Question about 1998 Chevrolet K1500

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TRUCK TREMBLES AND HAS NO POWER

1998 K1500 4X4. ENGINE WAS REBUILT THE TIMING MARKS ALIGNED DISTRIBUTOR IS THE SAME BUT NEW CAP. CODE P1345A SHOWS WITH A GROCERY LIST OF CODES THAT STEM FROM THIS ONE. TRUCK STARTS BUT TREMBLES, DRIVEABLE BUT NO POWER. HELP!!!!

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Timing is off.classic symptoms of the timing being a few degrees off.. depending on how bad it is off you can try turning the distributor and see if it clears up if not just have to retime it just loosen the dist enough to give it a twist and see if it will clear up

Posted on Oct 08, 2009

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You will not be able to twist the distributer cap on this truck. either the rotor is off one tooth from bottom of distributer or the distributer is bad (should be replaced if the engine had to be rebuilt).

Posted on Oct 11, 2009

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1 Answer

How to replace the distributor and line it up the correct way


With ignition OFF, remove the dist cap , do not remove HT leads from cap or plugs just move to one side ,turn the crankshaft with a spanner on the crank pulley drive nut until the rotor arm is pointing directly towards the front of the vehicle, mark the position of the rotor on the distributor body with a dab of paint and also mark the position of the body on the engine block infront of the distrbutor,remove the distributor , i believe it's just 2 screws that clamp it in place ,transfer the mark from old dist to the new dist and aling the rotor to this mark, then fit the new dist to engine and aligne the marks from the new dist to the mark on the engine block and tighten down , refit the dist cap , to get an exact distributor timing you should now use a timing light to check the timing marks line up , if they are slightly out just very slowly turn the distributer until the marks are aligned , hope this is of help

Jun 07, 2015 | 2002 Nissan Xterra

3 Answers

Setting timing marks to get vehicle to start after engine overhaul


Timing marks setting Corolla 4A-FE.
Align the notch on the crankshaft pulley with the "0" mark on the timing belt lower cover.
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With the crankshaft pulley being aligned with the 0 mark on the timing belt cover, the hole on the camshaft sprocket should exactly be in front of the notch of camshaft bracket.


25679262-y0srr1ownybx5goll4rgvnpm-5-2.jpg
Hope that works.

May 04, 2015 | 1998 Toyota Corolla

2 Answers

Replacing distributor


well, to answer this we must know history, even the FSM states this.
its a toy engine so you have all facts online to match that engine.
1: it was wrong all along. timing ?
2: it was ok, time wise and want to just swap it out. ?

ILL shoot for the moon here, go easy way, #2
mark all wires. 1,2,3,4 (1 is water pump side, 4 is tranny side.0
mark cap terms too.
now transfer marks from old cap diz to new.
now remove cap on old
put crank at TDC such that #1 cap tower is at #1 wire.
this is called TDC #1 firing. (crank pulley marks are as FSM shows
then remove dizzy.
drop in new dizzy such that rotor still aligns with #1 cap tower term marked above.
clamp down dizzy
now do fine timing set running per FSM.

all this is at alldata.com and for if #1 is true, all wrong to start.

the above works for all dizzy cars made, mostly.

all this and more here.
vast info, all free too.
http://w ww.toyotanation.com/forum/16-archived-corolla-threads/9068-geo-prizm-toyota-corolla.html

