Question about 1999 Buick LeSabre

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Have a 99 buick lasaber checked fuel is at 50 lbs has spark spits back in intake where the heck is the cam sensor located

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Under water pump. Is intake leaking coolant into combustion chamber?

Posted on May 31, 2010

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2001 buick century torque prints for haeds on up


the 3100 specs
Type: Bolt Dim: Length: Head: Hexagon Grade: 37 Ft-Lbs 444 In-Lbs 50.17 N-m Connects: Cylinder Head To Engine Block Years: 1998-2001 Vote Record: Vote Note: 3100 - Head Bolts - 2 Steps: 37FtLbs; +90deg
12 Ft-Lbs 144 In-Lbs 16.27 N-m Connects: Exhaust Manifold To Cylinder Head Years: All Vote Record: Vote Note: 3100 - Exhaust Manifold to Cylinder Head
Type: Bolt Dim: Length: Head: Hexagon Grade: 9.58 Ft-Lbs 115 In-Lbs 13 N-m Connects: Intake Manifold To Cylinder Head Years: All Vote Record: 0/1(0%) Note: 3100 - Lower Bolts - 2 Steps: 5 FtLbs; 9.58 FtLbs Here are the head bolt torques for a 3.8
37 Ft-Lbs 444 In-Lbs 50.17 N-m Connects: Cylinder Head To Engine Block Years: 1999-2005 Vote Record: Vote Note: 3800 II - 2 Steps: 37FtLbs; +120deg
13 Ft-Lbs 156 In-Lbs 17.63 N-m Connects: Exhaust Manifold To Cylinder Head Years: 1999-2005 Vote Record: Vote Note: 3800 II - Exhaust Manifold to Cylinder Head - NOT FRONT 2
7.42 Ft-Lbs 89 In-Lbs 10.06 N-m Connects: Fuel Rail To Intake Manifold Years: All Vote Record: Vote Note: 3800 II - Fuel Rail Mounting Bolts 2.25 Ft-Lbs 27 In-Lbs 3.05 N-m Connects: Idle Air Control Valve To Throttle Body Years: All Vote Record: Vote Note: 3800 II - Idle Air Control Valve to Throttle Body Type: Bolt Dim: Length: Head: Nut Grade: 11 Ft-Lbs 132 In-Lbs 14.92 N-m Connects: Intake Manifold To Cylinder Head Years: All Vote Record: Vote Note: 3800 II - Intake Manifold to Cylinder Head Bolts/Nuts
7.42 Ft-Lbs 89 In-Lbs 10.06 N-m Connects: Intake Manifold Plenum To Intake Manifold Years: All Vote Record: Vote Note: 3800 II - Intake Manifold (Upper) to Lower Manifold Type: Bolt Dim: Length: Head: Hexagon Grade: 14 Ft-Lbs 168 In-Lbs 18.98 N-m Connects: Knock Sensor To Cylinder Head Years: All Vote Record: Vote Note: 3800 II - Knock Sensor

Jul 24, 2016 | 2001 Buick Century

1 Answer

4.6 Liter 99 Lincoln TC has rough idle & loss of power. OBC has NO CODES & NO LEAKS anywhere. Long Term Fuel Trim seems to be steady and reading right, but Short Term Fuel Trim is jumping all over the...


Check the gap on your plugs, also check to make sure you don't have bad spark plug wires. At night start your car and look at the spark plugs IF you see any sparks that look like lightning then you have a bad plug, or wire.

Oct 14, 2013 | Cars & Trucks

1 Answer

Show picture of how to put alternator on 2.2 s10


This answer is in a previous question; just keep in mind this procedure to install:
  1. Position the alternator in the vehicle and loosely install the retaining bolts.
  2. On 1994-98 models, tighten the top alternator bolt to 22 ft. lbs. (30 Nm) and the bottom bolt to 32 ft. lbs. (43 Nm).
  3. On 1999-99 models, tighten the rear bolt to 37 ft. lbs. (50 Nm) and the front bolt to 18 ft. lbs. (25 Nm).
  4. On 1994-98 models, install the alternator brace, then tighten the retaining nut(s) and bolts to 22 ft. lbs. (30 Nm).
  5. On 1999-99 models, install the alternator brace, tighten the brace-to-alternator and brace-to-intake retainers to 18 ft. lbs. (25 Nm). Tighten the brace-to-engine stud nut to 37 ft. lbs. (50 Nm).
  6. Install the battery terminal wire and tighten the retaining nut, then engage the alternator wiring connector.
  7. Hold the serpentine drive belt tensioner, back off the belt while slipping the belt over the alternator pulley. Gradually lower the tensioner into contact with the belt, then check for proper alignment and tension.
  8. Connect the negative battery cable.





Previous question link HERE.


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Thank you for using FixYa, have a nice day.

Jun 21, 2012 | Cars & Trucks

1 Answer

Won't start sometime


you need to determine if its a no spark or no fuel problem.check to see if you have spark at the plug.if so then you will need to see if its getting fuel.check this when it won`t start as when its working its pointless.to check for fuel you can spray intake cleaner into the intake when it won`t start,if it does then stalls when it has burnt what you sprayed then its a fuel problem.the pressure will have to be checked with a gage to get a proper reading.the pressure should be about 35 lbs.pumps are a common problem with this year.if no spark then you will have to find what component is causing the no spark.

