotor turns counter clockwise. if you have any doubt, remove the #1 spark plug , and distributor cap , and bring the # 1 piston up on top dead center of the compression stroke, and the tip of the rotor will be facing the # 1 firing position.

Feb 13, 2011 | Chevrolet S 10 Cars & Trucks

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Distributor cap diagrahm for a 1992 dodge dakota 3.9 L what is the correct order for the spark plug wires on the distributor I know the firing order is 1 6 5 4 3 2


Here is a firing order diagram and note the distributor cap latch positions between terminals 1 and 2 and 5 and 4, and let me know if you need any help to understand this diagram or if you require any further assistance.


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Oct 21, 2010 | 1992 Dodge Dakota

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I took of*** my spark plug wires working on my small block 350 pickup and I don't remember the the firing order to put the new wires back on. Is there a diagram anywhere or is it even that difficult to...


Next time number each lead before you remove it and no. the dissy cap as well

The firing order, which should be cast into the intake manifold, for the chevy small block V8 is 1-8-4-3-6-5-7-2. The firing order is the numerical sequence in which the spark plugs are fired. The insertion position of each spark plug wire around the circumference of the distributor cap can be found according to a clock face. The insertion sequence determines the firing order. The firing order is followed clockwise around the distributor cap starting from the 6:30 position with the 6:30 position being the number one cylinder spark plug wire.
On classic chevy small block engines that use ignition breaker points instead of electronic ignitions, the number one cylinder is the one immediately clockwise of the small metal sash cover on the distributor cap. The firing order starts here. There is no sash cover on the distributor cap for GM HEI electronic ignitions, and the firing order is the same, but starting at the 5:30 position.
The firing order makes sense if you know how the cylinders are numbered. The number one cylinder is the front most on the drivers side and 2 being the front most on the passenger side. From front to back, the cylinders are odd numbered on the drivers side, and even numbered on the passenger side.
See the diagram; Click to open a printable larger image in a new window. The firing order starts with the number one cylinder. We would connect the number one spark plug wire to the distributor cap terminal in the 6:30 position. distributor.pngSince the next cylinder in the firing order is 8 (passenger side rear), we connect the number 8 spark plug wire to the next distributor cap terminal (approximately 7:30 position) in the clockwise direction from number one. You need to be sure you continue the firing order in the clockwise direction around the chevy small block distributor cap from the last installed spark plug wire. Setting the rest of the firing order is just a matter of repetition. Be sure to count the spark plugs from front to back on each side of the motor to identify the correct cylinder number in the firing order.

Jun 21, 2010 | Cars & Trucks

1 Answer

Firing order for a 1986 gmc s15


FIRING ORDERS

To avoid confusion, ALWAYS replace spark plug wires one at a time.

The most important thing to remember about the removal and installation of a distributor, cap or spark plug cable is that all wires MUST be labelled before they are disconnected. Keep in mind that these figures depict a firing order where the distributor cap terminals are relative to EACH OTHER only and they do not necessarily depict the tower positions in relation to the rest of the engine. This is true because any distributor which has been removed and reinstalled may have been installed with the No. 1 spark plug tower at any position (360 degrees) in relation to the rest of the motor, as long as the rotor aligned to the No. 1 tower when the No. 1 cylinder was at TDC of the compression stroke (valves closed, ready for the plug to fire). As long as the remaining wires were connected in the correct firing order sequence (depending on direction of distributor rotation) the engine will run. DO NOT EVER remove more than one wire from the distributor cap at a time unless you tag ALL wires and towers to assure proper installation.

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Fig. 1: 1.9L engine . Firing order: 1-3-4-2 . Distributor rotation: counterclockwise

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Fig. 2: 2.0L engine . Firing order: 1-3-4-2 . Distributor rotation: clockwise

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Fig. 3: 2.5L engine . Firing order: 1-3-4-2 . Distributor rotation: clockwise

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Fig. 4: 2.8L engine . Firing order: 1-2-3-4-5-6 . Distributor rotation: clockwise

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Fig. 5: 4.3L engine. Firing order: 1-6-5-4-3-2 . Distributor rotation: clockwise

I hope help you with this (remember rated this help) Good luck.

Oct 05, 2009 | 1986 GMC C1500

1 Answer

1984 pontiac bonnerville plug firing order photo


Hi,
I don't know your engine size, but the link below is a picture of the GM small block firing order with distributor.
The firing order, which should be cast into the intake manifold, for the chevy small block V8 is 1-8-4-3-6-5-7-2. The firing order is the numerical sequence in which the spark plugs are fired. The insertion position of each spark plug wire around the circumference of the distributor cap can be found according to a clock face. The insertion sequence determines the firing order. The firing order is followed clockwise around the distributor cap starting from the 6:30 position with the 6:30 position being the number one cylinder spark plug wire.

http://www.classiccarauto.com/impala/how_to/images/distributor.png

Hope this helps...

Aug 27, 2009 | 1984 Pontiac Bonneville

1 Answer

Im trying to find the correct order for the spak plug wires from the distributor cap to the engine on a 1991 subaru loyale, 4 cylinder 1.8 liter


Its easy to set the distributor timming all you have to do is to aligne the crankshaft pully to the marks and see which cylinder is on firing or rather on power stroke you may hve to remove the vavle cover to get the correct cylinder at power stroke which will have the valves (inlet & exhaust )closed.
At the distributor cap removed check out the rotor as to where it is and thts your number one, since you know the firing order so from here you should be able to get the wiring of the distributor correct.
Good Luck.

May 07, 2009 | Subaru Loyale Cars & Trucks

1 Answer

I need to install a distrubuter, need to know how to find top dead centre etc.


Distributor Cap grey_line.gif Inspect | Replace The distributor cap should be removed for visual inspection. Check the cap for:

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Inspect the distributor cap and rotor. Courtesy of American Honda Motor Co., Inc.
  • Distributor cap locating tab. This tab assures proper location of the cap onto the distributor housing.
  • Distributor cap holddown. The distributor cap must be securely attached to the distributor housing to prevent contamination and to assure its location.
  • Dirt and water in the cap. These contaminants will require additional voltage in order to fire the spark plug. If available voltage is not enough to overcome this resistance then no spark will occur at the spark plug.
  • Center carbon insert. All of the high voltage coming through the coil on its way to the spark plug must pass through this insert. Any additional resistance caused by wear or contamination can cause the engine not to start or to misfire.
  • Tower inserts. The inserts are made from aluminum or bass so it is possible for them to oxidize. Aluminum oxide is an abrasive that can cause excessive damage to the distributor. If the insert is made from brass then the oxidation will appear green in color.
  • Cracks. If any cracks are present on the distributor cap then replacement of the part is required.
  • Carbon tracking. Carbon tracking indicates that the high-voltage of electricity has found a low-resistance conductive path over or through the plastic. The result is a cylinder that fires at the wrong time, or a misfire.
Also check for:
  • Physical or electrical damage is easily recognizable.
  • Electrical damage from high voltage can include corroded or burned metal terminals and carbon tracking inside distributor caps.

0900823d8004cf5e.gif

Things to look for when inspecting a distributor cap.
  • If the distributor cap has a mild buildup of dirt or corrosion, it should be cleaned. If it cannot be cleaned up, it should be replaced. Small round brushes are available to clean cap terminals.
  • Wipe the cap and with a clean shop towel, but avoid cleaning these components in solvent or blowing them off with compressed air, which may contain moisture. Cleaning these components with solvent or compressed air may result in high-voltage leaks.
  • Check the distributor cap and housing vents. Make sure they are not blocked or clogged. If they are, the internal ignition module will overheat. It is good practice to check these vents whenever a module is replaced.
Replace Distributor cap replacement instructions vary, so always follow the manufacturer's instructions.
General replacement procedures are as follows:
  • For spring-loaded caps, unsnap the clips and remove the cap. When installing the new cap, make sure the clips are snapped back into place.
  • For spring-loaded j-hook caps, push down and turn. It will unlock. Lift up to remove it. Position the new cap in place, then push down and turn to lock.
  • For caps with screws, use a screwdriver to loosen the two screws. Install the new cap and use the screwdriver to tighten the screws. Don't overtighten.
It is a good idea when replacing the distributor cap to remove the cap with the ignition wires attached. After you have installed the new cap, transfer the wires one by one onto the cap in their correct position. This way the firing order is accurate. If, for some reason after you replace the distributor cap, your vehicle does not function normally, check your firing sequence.
The distributor cap is mounted on top of the distributor assembly and an alignment notch in the cap fits over a matching lug on the housing. Therefore the cap can only be installed in one position, which assures the correct firing sequence. There is a tab or notch somewhere on the distributor body that must align somewhere on the distributor body that must align with a corresponding tab or notch in the cap. Once again, do not force something.
The rotor should be inspected and/or replaced when the distributor cap is replaced.

Firing Order Each cylinder of an engine must produce power once in every 720 degrees of crankshaft rotation. Each cylinder must have a power stroke at its own appropriate time during the rotation. To make this possible, the pistons and rods are arranged in a precise fashion. This is called the engine's firing order. The firing order is arranged to reduce rocking and imbalance problems. Because the potential for this rocking is determined by the design and construction of the engine, the firing order varies from engine to engine. Vehicle manufacturers simplify cylinder identification by numbering each cylinder.

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Examples of typical firing order.
Regardless of the particular firing order used, the #1 cylinder always starts the firing order, with the rest of the cylinders following in a fixed sequence. The ignition system must be able to monitor the rotation of the crankshaft and the relative position of each piston to determine which piston is on its compression stroke. It must also be able to deliver a high-voltage surge to each cylinder at the proper time during its compression stroke. How the ignition system does these things depends on the design of the system.

Nov 19, 2008 | Ford F Cars & Trucks

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