Question about 1998 Volkswagen Passat

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Need to change the oil pressure sqitch on a vw passat

Need to change the oil pressure switch on a vw passat 1998 1.8 turbo but not sure where it is.
Just want to know where the oil pressure switch is located as the warning light 'stop, oil pressure low' keeps coming on. I'm about to empty the sump, flush the system and refill with oil and i need to change the oil pressure switch at the same time (just in case). it may just be a sludge build up but might as well just do all of the above anyway while i'm on it.

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  • Volkswagen Master
  • 4,048 Answers

Hi before you do an oil change try seafoam in the engine oil. this can sometimes fix the problems you are having, I used seafoam in engine oil and fuel and breather line and ran engine for 100 miles, but don't run hard, and its cleaned all the sump and oil veins in the engine, as checked with a scope looking though the oil sump plug. it did a really good job, my engine is a bit older than yours 1994. oil sensor is at the bottom of the engine on the sump. pressure sensor is above the oil filter it has a single wire conection
need to change the oil pressure sqitch on a vw pas - 2008-10-06_195653_3-ejhhfaob3r52isj515onotvq-5-0.png

Posted on Jun 12, 2017

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6 Suggested Answers

6ya6ya
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SOURCE:

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Posted on Jan 02, 2017

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j_del
  • 1586 Answers

SOURCE: VW Passat turbo broken

Pricing for the replacement will vary widely based on who does the work, but you'll typically find better prices at an independent shop than at a dealership. When you choose an indie shop though, make SURE they're a Euro specialist. You honestly don't want a guy working on your high-tech turbo engine when he spends his days wrenching on Mustangs and Chevy trucks. As for whether you have to do it - yes you do. The turbo is an integral part of the car and the car won't run well at all (and will likely degrade further) if you don't fix it.

Posted on Sep 30, 2008

  • 3600 Answers

SOURCE: waste gate jammed on torbo on 2002 passat

go to alldata.diy.com pay $20.00 to get detailed info on the trubo, most likey the hose is wore out the rubber hose and will have to be replaced the waste gate keeps from over boosting the engine so if the hose is worn the clamps won't hold it any more. remove the hoses on the turbo wiggle the turbo shaft back and forth and end to end there should be no play in the shaft if there is you need a turbo kit and can buy one to rebuild it, look up bell turbos in oregon on the net and get his number he can tell you the cost of the kit and how to rebuild. If you have excessive oil on the rubber hose then you have a blown oil seal and it will need to be replaced. you are lucky at this pont and the kit will come with what you need to fix the waste gate as well, but dought the gate is the problem.

Posted on May 24, 2009

Molson02536
  • 3854 Answers

SOURCE: how much oil is required when changing the oil and filter

1998 VOLKSWAGEN PASSAT 1.8L 4-cyl Engine Code AEB/AWM Turbo
Models with 1.8L Engine codes AEB, ATW, AUG, AWM only
use engine oil that is formulated to meet
Volkswagen oil standard VW 502.00
(with viscosity of SAE 5W-40, 5W-30 or 0W-40).


CAPACITIES: Engine, with filter..........3.5 liter To prevent overfilling during oil changes, add 0.5 liter
(0.5 quart) less than capacity shown, start engine, let run
until engine operating temperature is approx. 60 °C (140 °F)
, switch engine off, wait 3 minutes, check dipstick,
fill to full mark as indicated on dipstick (may be more or
less than 0.5 liter (0.5 quart) depending on model).

As for the sludge question, I add Marvel Mystery Oil around 600 miles before i do my oil change. This will clean out the oil pick up screen and oil journals through out the engine, I do this on every oil change and i have over 356,000 miles on my engine. Oil and filter changed every 3,000 miles intervals. Good luck and hope this helps.

Posted on Dec 23, 2009

  • 6 Answers

SOURCE: engine sludge

There are many ways to deal with engine sludge. Simplest way is to go to the dealership and have an oil change first. Next is to put brand name cleaners next time you fill up. Also you might want to use a higher grade fuel (ex. Premium) every once in a while as well as go to gas stations such as Shell which would decrease and prevent build up.

Posted on Dec 30, 2009

  • 97 Answers

SOURCE: my 1.8 20v turbo has no power but builds up

Check fuel system. Leaks,Dirty filter can cause this
condition. You could have gotten a tank full of bad fuel. If this is the case ,you must drain all fuel and dispose of it properly. Change the fuel filter AGAIN.
This should keep you busy this weekend.

OH, by the way you may have to replace the Turbo!!