Oct 22, 2013 | 1991 Geo Prizm

1 Answer

Need firing order on 96 Chevy Silverado and how to place the distributor


Distributor

ABCDEFGHIJKLMNOPQRSTUVWXYZ

Inspect/Replace

To Remove
  • Disconnect the distributor wiring connector and the vacuum advance hose, if the vehicle is so equipped.
  • Remove the distributor cap and note the position of the rotor. Mark the position on the distributor housing.
  • On some vehicles, it may be necessary to remove the spark plug wires from the cap prior to cap removal.
  • Note the position of the vacuum advance, then remove the distributor holddown bolt and clamp.
  • Pull the distributor from the engine. Most distributors will need to be twisted as they are pulled out of their bore.
  • Once the distributor is removed, install a shop towel in the distributor opening to keep foreign material out of the engine block.
  • The entire assembly should be cleaned thoroughly. Make sure all solvent residue is completely removed.
Installing and Timing a Distributor
The following procedure may be followed to install the distributor and time it to the engine, if all reference marks were made during the removal of the distributor:
  • Lubricate the O-ring on the distributor shaft.
  • Position the rotor so that it is aligned with the mark made on the distributor housing prior to removal.
  • Align the distributor housing with the mark made on the engine block during removal.
  • Lower the distributor into the engine block, making sure the distributor drive is fully seated.
  • Distributors equipped with a helical drive gear will rotate at the distributor is being installed, causing the distributor to move away from the reference marks.
  • Pay attention to how much the rotor moves.
  • Remove the distributor and move the rotor backward the same amount. This should allow the shaft to rotate while the distributor is being installed and still be aligned with the reference marks.
  • Make sure the distributor housing is fully seated against the engine block. Sometimes it may be necessary to wiggle or rock the distributor to seat it fully into the drive gear.
  • Distributors with drive lugs must be mated with the drive grooves in the camshaft. Both are offset to eliminate the possibility of installing a distributor 180 degrees out of time.
f22-52.gif The distributor must be aligned with the camshaft drive to seat the distributor in the engine block or cylinder head.
  • Rotate the distributor a small amount so the timer core teeth and pick-up teeth are aligned.
  • Install the distributor holddown clamp and bolt, leaving the bolt slightly loose.
  • Install the spark plug wires in the direction of distributor shaft rotation and in the cylinder firing order.
  • Connect the distributor wiring connectors. The vacuum advance hose is usually left disconnected until the timing is set with the engine running.
If the engine has been cranked while the distributor is removed, or no marks were made during removal, use this procedure to reinstall the distributor:
To be sure that the number one cylinder is on its compression stroke, observe the rocker arms to see that they are both moving. Then, rotate the crankshaft one revolution until the rocker arms for the companion to cylinder number one are both moving at TDC (top dead center). Align the timing mark and install the distributor with its rotor pointing to the number one spark plug cable in the distributor cap.
f22-01.jpg
  • Remove the spark plug from cylinder #1. Install a test plug in the end of the spark plug wire and position the test plug away from you and cylinder #1.
f22-02.jpg
  • Place your thumb over the bore for the spark plug and crank the engine until compression is felt.
f22-03.jpg
  • Lightly crank the engine while observing the timing marks on the crankshaft pulley. Once the timing marks are aligned, stop cranking.
f22-04.jpg
  • Identify the position for the #1 spark plug wire on the distributor cap.
f22-05.jpg
  • Determine which way the distributor shaft will rotate when it is lowered onto the camshaft gear. Then position the rotor so that it will be under the #1 terminal on the distributor cap after the distributor gear is meshed with the camshaft gear.
f22-06.jpg
  • After the distributor is installed in the engine, turn the distributor housing slightly so the pickup coil is aligned with the reluctor.
f22-07.jpg
  • Install the distributor holddown clamp and bolt. Hand tighten the bolt.
f22-08.jpg
  • Connect the pickup leads to the wiring harness.
f22-09.jpg
  • Install the spark plug wires onto the distributor cap according to the engine's firing order. Check to make sure everything that was disconnected before the distributor was removed, is now connected. Connect a timing light and prepare the engine for an ignition timing check and adjustment.

Feb 17, 2013 | Cars & Trucks

1 Answer

I removed the distributor and can't seem to get it back in time, have spark, no blown fuses, at TDC rotor is lined up with number 1


Honda CRV/Odyssey 1995-2000 Repair Information
Distributor

Print


REMOVAL & INSTALLATION

The radio may contain a coded theft protection circuit. Always make note of the code before disconnecting the battery.

