1999 SAAB 9-5 Whining noise (The dreaded sludge?)

A short clip of our SAAB 9-5 2.0T which has developed a rather annoying high pitched whine until warm. This problem (from what I've been reading) stems from oil sludge building up in the sump which will eventually starve the engine of oil. Heres to hoping its not quite that serious. The car is a 1999 and has 156k miles on the clock. EDIT: The problem was later diagnosed as having a thick build up of oil in the sump and was repaired by removing, cleaning the sump & strainer/pickup and refitting.

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Saab 9-5 DIY: Vacuum Line Replacement (Silicone Hoses) - Trionic Seven
This is a detailed guide for replacing the vacuum lines in your Saab 9-5. Instructions should also apply to the Saab 900, Saab 9000 and Saab 9-3, however there might be some minor differences. The old lines are made of rubber which will become brittle with age and eventually break. I choose to use high-quality silicone hoses for the new lines. Silicone is age-resistant and will last the lifetime of the car. Also, I like the color of the blue hoses, however you can buy them in any color depending on your preferences. I highly recommend replacing the vacuum lines in your Saab. Silicone hoses are cheap, too, and can be found in almost any car parts store (just avoid the very cheapest stuff). Time required is roughly 30 minutes to one hour. It can fix problems such as whistling noise, Boost leak, vacuum leak and low performance. You will need approx. 3 meters (10 ft) of hose with an inner diameter of 4mm. The outer diameter isn't important, but the hose in this video has an outer diameter of 8mm. Tools needed: Knife and side cutters. You can also add cable ties over the nipples to make extra sure that the hoses do not let go, however I didn't do this here. In addition, you can replace the check valve line that goes to the PCV system. If you have still have problems with Boost leaks you can check the EVAP line mentioned in the end of the video. If you need more access to the lines close to the firewall you can move the main harness connector away, check my video on replacing the coolant bypass valve for instructions: https://www.youtube.com/watch?v=I4SYrm0CEXM. Since I found a loose hose I was quickly able to diagnose and fix my Boost leak problems. Now the Saab 9-5 Aero Boosts up to 1.1 bars again, a significant improvement. In Swedish: Denna film visar hur man byter vakuumslangar i en Saab 9-5, 900, 9000 eller 9-3. Om turbon inte laddar fullt bör du börja med att titta över slangarna, i mitt fall hade jag en slang som lossnat. Gummi åldras och med tiden blir slangarna väldigt sköra och torra, och därför är det bättre att använda sillikon till de nya slangarna. Du behöver cirka 3 meter slang med 4mm innerdiameter. Köp inte slang från Biltema eftersom många har haft problem med denna. Trionic Seven is the YouTube channel for Saab enthusiasts. Follow us on social media: Google+: https://plus.google.com/+TrionicSeven Facebook: https://www.facebook.com/SevenTrionic Twitter: https://twitter.com/TrionicSeven Reddit: http://www.reddit.com/r/TrionicSeven Instagram: https://instagram.com/TrionicSeven




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