Posted on Dec 31, 2009

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Hi i have vw passat 2004 4 motion 1,8 turbo and i have oil presure light


Make sure the oil pressure pressure switch is plugged in, make sure the wire isn't damaged or touching ground anywhere, and make sure your oil is at the right level. If it all checks out, the switch may be bad. To verify, remove the oil pressure switch and connect a pressure gauge to that port. You should be able to find oil pressure values online for your engine.

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LOW OIL LITE COMES ON WHEN RPM REACH 2000


sounds like the oil is staying in the head
and not returning to the lower end fast enough
the oil returns are clogged and restricting the flow.
The fix for this is remove valve cover clean returns
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If you do not know what you are doing take it to a mechanic.

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My 2006 2.0 tdi passat keeps going in limp mode and saying emissions workshop. Can anybody help


hi mate, my 55 plate passat did the same before major problems happened. first turbo went then the oil pressure light came on and the car went into limp mode. before its too late for you and a costly bill can you do the following.
check if your car has a recall for the injector problems which vw are replacing under warenty.
second thing the guy who repaired my turbo told me that these cares have a major fault which caused the turbo to go. the fault is the oil pump failure you must adress this issue as you can get a lot of info on the discussion forms.
my car started with the same problem as you have described the pd engines have a design fault with the oil pump and shaft. this is common causing your turbo to go then the car will start showing oil pressure low please stop engine. educate your self via the forms and act quickly befor you end up with massive bills.
i hope this has helped. trust me vw know about this design fault.you need to change your chain driven oil pump to the new gear driven system which vw have modified. all vag cars have the same problems be it audi skoda vw . my car had the same problem as you have said .started off with emissions then turbo failed thats when i started to investigate this problem . the pd engines was designed by some rookie at vw.

Sep 13, 2012 | 2006 Volkswagen Passat

1 Answer

Hi In my VW Passat 2002 model with 118K I got oil pressure indicator and stop sign in dashboard. and got off. what I have to do now?


Oh no sorry to hear that. You did the right thing by stopping. If you have the 1.8 turbo engine this happens too often. The oil pressure sending unit could be the problem, but most likely it is the oil pump. This engine has sludge buildup problem & VW is aware of it, so there is hope. VW issued this update awhile back....

Passat owners. 1998 through 2004: VW has just made a warranty extension covering certain oil sludge repairs on these models. It is now covered for 8 years unlimited mileage and will reimburse for repairs made because of this problem. See your local dealer or contact VOA for more information.

Good luck, i hope this helps.

Jul 05, 2011 | 2002 Volkswagen Passat

1 Answer

How much oil is required when changing the oil and filter in a 1998 VW passat sedan 1.8L turbo? I've also heard that there is a oil slugde problem with those engines, are there any additives or solutions...


1998 VOLKSWAGEN PASSAT 1.8L 4-cyl Engine Code AEB/AWM Turbo
Models with 1.8L Engine codes AEB, ATW, AUG, AWM only
use engine oil that is formulated to meet
Volkswagen oil standard VW 502.00
(with viscosity of SAE 5W-40, 5W-30 or 0W-40).


CAPACITIES: Engine, with filter..........3.5 liter To prevent overfilling during oil changes, add 0.5 liter
(0.5 quart) less than capacity shown, start engine, let run
until engine operating temperature is approx. 60 °C (140 °F)
, switch engine off, wait 3 minutes, check dipstick,
fill to full mark as indicated on dipstick (may be more or
less than 0.5 liter (0.5 quart) depending on model).

As for the sludge question, I add Marvel Mystery Oil around 600 miles before i do my oil change. This will clean out the oil pick up screen and oil journals through out the engine, I do this on every oil change and i have over 356,000 miles on my engine. Oil and filter changed every 3,000 miles intervals. Good luck and hope this helps.

Dec 23, 2009 | 1998 Volkswagen Passat

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I would check the oil pressure sensor and the oil pump itself. You can take the sensor out and use a mechanical gauge to check the oil pressure. If the oil pressure is within specs, you need a new sensor, if not, you need a new pump.

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I have a 2003 Passat GLX V6 and i havent been experiencing this issue, however from my experience with VW, the early 2000 models of the passat that have a 1.8T 4 cylinder engine have a major issue with what has been deemed "oil sludge" you have to be careful with this engine oil wise and make sure to get the oil changed every 3,500 - 4,500 miles and make sure you get the full synthetic oils for it and the proper filters :-) the turbo that is on this model heats up the oil to extreme temperatures and if not serviced regularly you will have problems.... i hope this helps! i would have someone check it again for this issue... hopefully you get to it before it becomes costly!

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VW Passast low oil - light came on - ok to drive?


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