Question about 2000 Cadillac Seville

1 Answer

Vacuum Leak, the car jurks sometimes while riding.

Posted by on

1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points


    An expert that got 20 achievements.


    An expert that got 10 achievements.


    An expert that got 5 achievements.

  • Cadillac Master
  • 19,396 Answers

When the problem is a vacuum leak you also have troubles at idle.
The vacuum can be tested using an hand tool gauge like this.
Vacuum/Fuel Pump Tester Kit
Once you find the leak, replace the leaking part.
Often it is easy to find the leak at a glance, as it is hissing or you notice the air out from the leak. Other techniques are pumping smoke inside vacuum or spreading soapy water on vacuum lines.
check also the EGR valve.
If you need the vacuum system diagram purchase a repair manual like this one : 2000 Cadillac SeVille STS Repair Manual on CDROM .
Here also a free tutorial on vacuum problems.

Posted on Jul 14, 2009

1 Suggested Answer

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

I just had a diagnostic ran on my car and was told I had a vacuum leak. I drove it for a couple of days and when I got home the car stopped but the radio and lights were still on

The vacuum leak will make it run poorly also sometime the vacuum leak shows up when it is actually the seal on the fuel cap not sealing properly. if the car shut off with the key still on then it indicates the vacuum leak could be enough to make the fuel mixture too lean to run at idle

Nov 06, 2015 | 2006 Nissan Maxima

2 Answers

Have 2000 malibu that idles to fast

Fast idle is often caused by a faulty TPS. Throttle Position Sensor. The computer is not able to determine exactly where the throttle is so it compensates by applying too much throttle automatically to avoid stalling the engine. Just went through this with a delivery truck at work that would run at 40 without touching the gas. Scary ride in a 2 ton truck.

Jul 02, 2014 | 2008 Chevrolet Malibu

1 Answer

My fiat polio jurkes when it is running

Possible misfire on the spark plug or coil pack, if left and not repaired they can sometimes damage the ecu's. Reomve the plug leads from the coil pack side, one at a time and start the engine the spsrk from the plug should be strong enough to jump across to earth out, if not try a good quality coil pack. Goodluck

Nov 25, 2013 | 2004 Volkswagen New Beetle Convertible

1 Answer

I have a 2000 cadillac deville it has started jurking sometimes what could that be...

Have to have a scanner put on it & go for a road test,
to look at data

Ignition Coils
Vacuum Leaks
Evap Issues
Fuel Control

Have to check for codes first
& do some testing

Dec 16, 2012 | 2000 Cadillac DeVille

1 Answer

1997 bonneville 3800 engine vacuum leak

Look for cracked and gummy vacuum hoses on the manifold. You may find one disconnected. Sometimes you can get by with shortening the hose slightly and then connect it back..

Nov 11, 2012 | 1997 Pontiac Bonneville

1 Answer

Engine jurking only when driving

usually , it is a hose loose or a carb gasket is leaking. spray around it with soapy water. the leak will **** the water in and usually thats your leak

Dec 11, 2011 | 1998 Ford Econoline

1 Answer

Heater fan Switch works sometimes sometimes it does not

There are two possible causes for this problem. If you meant the blower sometimes works and sometimes doesn't, you most likely need a new resistor it is an easily replaceable part, located below the glove compartment on the passenger side, inside the cab. If you meant that the switching from defrost to heat and vice-versa only sometimes works, your problem is most likely a vacuum leak. There is a hose that originates from the front bumper and controls things like whether you have heat or defrost, as well as cruise control and a few others. Often you can find the leak by spraying soapy water on the vacuum line and simply taping up the leak, or by replacing the (inexpensive) vacuum hose.

Hope this helps!

Jan 24, 2011 | 1999 GMC Suburban

1 Answer

1995 mystique only on high full throttle it bugs down, but sometimes it works perfect,new timing belt,new head,fuel pump,iac motor,fix wiring on the injectors,clean and attach all grounds,no codes,

computer cars r complicated-u cud hav a vacuum leak that doesnt show code--may need to clean some injectors-inner ones--how r the plug wires they wear internally as well as coil--maybe du another scan-ur ride is 16yrs

Sep 01, 2010 | 1995 Mercury Mystique

Not finding what you are looking for?
2000 Cadillac Seville Logo

865 people viewed this question

Ask a Question

Usually answered in minutes!

Top Cadillac Experts


Level 3 Expert

75822 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22156 Answers

Jeff Turcotte
Jeff Turcotte

Level 3 Expert

8210 Answers

Are you a Cadillac Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides