Question about 1999 GMC Jimmy

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My timing is off need info. on how the wires go on the distributor and how to adjust the timing

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  • Master
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The timing will need to be set with a scanner, look at CMP offset , set to "0"

Posted on Jul 05, 2010

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2 Answers

How to reset the timing on a 1991 GMC 5.7


Remove spark plug cylinder #1 place cylinder end of compression time. Crankshaft pulley timing mark at 0 degree
remove distributor cap then find on the cap where is the number 1 cylinder
while placing distributor in place place rotor to face cylinder 1 wire
replace cap and wires
start engine and move dist. to the best rpm then with timing light adjust timing
hope it help

Mar 05, 2014 | 1991 GMC Sierra

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99 GMC JIMMY WILL NOT START,REPLACED CRANK.SENSOR,DISTRIBUTOR,FIRE COMES AND GOES.DOES NOT HAVE A CONSTANT FIRE


REPLACING the crank sensor requires a posible adjustment, this deals with your timing, sooooooo, sensor may need adjusted, re-read instructions, this sensor sends info to the ECM, apparently its sending bad info, soooooooooo, its position is critical !!!!!!!

Jan 30, 2013 | 1999 GMC Jimmy

1 Answer

How to set timing on a 1997 chevy blazer and get a diagram of it


sorry but the ignition timing is controlled by the electronic control module, (ecm) however if you have a scanner that can read datastream you can adjust the cam ******.. go to cam ****** on the datastream list , start engine rev to 1200-1500 rpm and check reading should be at 0 degrees plus or minus 2 degrees, if not you adjust at the distributor by rotating the distributor. the adjustment should be made with engine off then restart and rev again to 1200-1500 rpm and check the cam ****** again,by the way if unable to adjust the distributor gear of the distributor itself may be worn out and need replacement, hope this helps.

(this info is for the blazer)

May 04, 2011 | 2001 Chevrolet Cavalier

2 Answers

Not sure how to replce spark plug wires from the distributor need help please send info


change one spark wire at a time on the distributor.buy new set of spark plugs wires remove them from box.match old wires with new wires to use the correct length to each cylinder.now if you need to change distributor cap.mark location distributor cap.number tag plug wires on the distributor cap so you can remove plug wires on distributor cap so you can replace cap and rotor and put wires back on the distributor cap in correct place.remember change one plug wire at a time so you wont get confuse.

Apr 15, 2011 | 1992 Ford Tempo

1 Answer

The timing on my 1987 dodge dakota is way off. how do i fix it?


You will need to adj. your timing to do this>

REMOVAL

  1. Disconnect distributor pickup lead wire at wiring harness connectors.
  2. Unfasten distributor cap retaining clips and lift off distributor cap.
  3. Scribe a mark on the edge of distributor housing to indicate position of rotor as reference when reinstalling distributor.
  4. Remove distributor hold down clamp screw and clamp.
  5. Carefully lift distributor from engine.
INSTALLATION

  1. Position distributor in engine. Make sure rubber 0-ring seal is in groove of distributor housing. Align rotor with marks previously scribed on distributor housing. Clean top of cylinder block to insure a good seal between distributor base and block.
  2. Engage tongue of distributor shaft with slot in distributor oil pump drive gear.
If engine has been cranked while distributor is removed, it will be necessary to establish the proper relationship between distributor shaft and No.1 piston position as follows:

  1. Rotate crankshaft until number one piston is at top of compression stroke. Mark on crankshaft vibration damper should be in line with "0" TDC mark on timing chain case cover.
  2. Rotate rotor to position of number one distributor cap terminal.
  3. Lower distributor into opening, connect pickup coil leads and install distributor cap. Make sure all high-tension wires "snap" firmly in cap towers. Install distributor hold-down clamp screw. Tighten screw finger tight.
    1. Connect distributor pick-up lead wire(s) at wiring harness connectors.
    2. Adjust engine timing to specification (refer to Ignition Timing).
85128526

Basic ignition Timing Adjustment 3.9L Engine

  1. Locate and ground out the carburetor switch idle stop contact with a suitable jumper wire.
  2. Disconnect and plug the vacuum lines at vacuum transducer on the SCC and the air switching valve on the emissions air pump.
  3. Set the gearshift selector in park or neutral and apply the parking brake.
  4. Using a magnetic timing unit, insert the pickup probe into the open receptacle at the left of the engine between the power steering and the water pumps. If a magnetic timing unit is not available, use a conventional power timing light connected to the number one cylinder spark plug wire.
  5. Bring the engine to a normal running temperature. This can be done by allowing the engine to idle for 5 to 10 minutes when the ambient temperature is around 21°C (70°F).
  6. Adjust the engine idle rpm to the specifications on the VECI label in the engine compartment.
  7. Check the basic timing when using a power timing light). If the basic timing is correct, remove the jumper wire, reconnect the vacuum lines and disconnect all test equipment. If the basic timing is NOT correct, proceed to step 8.
  1. Loosen the distributor hold-down bolt allowing the distributor to be turned with some resistance and adjust the basic ignition timing to the specifications on the VECI label. After adjusting the basic ignition timing, recheck the idle rpm and secure the distributor. Recheck the timing once again to verify that the timing is correct.
  2. Remove the jumper wire, reconnect the vacuum lines and check the idle rpm (adjust if necessary), disconnect all test equipment.
  1. Loosen the distributor hold-down bolt allowing the distributor to be turned with some resistance and adjust the basic ignition timing to the specifications on the VECI label. After adjusting the basic ignition timing, recheck the idle rpm and secure the distributor. Recheck the timing once again to verify that the timing is correct.
  2. Remove the jumper wire, reconnect the vacuum lines and check the idle rpm (adjust if necessary), disconnect all test equipment.

Mar 06, 2011 | 1987 Dodge Dakota

1 Answer

I need to set the timing on my 2002 nissan altima


  • Tools needed: A timing light and wrenches.
  • Locate the crankshaft pulley at the front of the Altima's engine and clean it off to expose the timing marks. Start the car and turn off any accessories such as climate control, lights and the radio. Allow the engine to idle until it reaches normal operating temperature.
  • Turn off the engine and connect a tachometer to the distributor per the manufacturer's instructions. Connect the timing light to the battery and then to the number one ignition wire. Start the engine and verify it's idling at 1,000 RPM. Adjust the idle speed if necessary

  • Point the timing light at the crankshaft pulley to determine the amount of adjustment needed. Adjust the timing by loosening the distributor mounting bolts and turning the distributor until the crankshaft timing mark lines up with the middle line of the timing light.

  • Tighten the distributor mounting bolts and recheck the timing. Turn the Altima off and remove the tachometer and timing light. Reconnect the number one ignition wire.
  • Oct 07, 2010 | 2002 Nissan Altima

    2 Answers

    Distributor Timing


    Try alldata.com to get firing order...hope you didn't put it in 180 out...did that once.

    Mar 07, 2010 | 1982 Ford F 150

    1 Answer

    How to set the timeing on 1990 acura integra


    YOU NEED TO CONNECT A TACHOMETER ACCORDING TO THE MANUFACTURERS INSTRUCTION.ON THE 1990 - 1993 MODELS USING A SUITABLE JUMPER WIRE CONNECT THE GREEN AND BROWN TERMINALS OF THE IGNITION TIMING ADJUSTING CONNECTOR LIGHT GRAY WIRE LOCATED UNDER THE RIGHT SIDE OF THE DASH.MAKE SURE ALL WIRES CLEAR OF THE COOLING FAN AND HOT EXHAUST MANIFOLDS.START THE ENGINE POINT THE TIMING LIGHT AT THE TIMING MARK POINTER AND THE CRANKSHAFT PULLEY.ON THE 1990 - 1993 MODELS THE POINTER SHOULD BE ON THE RED MARK 16 DEGREES BTDC ON THE CRANKSHAFT PULLEY AT 700 - 800 RPM.IF NECESSARY ADJUST THE TIMING BY LOOSENING THE DISTRIBUTOR ADJUSTING BOLTSSLOWLY ROTATE THE DISTRIBUTOR IN THE REQUIRED DIRECTION WHILE OBSERVING THE TIMING MARKS.AFTER MAKING THE NECESSARY ADJUSTMENT TIGHTEN THE HOLD DOWN BOLTS TAKING CARE NOT TO DISTURB THE ADJUSTMENT.REMOVE THE JUMPER WIRE.

    Feb 28, 2010 | 1990 Acura Integra Hatchback

    1 Answer

    Spark plug wire diagram for a 1987 S10 2.8


    on the driver side of the distributor is where your blot is it should be a nine sixteenths there is a special wrench you should use if you can. it makes it easier. that is all you need to loosen

    Mar 04, 2009 | 1987 Chevrolet S-10 Pickup

    2 Answers

    SETTING TIMING


    unplug the relay it should have a black and a tan set of wires, it could be on the fire wall or by te distributor, mark your timing marks on the vibration damperand the timing cover your correct timing setting should be on a sticker under the hood. hook up your timing lite to # 1 cylinder and adjust away. if you need more info let me know.

    Oct 25, 2008 | 1996 Chevrolet K1500

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