Question about 1999 Chevrolet Silverado 1500
YOU HAVE TO GET ENGINE BACK TO NUMBER 1 FIRING POSITION.BY REMOVING THE NUMBER 1 SPARK PLUG.TURN ENGINE USING A SOCKET WRENCH ON THE LARGE BOLT ON THE FRONT OF THE CRANKSHAFT PULLEY.PLACE A FINGER NEAR THE NUMBER 1 SPARK PLUG HOLE AND TURN THE CRANKSHAFT UNTIL THE PISTON REACHES TDC.AS THE ENGINE APPROACHES TDC YOU WILL FEEL AIR BEING EXPELLED THROUGH THE NUMBER 1 CYLINDER SPARK PLUG HOLE.THE TIMING MARK ON THE CRANKSHAFT PULLEY SHOULD NOW BE ALIGNED WITH THE 0 MARK ON THE TIMING SCALE.IF THE POSITION IS NOT BEING MET TURN THE ENGINE ANOTHER FULL TURN 360 DEGREES ONCE THE ENGINES POSITION IS CORRECT INSTALL THE SPARK PLUG.YOU NEED A PICTURES IN THE HAYNES REPAIR MANUAL OR CHILTON MANUAL. OF ENGINE AND DISTRIBUTOR FOR ENGINE FIRING ORDER.AND SPARK PLUGS WIRES ON DISTRIBUTOR AND WIRES TO THE CORRECT CYLINDERS. WHEN YOU GET EVERYTHING BACK TOGETHER.WHEN YOU TRY CRANKING THE TRUCK AND MALFUNCTION INDICATOR LAMP TURN ON AND A DTC CODE P1345 SETS AFTER INSTALLING THE DISTRIBUTOR.THIS INDICATES AN INCORRECTLY INSTALLED DISTRIBUTOR.
Posted on Jun 03, 2010
Drive it to a shop and have them do it. What will happen is you wont be able to position it correctly without a data scanner. You don't set timing on these like an old truck. You need to cam sync it which requires a scanner to show postion and then you rev the engine while checking the position which ideally should be at zero plus or minus 2. Just hope this is your problem before you go to this expense to replace the distributor. If you have a MIS i'm doubting its the distributor if you already replaced the cap and rotor.
Posted on Jun 03, 2010
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Posted on Jan 02, 2017
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