May 09, 2011 | 2001 Buick Regal

1 Answer

Need to replace intake manifold how do you do this


Bonneville, LeSabre, Park Avenue 2000-2005 Intake Manifold - Removal & Installation

3.8L Engine
VIN 1 Engine
  1. Before servicing the vehicle, refer to the Precautions section.
  2. Relieve the fuel system pressure.
  3. Drain the cooling system.
  4. Remove or disconnect the following:
    Negative battery cable Supercharger Thermostat housing Exhaust Gas Recirculation (EGR) tube at the intake manifold Engine Control Temperature (ECT) sensor Intake manifold
To install:
  1. Install or connect the following:
    Intake manifold with new gaskets. Torque the bolts, working from the center out, to 11 ft. lbs. (15 Nm). ECT sensor connector EGR tube to the intake manifold Thermostat housing Supercharger Negative battery cable
  2. Refill and bleed the cooling system.
  3. Run the engine and check for leaks and proper engine operation.

VIN K Engine
  1. Before servicing the vehicle, refer to the Precautions section.
  2. Disconnect the negative battery cable.
  3. Drain the cooling system.
  4. Relieve the fuel system pressure.
  5. Remove or disconnect the following:
    Fuel injector sight shield Air inlet duct Spark plug wires from the right side Manifold Absolute Pressure (MAP) sensor Vacuum lines from the intake manifold Fuel lines Fuel injector electrical connectors Fuel regulator vacuum line Fuel rail from the intake manifold Exhaust Gas Recirculation (EGR) heat shield Throttle cable bracket from the cylinder head mounting bracket and the throttle body cables Throttle body support bracket Upper intake plenum and gasket Thermostat housing Electrical connector from the Engine Coolant Temperature (ECT) sensor Drive belt tensioner assembly EGR valve outlet pipe Lower intake manifold

    a5adffa.jpg
    Fig. Exploded view of the intake manifold and related components-3.8L (VIN K) engine
To install:


140d431.jpg
Fig. Upper intake manifold torque sequence-3.8L (VIN K) engine


4950e4f.jpg
Fig. Lower intake manifold torque sequence-3.8L (VIN K) engine
  1. Install or connect the following:
    Intake manifold using new manifold gaskets. Torque the bolts in sequence to 11 ft. lbs. (15 Nm); then, re-torque to 11 ft. lbs. (15 Nm). EGR valve outlet pipe Drive belt tensioner assembly. Torque the tensioner bolts to 37 ft. lbs. (50 Nm). Electrical connector to the ECT sensor Thermostat housing Upper intake plenum. Torque the intake plenum bolts to 88 inch. lbs. (10 Nm). Throttle body support bracket Throttle cable bracket to the cylinder head mounting bracket and the cables to the throttle body lever EGR heat shield Fuel rail. Torque the fuel rail bolts to 88 inch. lbs. (10 Nm). Fuel lines Fuel regulator vacuum line Fuel injector electrical connectors Vacuum lines to the intake manifold MAP sensor Spark plug wires Fuel injector sight shield and air inlet duct Negative battery cable
  2. Refill and bleed the cooling system.
  3. Run the engine and check for leaks and proper engine operation.

Hope this help (remember rated this).

May 17, 2010 | 2001 Pontiac Bonneville

1 Answer

Have a 99 buick lasaber checked fuel is at 50 lbs has spark spits back in intake where the heck is the cam sensor located


On most v/6 the alternate has to he removed then you can see it, Have you checked the code and that is what you go ? if you have any further questions feel free to ask . Thank You 4 letting us serve You. Hope this helped. please let us know .

Mar 25, 2010 | 1999 Buick LeSabre

1 Answer

I have a 1994 Chevy S 10 pickup with a 2.2 It will not start. I have changed the crank sensor and PCM. I have 50 lbs of fuel pressure and injectors are worknig. I have spark and 150lbs of compression on...


to tell if it is a fuel problem try spraying starter fluid in air intake if it starts it's a fuel problem (check fuel filter first) was the check engine light on? also try unplugging the mass air flow sensor and try starting it

Mar 17, 2010 | 1994 Chevrolet S-10

1 Answer

Car starts but won't stay running it's a 99 buick Regal GS Supercharged


CHECK FUEL PRESSURE IT SHOULD BE 41 - 47 PSI. IF NOT REPLACE FUEL FILTER.IF NO CHANGE. REPLACE FUEL PUMP.IF FUEL PUMP IS GOOD.YOUR PROBLEM COULD BE A INTAKE LEAK OR SPARK IGNITION PROBLEMS.ALSO USE A SCANNER TO CHECK FOR FAULTY SENSORS OR THEFT DETERENT PROBLEMS.

Sep 18, 2009 | 1998 Buick Regal

2 Answers

My 1997 buick lasaber with 3.8L cuts out when driving at any speed but just sometimes and if u do not have the gas on it will die but will start right back up what would cause this to happen


Have the mass air flow sensor chk'ed . It detects air going through he intake. If it senses nothing, it will cut off the fuel. A plug i diagnostic check may reveal the exact cause. Take it to a shop that has a code reader. That would be best.

Sep 13, 2009 | 1997 Buick LeSabre

1 Answer

Speedometer problem on 05 buick lasaber


Send cluster to model electronics and have it checked.

Jun 13, 2009 | 2005 Buick LeSabre

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