Question about 2003 Chevrolet Suburban 1500

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How do i adjust the valves on a 1999 chevy suburban? replaced head gaskets starting over on this vortec 5.7L engine the ac bracket and pump has to be removed so it has no serpentine belt. used original method of taking out the valve lash then going one turn further but now have no compression.

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Push rods are adjusted hydraulically,by oil pressure.your 1 turn further was 1 turn too many.

Posted on Sep 25, 2009

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97 chevy suburban missfire cylinder #3 at start up


If you replaced the plug, wire and cap then it's either gona be the intake gasket seeping or a bad valve. Gasket more than likely I'd say bc the vortec motors are really bad about leaking or blowing the lower intake gaskets

Feb 20, 2015 | 1997 Chevrolet Suburban

1 Answer

My 1999 C1500 chevy saburban doesnt turn on found water in motor oil.


Water in the oil is sign that head gasket has blown or head or block has cracked. Either way, very bad indeed. Engine will need major repairs or replacement.

Feb 18, 2015 | 1999 Chevrolet Suburban

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I have a 96 chevy tahoe 5.7 vortec and it had a small knock in it so we put in a new crankshaft,main bearings,rod bearings,timing chain,timing cover and all seals and gaskets now the truck misses on number...


Oh man that's a tough one. It almost sounds like a bad head, however there is an electronic spark control mounted to the firewall, that could possibly be doing it. If it is fuel injected, check your injectors. Something else to check would be the fuel pressure regulator. I'll have to think more on it, because you have replaced so much. Have you checked for trouble codes? The throttle position sensor can cause some of your symptoms. Hope this helps, but I think you might have a faulty esc control (electronic spark control)

Jun 09, 2011 | 1997 GMC Suburban

2 Answers

My 1996 chevy suburban wont start


If you plugged the original leak (which sounds like the head gasket) and then the radiator was leaking, and you are having water coming out of the exhaust, then you need to replace the head gaskets. It sounds like you had a blown head gasket from the start. Here's what to do.

1. Replace the head gaskets (will need intake manifold gasket as it need to come off for this procedure).

2. Replace thermostat, radiator cap (if radiator is still good)

3. Replace water pump; the water pump may have stopped working (mechanical), which in turn caused the pressure to build an blow the head gasket (the cause of the pump would be a bad thermostat. If the truck was overheating, then the thermostat was bad to begin with, then the pump, then the head gasket, so then the only place left for the water to go is out the exhaust.

Here is a list of replacements:

^ water pump
^ thermostat
^ head gaskets
^ valve cover gaskets
^ radiator cap (if radiator is good)
^ radiator : if leak from cap caused any damage to radiator (should still be good)

**Also check the radiator hoses to ensure they do not have any "bubbles". Hot water over time (with anti-freeze) erodes the inside of the hoses, and begins to "dig" holes and grooves in the hose, which evetually cause leaks. Consider replacing these as well for safe measure.

Please, let me know if you need further assistance.

carsandcomps,

Guru, Premium Expert @ Fixya.com

Jun 22, 2010 | 1996 Chevrolet Suburban

1 Answer

How to replace head gasket on 1999 2.5 cyl ford ranger


Cylinder Head Removal
  1. Disconnect the battery ground cable
  2. Relieve the fuel pressure.
  3. Drain the cooling system. Disconnect the three way catalytic converter Loosen the water pump pulley bolts.
  4. Remove the drive belt.
  5. Remove the water pump pulley, fan and clutch assembly.
  6. Remove the intake manifolds
  7. Remove the ignition wires from the spark plugs .
  8. Remove the spark plugs; .
  9. Remove the oil level indicator tube
    • Remove the bolt.
    • Remove the oil level indicator tube.
    • Remove the EGR valve to exhaust manifold tube
    1. Remove the valve cover
    1. Remove the drive belt .
    1. Recover the A/C refrigerant; refer to Disconnect the engine control wiring from the A/C compressor
    2. Remove the A/C compressor mounting bracket (2882) with the power steering pump (3A674) attached and position out of the way.
    3. Disconnect the engine control sensor wiring connector from the generator
    4. Disconnect the (1) lower radiator hose and the (2) water pump inlet tube
    5. Remove the upper radiator hose
    6. Remove the water pump inlet tube.
      • Remove the bolts.
      • Remove the water pump inlet tube.
    7. Remove the generator.
      • Remove the bolts.
      • Remove the generator.
    8. Remove the generator mounting bracket.
      • Remove the bolts.
      • Remove the bracket.
      1. Remove the ignition wire and bracket; refer to Section 303-07A .
      1. Remove the outer timing belt cover; refer to the procedure in this section.
      1. Remove the timing chain/belt (6268); refer to Timing Drive Components—Timing Belt in this section.
      1. Remove the exhaust manifold (9430); refer to Exhaust Manifold in this section.
      1. Remove the cylinder head .
        • Remove the bolts and discard. (should get new ones)
        • Remove the cylinder head.
        • Remove the head gasket and discard.
Installation
  1. Clean all gasket mating surfaces.
  1. Install new gaskets as necessary.
    • Use new cylinder head bolts.
  1. Follow the removal procedure in reverse order.
  1. Tighten the bolts in sequence, in three stages, to 70 Nm (51 lb/ft).
    • Stage 1: Tighten all bolts to 70 Nm.
    • Stage 2: Retighten all bolts to 70 Nm.
    • Stage 3: Tighten all bolts an additional 90-100 degrees.
  2. Install generator bracket. Install bolts in four stages.
    • Stage 1: Hand-start bolt 1.
    • Stage 2: Install and tighten bolt 2.
    • Stage 3: Install and tighten bolt 3.
    • Stage 4: Tighten bolt 1.
  3. Install the A/C compressor mounting bracket. Install the bolts and the stud.
    • Tighten the M10 bolts and stud to 48 Nm (35 lb/ft).
    • Tighten the M8 bolt to 25 Nm (18 lb/ft).

Mar 10, 2010 | 1999 Ford Ranger SuperCab

3 Answers

1999 chevy suburban 2wd 1500 v8 driving


I suspect you have had an oil pump failure. To get at the rotory gear oil pump you will have to drop the oil pan. After you take the pan off, ( having drained the oil the oil pump is what the oil pick up line leads into. That pick up assy. is a round shaped disc with a screen inside it. Clean the screen first then the oil pump. Install new oil pan gasket on reassembly. Hope that helps you. Please let me know.

Hopefully the engine was not damaged when the pump broke. If it was you may need a complete engine rebuild, MAYBE.

Jan 26, 2010 | 2003 Chevrolet Suburban 1500

1 Answer

I have two cilynder heads crack on my 1999 gmc suburban i but a motor from 1997 chevy van they both vortec are they the same cilyder heads


yes,as long as the years are the same ,or close,look for mounting brackets,and such to be the same,

Dec 09, 2009 | 1999 GMC Suburban

1 Answer

1999 chevy blazer wont start


THE FUEL PUMP IS BAD.

if your losing fuel pressure after the pump runs the drain back valve in the pump has failed.

and i doubt that you are seeing enough fuel pressure to run a vortec engine.

low fuel pressure equals a non running vortec

Apr 11, 2009 | 1999 Chevrolet Blazer

1 Answer

1999 chevy suburban misfire


could be one of several things
1) run a compression check, if it low on that cyl then you have a blown head gasket or burnt valve
2) could be the enjector

Feb 26, 2009 | 1999 Chevrolet C2500

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