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What would cause all of the oil to leak out of my 1997 Pontiac Bonneville if it isn't the oil pan, or oil filter?

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  • Cars & Trucks Master
  • 1,007 Answers

So there are obvious drips on the floor then?
Assuming those two which you mentioned are fine, then the other most probable and common oil leaks are from:
Rocker cover gasket(s)Front or rear crankshaft oil seals.

Posted on Nov 03, 2012

  • Tamara Skeen Nov 03, 2012

    When I got the oil change the oil went straight through and all leaked out.

  • Jamie Alton
    Jamie Alton Nov 04, 2012

    Eek! That's going to take some time and money to fix all of those!

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6 Suggested Answers

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Posted on Jan 02, 2017

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motor1258
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SOURCE: need diagram how to install serpitine belt on 1997 pontiac bonneville se 3800

8th digit of your vin# needed. Is it an "L", "C" or "K" ?

Posted on May 26, 2009

  • 1214 Answers

SOURCE: Oil Leak

Take the car to a car wash and power wash the engine. Do this ONLY with a cold engine. And be prepared to have problems with it starting as water get's into the electrical components. Take some WD-40 with you to spray inside distributor caps, on spark wiring, etc. to get the engine running again.

Then check the engine weekly to see where the oil is coming from.

Posted on Jan 23, 2009

MrScary66613
  • 1990 Answers

SOURCE: serpentine belt for 1997 pontiac bonneville sse w/ supercharger

http://www.mvreader.com/multiview/dayco/catalogSearch.php?autoCatalogSearch=1&make=PONTIAC&model=BONNEVILLE&year=1997&year_from=&year_to=&engine=All&l=n

This should help. Please Rate My Response! Thanks!

Posted on Feb 04, 2009

vickygomar
  • 460 Answers

SOURCE: looking for fuel filter location on my 97 pontiac bonneville

It is located under the drivers side floor acessable from under the vehicle. For pics and instructions check out .http://www.pfyc.com/supportfiles/gasfilter/

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Posted on May 26, 2009

chanddra2009
  • 615 Answers

SOURCE: oil leak at the bottom of the oil pan.

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 the intake 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, the oil 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

    Posted on Jul 10, 2009

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