  1. Disconnect the negative battery cable.
  2. Access the crankshaft pulley bolt through the left side inner fender liner. Use a socket, long extension and a suitable ratchet to rotate the engine. Rotate the engine counterclockwise until the white Top Dead Center (TDC) mark on the pulley aligns with the pointer on the engine cover.
  3. Label the ignition wires, but do not remove them.
  4. Remove the distributor cap and note the location of the ignition rotor. If the ignition rotor is not pointing toward the terminal of the distributor cap for cylinder No. 1, rotate the crankshaft one complete revolution counterclockwise, and align the white (TDC) mark on the pulley with the pointer on the engine cover.
  5. If the distributor is going to be reinstalled, make an alignment mark between the distributor housing and the cylinder head using a scribe or a chisel. Then, and using a scribe, felt tipped marker or touch up paint, make an alignment mark on the distributor housing for the rotor.
  6. Uncouple the electrical connectors on the side of the distributor.
  7. Remove the three distributor mounting bolts, then remove the distributor from the cylinder head.

See Figures 1, 2 and 3

0900c1528026a5f0.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 1: Exploded view of the distributor mounting-Odyssey 4-cylinder models


0900c1528026a5f1.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 2: Exploded view of the distributor mounting- CRV shown


0900c1528026a5f2.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 3: The distributor keyway is offset and can only be installed in one direction

To install:
If the camshaft or crankshaft has rotated during assembly, rotate the crankshaft counterclockwise until the white Top Dead Center (TDC) mark on the pulley aligns with the pointer on the engine cover. If the valve cover and upper timing cover have been removed, be sure the UP mark on the camshaft is facing up, and that the crankshaft TDC mark aligns with the pointer on the lower timing cover.

  1. Coat a new O-ring with clean engine oil and install it onto the distributor shaft.
  2. Install the distributor into the cylinder head. The offset lug on the distributor shaft will fit into the groove on the end of the camshaft in only one direction. If the distributor is being reinstalled, align the marks made during disassembly.
  3. Install the three mounting bolts, only hand-tighten them at this time.
  4. Couple the electrical connectors on the side of the distributor.
  5. If removed, reconnect the ignition wires in the correct order.
  6. Reconnect the negative battery cable.

The Powertrain Control Module(PCM) idle memory must be reset after reconnecting the battery. Start the engine and hold it at 3000 rpm until the cooling fan comes on. Then allow the engine to idle for about five minutes with all accessories OFF and with the transaxle in Park or Neutral.
  1. Check and adjust the ignition timing. Refer to the ignition timing procedure outlined in General Information and Maintenance .
  2. Enter the radio security code.

May 12, 2012 | 1997 Honda CR-V

1 Answer

I need to know how to set the distrubtor


The ignition timing is not adjusted with a timing light or with the engine running, and to set the ignition timing follow these procedures.

There is a mark or notch on the distributor housing that the rotor should be pointing to when the engine is on TDC. (Top Dead Center) This "Static" timing is all that matters and the computer will be able to control the timing as long as the ignition rotor is in that position when the engine is at TDC.

1. Place the engine at top dead center.

2. Look under the distributor cap and find where the number one terminal runs under the distributor cap, and where that position on the distributor cap corresponds with the distributor housing, and it should match up to a mark or a notch on the distributor housing (usually has a #6 for 6 cylinder engines or a #8 for 8 cylinder engines) indicating the number one TDC alignment position.

3. With the engine on top dead center the ignition rotor should be pointing to the number one TDC alignment mark or notch that is on the distributor housing, if it is not then loosen up the distributor and turn the distributor until the ignition rotor is pointing to and aligned with the TDC alignment mark or notch on the distributor housing and then tighten down the distributor, the engine should now be "Static" timed. (The more precise that you are aligning the TDC alignment mark with the ignition rotor the better the engine will run, and it will be less likely that there will be a camshaft to crankshaft correlation problem)

If the distributor can not be turned enough to align the ignition rotor with the number one TDC alignment mark on the distributor housing, or the distributor does not set properly and will not allow the installation of the spark plug wires then the distributor is not installed correctly and is most likely a tooth off and it will need to be re-installed correctly. (The distributor should set like it is shown in the firing order diagram when it is properly installed)

Here is a firing order diagram to also help assist you.

