Question about 1994 Buick Roadmaster

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Replacing front oil seal

Is it common when the seal goes out to have oil just pour out of the end, or is there another probelm with too much oil pressure?

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  • Breelyn Oct 22, 2008

    sometimes when i drive the car it will slow down. i will be going 55 and i will drop down to 20 what is going on?????



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With car running yes you are running 60 to 80 psi with car running when car is not running no it will drip maby but should stop

Posted on Jul 18, 2008


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When starting toyota fortuner 3.0 liter blowing blue smoke what is causing this

It is oil smoke. The most common causes are worn valve guide seals, a faulty PCV valve, or, worn or broken oil control rings on the pistons. Only 1 or 2 cylinders need be at fault.

Check the PCV valve for fouling. Have a compression test done. If readings are low or irregular, pour a few ccs of engine oil into the suspect cylinders thru the plug holes. If compression readings then improve, it is probably the rings at fault.

Less common causes are worn big end bearings spraying excessive oil up the cylinder walls, or a leak from the head gasket, oil to cylinder.

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My back end seal is leakig

"The rear main bearing seal? This is expensive to get at, about $1000. Unless the oil is pouring out I'd just put a drip tray under it and top up the oil occasionally.

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Replace oil and filter and try again. Could be a plugged oil filter.

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the oil pump pressure relief vale is not functioning causing oil pressure to be to high, replace oil pump

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Yea , and what would you like to know ? After sitting five years the seals are all no good ! Have the engine pulled an resealed ! Has the same gas been in as long too ? Clean fuel system too . Have engine checked too , ring's have a Tendency to collapse ! You may drive a couple hundred without a problem , but sooner ,rather then later the front seal , rear seal , transmission seales will leak .

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Oil leak on driveway coming from front of engine

Dear Sir,
Here is the oil leaking Problem Identifying Technique

Engine oil leaks from the valve cover gasket are common.

  • The intake manifold plenum gasket may leak and cause increased oil consumption/burning and a spark knock during acceleration; the gasket should be replaced.
  • External oil leaks from valve cover gaskets, intake gaskets (front or rear), and the rear crankshaft (rear main) seal area are common. The rear main seal is an unlikely source. Normally, the bearing cap mating surfaces (as well as the sealing surface between the oil pan and bearing cap) are the source for the leaks.
  • Engine oil leaks at the distributor can be misdiagnosed as leaks from theintake manifold seal, oil pan gasket, or rear crankshaft (rear main) seal. A revised distributor is available if oil is found inside the distributor.
  • If the oil filter casing shows signs of distortion from excessive oil pressure, theoil pump should be replaced.
  • Often misdiagnosed as a leaking oil filter gasket, the oil filter adapter can seep from between the adapter and engine block.
  • Carbon buildup on the top of the piston is common. As the buildup increases with mileage and over time, symptoms may vary from light ticking, to ticking/hammering, to hammering/knocking noises. Fuel injector cleaner often solves the problem.

  • I think it helps to analyse u r Problem

    Nov 02, 2012 | Toyota Cars & Trucks

    1 Answer

    Need to replace oil pan on a bmw 2004 330ci

    Raise engine with special tool 00 0 200 approx. 5 mm.
    - Remove suction filter housing. Remove engine splash guard.
    - Drain engine oil. On vehicles with automatic transmission:
    - Disconnect oil lines from automatic transmission and from oil pan.
    - Release guide tube for dipstick.

    Note: M52TU and M54 only.
    - Detach return hose from cyclone oil separator on oil dipstick guide tube.
    - Replace O-ring.
    - Remove front end reinforcement.
    - Detach steeling spindle from steering gear.
    - Remove vane pump for power steering unit (lines remain connected).
    - Disconnect plug connection to oil level sensor.
    - Loosen top and unfasten bottom of left and right engine mounts.

    E46 4WD only
    - Remove left and right swivel bearings.
    - Remove output shafts. Remove front propeller shaft.
    - Remove front axle differential.
    - Detach brackets for left and right control arms from engine carrier.
    - Release retaining brackets for left and right stabilizer bars.
    - Unfasten screw connection on front axle support and lower the front axle support.

    Note: There is no need to detach the steering gear from the front axle support.

    - Unfasten oil sump screws at transmission and engine ends.
    - Lower and remove oil sump.
    Sealing faces clean and free of seal debris.
    Apply approx.3 mm wide, 2 mm high coat of Drei Bond 1209 sealing agent to the area around seams.

    1. Replace gasket
    2. Install oil sump.
    3. Insert all oil sump screws.
    4. Insert screws in transmission end without preload at this stage.
    5. Tighten down screws in engine end.
    6. Tighten down screws in transmission end.

    E60 Removing And Installing, Sealing Or Replacing Oil Sump (M54)

    Necessary preliminary tasks. -
    - Remove intake filter housing
    - Remove guide tube for oil dipstick
    - Lowering front axle support
    - Drain off engine oil
    - Disconnect plug connection to oil level sensor.

    On vehicles with automatic transmission:
    - Detach oil lines from automatic transmission and from oil pan.
    - Unfasten oil pan screws at transmission and engine ends.
    - Lower and remove oil pan.

    Sealing faces clean and free of seal debris.
    Apply approx.3 mm wide, 2 mm high coat of Drei Bond 1209 sealing agen to the area around seams.


    1. Replace seal.
    2. Install oil sump.
    3. Insert all screws on transmission end, without preload at this stage.
    1. Tighten down screws on engine end.
    2. Tighten screws on transmission end.

    Or take it to a dealer....

    Apr 19, 2011 | BMW 330 Cars & Trucks

    1 Answer

    I have a 2006 Isuzu NPR that is leaking oil. I called husky trucks and they said to look online to find out how to fix the referential seal leak. I could not find any how tos to fix this probelm. ...

    It is a bit new to have a serious oil problem.
    Never heard of a "referential" seal. I am familiar with rear main seal and differential seal.
    But first you need to find the leak.
    The thing to do is steam clean the engine so that you can see better.
    (avoid heat or water around alternator, starter, ignition, etc)
    Then put cardboard under it.

    Also a bad PCV can cause excess crankcase pressure that forces oil out.
    Top valve cover gasket is very common.
    Rear main seal will come out from bell housing bottom.
    You might also want to consider thicker oil, like Castrol 20W-50.
    Oil pressure sending units also often leak.
    Filter could be not sealing right, due to things like left over seal, etc.

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    Grease leaking from front end

    Check the axle boot. When they rip or crack they will sling grease around.

    Oct 29, 2009 | 2000 Chevrolet Blazer

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