Sluggish Performance Solved - Replaced Intake Manifold Links
04-25-2017, 10:35 AM
#31
AudiWorld Member
Wurth HHS-K isn't showing on the Wurth website anymore. An ebayer is selling HHS-Plus and saying that's the new name. I can only see HHS-2000 and HHS-5000 on the Wurth site.
The HHS-5000 looks like good stuff - plastic safe and resistant to high temperatures. Is that the new version of HHS-K?
Here'e the UK Wurth wesite link.
The HHS-5000 looks like good stuff - plastic safe and resistant to high temperatures. Is that the new version of HHS-K?
Here'e the UK Wurth wesite link.
04-25-2017, 02:27 PM
#32
AudiWorld Super User
Join Date: Feb 2012
Location: Moronville, Tennessee (Middle TN)
Posts: 2,223
Received 83 Likes
on
69 Posts
Wurth HHS-K isn't showing on the Wurth website anymore. An ebayer is selling HHS-Plus and saying that's the new name. I can only see HHS-2000 and HHS-5000 on the Wurth site.
The HHS-5000 looks like good stuff - plastic safe and resistant to high temperatures. Is that the new version of HHS-K?
Here's the UK Wurth website link.
The HHS-5000 looks like good stuff - plastic safe and resistant to high temperatures. Is that the new version of HHS-K?
Here's the UK Wurth website link.
To avoid further thread hijack I made a new thread.
HTH
Tom
02-17-2018, 08:21 AM
#34
Banned
Join Date: Aug 2016
Posts: 47
Likes: 0
Received 0 Likes
on
0 Posts
Noticed a sluggishness in performance but no engine codes to point to anything in particular. Yet there was a fairly obvious drop in performance. Turns out there are a couple of vacuum activated devices that open and close the air flow to the intake manifold. When they break and they will, performs decreases rather significantly as the engine can't breathe the way it was intended. The fix changes the performance enough to put a smile back on my face and reinforced why I love these cars. My 2006 A8 (4.2 US version) has gone through a couple of these factory supplied intake manifold vacuum devices and links. They were replaced under the extend warranty at about $400 each. This time, so I don't need to worry about them again, I replaced them with metal aftermarket links from gurenparts.com
Audi/VW 4.2 V8 Intake Manifold Linkage Arms - Gruven Parts
My set up required the short links, described as 1 inch for the A8/S8, if needed, confirm the size before ordering. There were just under $90 delivered, which isn't cheap but much better than the factory solution.
Here's a picture of the broken links, located at the front/top of the engine beneath the V8-4.2 logo plastic cover. Installation is straight forward, just took a bit of careful tugging on the broken plastic parts to get them off the ball joint. Be careful to support the plastic arms or diaphragm portion of the assembly to not break or damage them when pulling off the broken plastic links.
Like I said, very nice performance enhancement and improved fuel efficiency when the intake manifold is working properly. I hope others find this information helpful and inspire others to contribute their experiences in keeping our cars running their best.
Audi/VW 4.2 V8 Intake Manifold Linkage Arms - Gruven Parts
My set up required the short links, described as 1 inch for the A8/S8, if needed, confirm the size before ordering. There were just under $90 delivered, which isn't cheap but much better than the factory solution.
Here's a picture of the broken links, located at the front/top of the engine beneath the V8-4.2 logo plastic cover. Installation is straight forward, just took a bit of careful tugging on the broken plastic parts to get them off the ball joint. Be careful to support the plastic arms or diaphragm portion of the assembly to not break or damage them when pulling off the broken plastic links.
Like I said, very nice performance enhancement and improved fuel efficiency when the intake manifold is working properly. I hope others find this information helpful and inspire others to contribute their experiences in keeping our cars running their best.
02-18-2018, 08:41 PM
#35
AudiWorld Member
Thread Starter
In case you are confused, the A8L is no RACE CAR. Why would you get any satisfaction going against 9 year older technology and about 40% greater in weight than a Merc C63!? 2 TOTALLY different cars. Young grasshopper, you too will learn...
02-18-2018, 10:25 PM
#36
Banned
Join Date: Aug 2016
Posts: 47
Likes: 0
Received 0 Likes
on
0 Posts