Some distributors have the hold down bracket secured onto the distributor housing and the distributor can not be turned into alignment and then tightened down into that position, and these distributors will only fit into the engine and correctly align on "Static" timing one certain way, and when it is correct the distributor hold down bracket bolt can be installed and the TDC alignment mark on the distributor housing will remain properly aligned with the ignition rotor.


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Nov 18, 2010 | 1998 GMC Jimmy

1 Answer

Rebuilt my 454 engine, installed distributor with rotor at 0 TDC on #1 cylinder. Engine ran fine but ses light was on. Code was P1345-- disagreement between cam sensor and crank sensor. Scanner showed...


The ignition timing is not adjusted with a timing light or with the engine running, and to set the ignition timing follow these procedures.

There is a mark or notch on the distributor housing that the rotor should be pointing to when the engine is on TDC. (Top Dead Center) This "Static" timing is all that matters and the computer will be able to control the timing as long as the ignition rotor is in that position when the engine is at TDC.

1. Place the engine at top dead center.

2. Look under the distributor cap and find where the number one terminal runs under the distributor cap, and where that position on the distributor cap corresponds with the distributor housing, and it should match up to a mark or a notch on the distributor housing (usually has a #6 for 6 cylinder engines or a #8 for 8 cylinder engines) indicating the number one TDC alignment position.

3. With the engine on top dead center the ignition rotor should be pointing to the number one TDC alignment mark or notch that is on the distributor housing, if it is not then loosen up the distributor and turn the distributor until the ignition rotor is pointing to and aligned with the TDC alignment mark or notch on the distributor housing and then tighten down the distributor, the engine should now be "Static" timed. (The more precise that you are aligning the TDC alignment mark with the ignition rotor the better the engine will run, and it will be less likely that there will be a camshaft to crankshaft correlation problem)

If the distributor can not be turned enough to align the ignition rotor with the number one TDC alignment mark on the distributor housing, or the distributor does not set properly and will not allow the installation of the spark plug wires then the distributor is not installed correctly and is most likely a tooth off and it will need to be re-installed correctly. (The distributor should set like it is shown in the firing order diagram when it is properly installed)

Here is a firing order diagram to also help assist you.




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Oct 25, 2010 | 1998 Chevrolet K2500

2 Answers

How to remove distributor on a 1998 gmc pick up with 5.0 engine, do I have to mark anything or just take off bolt and pull out.


You need to mark in 2 places. With the cap off mark the position of the rotor button on the distributor housing first. Then you need to make a mark on the distributor housing that will line up with a mark on the engine itself.
When you put the distributor back in back the rotor button up before you put it in because the cam gear will turn it ahead as it seats. For example, if the rotor button is at 3 o'clock then back it up to 1 o;clock.
Don't force the distributor down at the end because you can damage the end that drives the oil pump. Fidle and wiggle it as you push and it should line up and drop onto the oil pump. Also DON'T turn the engine over while it's out or you will have to retime the engine. Hope this helps.

Jul 03, 2010 | 1998 GMC Sierra

2 Answers

How to change distributor and rotor on 1995 chevy blazer


If you're talking about the distributor cap and rotor. I dont know what size engine you have, but it's pretty much the same. Mark your wires with a piece of tape and write a number on each one. When you remove the wire from the cap, ONE AT A TIME, mark that location on the OLD cap with the same number. (you can remove them and immediately put them on the new cap IN THE SAME LOCATION, but it can get in the way) After all the wires are off, take the two screws out of the base of the cap and lift up on it.

Now...Take the two caps and place them next to each other, and mark the new cap exactly as you did the old cap.

Leave them there for a minute. Go back and take the 2 screws out of the rotor. Place the new one in place and tighten,first making sure you have it in the right position. Look at the bottom. There should be a square prong, and a round prong. They're there to make sure you don't put it on backwards.

Go back and get the cap from where you left it and put it back on in the same position. Put the wires back on starting with the last one you took off and work your way back to number 1.

