Question about 1992 Oldsmobile 88

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92 delta 88 3.8

Trans fluid leaking into air intake manifold, connecting tube, and air filter

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Replaced faulty trans modulator, which allowed trans fluid to enter manifold, connecting tube, saturate air filter, and seep into oil pan thru engine via vacuum line from the modulator

Posted on Jul 26, 2008

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Transmission on my 1983 delta 88 royal is leaking trans fluid while I am driving and when sitting still please help


Your are sure it is transmission fluid? If it is, there are probably seals on the shafts and on the pan that are leaking. This means removing parts like the transmission pan and replacing the gaskets. It could also be a main seal on one of the shafts that are on the engine and output side of the transmission. This is not a job for the average do it yourself person. It requires special tools.

Feb 07, 2017 | 1983 Oldsmobile Delta 88

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Where is the throttle body on 2000 s Series Saturn auto trans


On the end of the intake manifold , connected to the air filter by a round rubber tube ! HOW TO CLEAN THROTTLE BODY AND SAVE

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Hi, my 2002 malibu hesitate and whistle when I accelerate. It only works fine under 20mph, but when it exceed, it whistles and hesitate on accelerating. On highway, it barely goes up to 60mph and when...


Whistle noise indicates a major vacuum leak. Maybe something loose in the intake system. Maybe a vacuum hose disconnected. Will explain lose of power also.

Jun 24, 2011 | 2002 Chevrolet Malibu

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My girlfriends 99 ford escort has been running for a few months with the P0171 code on. I replaced the air and fuel filters and sprayed down the MAF sensor but it still wont idle at all. Next on my list is...


Yes, a vacuum leak is the likely cause. Check all hoses attached to the intake manifold for leaks. If good, spray carb cleaner or ether on the intake manifold gaskets while the car is running. If the engine revs, you have a leak where you sprayed and will need to replace the manifold gaskets. Timing is controlled by the PCM, so don't worry about that. If you have any questions, please let us know.

Oct 28, 2010 | 2001 Ford Escort ZX2

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HOW TO DRAIN TRANMISSION


well, you drop the pan. This job is tricky to have not leak. I suggest that you go to a lube shop, and have them flush the system, then change the filter, in the trans.

Flushing gets the fluid in the torque converter, cooler, lines and the rest of the trans. Nothing is as complete. My fav. is the t-tech machine...What they do is open the cooling line, run the engine and flush new fluid in while allowing old to exit. They do this until clean fluid comes out...

Cool process.

Aug 18, 2010 | 1989 Oldsmobile Delta 88

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

Everytime i stop for a long or short time the car will cut off i replace the spark plugs and wires and the roader cap and ball


Possible vacuum leak. Use a can of carb cleaner spray to check for vacuum leaks. Remove air cleaner housing assembly and plug the vacuum line. Start car. While idling in park, spray cleaner around base of carb, intake manifold to head area and around all vacuum lines. If the idle increases or smooths while spraying an area, that is where the vacuum leak is.

Feb 21, 2010 | 1983 Oldsmobile Delta 88

1 Answer

Oldsmobile Delta 88, Idles High on Cold start with DTCs


Sounds like a vacumn leak. Gasket under intake plenum may be leaking. Be sure the pcv valve has the o-ring around it in the correct place also as it will set a code.

Jan 18, 2010 | 1997 Oldsmobile 88

3 Answers

Getting a lean burn error code on banks 1 & 2. reset it and drove 250 miles before it came back on. Reset it again but the code came back within 10 miles. Checked for vacuum leaks, none found, replaced...


Check for vacuum leaks.

Air tube between air filter and intake manifold.

If the motor has over 80,000 miles then the intake manifold gasket can **** in air and leaning out the air/fuel mixture.

Give each air / vacuum relayed hose a 1/8-1/4 turn.

Get a steam cleaning on the motor and check for any sign of leak around the sensors.


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One bolt thermostat housing. How do I get the housing off?


remove the other bolt from the thermostat housing and remove the housing. My fear at this point would be that by removing intake manifold bolts and wiggling the manifold you may have damaged the intake manifold gasket set, which is a much more indepth repair

Nov 27, 2008 | 1989 Oldsmobile Delta 88

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