Don't be afraid to take a picture of it before you start. Just because.


Feb 26, 2010 | 1995 Chevrolet Blazer

1 Answer

Need to know how to install a new distributor and the firing order for a 4 cyl


Firing order is 1342. #1 cylinder is closest to front. (By pulleys)



See Figures 1, 2, 3 and 4
Engine Not Rotated
  1. Disconnect the negative battery terminal.
  2. Turn the engine over until No. 1 cylinder is at TDC of the compression stroke.
  3. Remove the distributor cap. Remove the wire harness connected to the side of the distributor.
  4. Mark the position of the distributor base in relation to the engine block with white paint or other suitable marking material, for reference when reinstalling the distributor.
  5. Loosen and remove the distributor hold-down bolt and clamp.
  6. Carefully begin lifting the distributor up and out. Once the shaft is clear of the engine compartment, inspect the shaft for cracks in the O-seal, the condition of the shaft drive gear and any other part which could lead to distributor problems in the future.

To install:
  1. Check to make sure the engine is still at TDC. Inspect distributor shaft hole to make sure it is free of dirt.
  2. Rotate distributor shaft until the painted mark on rotor is pointing toward painted mark on engine block made during removal.
  3. Continue rotating rotor slightly so leading edge of the vane is centered in vane the switch stator assembly.
  4. Dip entire distributor gear in engine assembly lubricant D9AZ-19579-D or equivalent.

If installing a new distributor, ALWAYS add engine assembly lubricant to the engine oil by pouring it through distributor hole onto the camshaft gear. Run engine at idle for at least five minutes before driving.
  1. Rotate distributor in block to align leading edge of vane and vane switch stator assembly. Verify rotor is pointing at No. 1 mark on distributor base.

If vane and vane switch stator cannot be aligned by rotating distributor in cylinder block, remove distributor enough to just disengage distributor gear from camshaft gear. Rotate rotor enough to engage distributor gear on another tooth of the camshaft gear.
  1. Install the distributor retaining bolt and tighten so the distributor can just barely be moved.
  2. Install the distributor cap and, tighten screws to 18-23 inch lbs. (2.0-2.6 Nm).
  3. Reconnect battery cable. Start vehicle, and check timing. If timing needs adjustment, refer to the Ignition Timing section.
  4. After timing has been set, tighten distributor hold-down bolt to 17-2 ft. lbs. (23-34 Nm).

Engine Rotated with Distributor Removed
  1. If the crankshaft was rotated while the distributor was removed, the engine must be brought to TDC on the compression stroke of the No. 1 cylinder.
  2. Remove the No. 1 spark plug. Place a finger over the hole and rotate the crankshaft slowly in the direction of normal rotation until engine compression is felt.
  3. When engine compression is felt at the spark plug hole, indicating that the piston is approaching TDC, continue to turn the crankshaft until the timing mark on the pulley is aligned with the 0 mark on the engine front cover.
  4. Turn the distributor shaft until the ignition rotor is at the No. 1 firing position.
  5. Rotate distributor shaft so the blade on rotor is pointing toward paint mark on distributor base made during removal.
  6. Continue rotating rotor slightly so leading edge of the vane is centered in vane switch stator assembly. Verify rotor is pointing at No. 1 mark on distributor base.

If vane and vane switch stator cannot be aligned by rotating distributor in cylinder block, remove distributor enough to just disengage distributor gear from camshaft gear. Rotate rotor enough to engage distributor gear on another tooth of the camshaft gear.
  1. Install the distributor retaining bolt and tighten so the distributor can just barely be moved.
  2. Install the rotor and distributor cap and connect all wiring. Tighten distributor cap to 18-23 inch lbs. (2.0-2.6 Nm).
  3. Reconnect battery cable. Start vehicle, and check timing. If timing needs adjustment, refer to the Ignition Timing section.
  4. After timing has been set, tighten distributor hold-down bolt to 17-2 ft. lbs. (23-34 Nm).

Nov 17, 2009 | 1992 Mercury Topaz

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