Users browsing this forum: 101 Guest(s)

The XUD and DW8 Engines

The XUD is the 1905cc indirect injection diesel engine as fitted to the 93-97 Ph1 & Ph2 diesel 306s, it comes in both turbo and non turbo variants. The non turbo XUD9A produced between 67-71hp depending on year. The turbo model makes 92hp as standard, but was derated to 90hp from 1997 onwards. It is a very popular engine across many older PSA cars and very popular to tune with its fully mechanical Bosch axial or Lucas rotary injection pumps. They are also renown for there reliability and being easy to fix / work on. The later models also featured a catalytic converter in the exhaust along with EGR for emissions. DW8 The DW8 is essentially a derivative of the older XUD9 design, an 1868cc engine it is considered a 1.9 litre, although may sometimes be shown as a 1.8 litre to distinguish from the XUD7 and XUD9. It is fitted to 1999> Ph3 Diesel 306s along with many other cars and light commercial vans, namely the Peugeot Partner and Citroen Berlingo. The name would suggest it is part of the DW line of engines that replaced the ageing XUD, although it has more in common with the XUD with it's mechanical rotary Delphi/Lucas pump which is near identical in operation to that of the XUD, it shares more in common with the XUD9 than the DW10/12 engine. The engine does have an "ECU" of sorts, although this computer is purely for it's complex EGR emmissions systems and anti-theft systems, however underneath all of this lurks a very familiar mechanical Indirect Injection engine which is incredibly reliable due to it being based upon 25 years of design and refinement and being reasonably low stress. The engine is rated at 69-72hp, again dependent on year.

Mark this forum read XUD Section
Thread / Author			Replies [asc]	Views	Rating	Last Post
Forum Announcements
		Forum changing to Read-Only - Stage 1 Fooby	-	-	-	02-09-2021, 09:30 PM
		306oc Facebook Group Eeyore	-	-	-	09-08-2021, 10:15 AM
Normal Threads
		boost gauge rooting? paul7278, 07-11-2013, 11:20 PM	5	1,356	0 Vote(s) - 0 out of 5 in Average	08-11-2013, 10:22 PM Last Post: paul7278
		Timing belt help Check30, 09-11-2013, 04:01 PM	5	1,391	0 Vote(s) - 0 out of 5 in Average	09-11-2013, 04:28 PM Last Post: ally406
		Flatting turbo adapter plates 306Puggy, 10-11-2013, 12:19 PM	5	1,745	0 Vote(s) - 0 out of 5 in Average	11-11-2013, 04:36 PM Last Post: martyn92
		Heater matrix, uh oh. Dean, 19-11-2013, 10:58 PM	5	1,157	0 Vote(s) - 0 out of 5 in Average	22-11-2013, 04:08 PM Last Post: r3k1355
		possible turbo problem? willJspears, 22-11-2013, 08:43 PM	5	1,459	0 Vote(s) - 0 out of 5 in Average	27-11-2013, 08:37 AM Last Post: willJspears
		Hearing a screech Matt, 22-11-2013, 08:52 PM	5	1,475	0 Vote(s) - 0 out of 5 in Average	23-11-2013, 11:07 AM Last Post: Tom
		Bang bang bang LewisG306, 01-12-2013, 07:40 PM	5	1,942	0 Vote(s) - 0 out of 5 in Average	02-12-2013, 01:24 PM Last Post: LewisG306
		Welded wastegate questions scottbmxer, 02-12-2013, 05:02 PM	5	1,258	0 Vote(s) - 0 out of 5 in Average	12-01-2014, 04:18 PM Last Post: Jesskendall123
		Engine Code Help? Lwilliams, 08-12-2013, 03:54 PM	5	1,368	0 Vote(s) - 0 out of 5 in Average	13-12-2013, 09:03 PM Last Post: Lwilliams
		T25 oil line karl1989, 11-12-2013, 07:23 PM	5	1,354	0 Vote(s) - 0 out of 5 in Average	12-12-2013, 07:57 PM Last Post: karl1989
		Leak off Danny2009, 17-12-2013, 12:35 PM	5	1,896	0 Vote(s) - 0 out of 5 in Average	18-12-2013, 03:34 PM Last Post: Danny2009
		Relay Clicking paul7278, 18-12-2013, 12:54 PM	5	1,725	0 Vote(s) - 0 out of 5 in Average	19-12-2013, 12:07 PM Last Post: Chris_90
		Preventative maintenance andyyy, 16-02-2014, 07:03 PM	5	1,338	0 Vote(s) - 0 out of 5 in Average	18-02-2014, 03:48 PM Last Post: Dum-Dum
		Xud acting like limp mode Daniel306, 24-01-2014, 09:04 PM	5	1,033	0 Vote(s) - 0 out of 5 in Average	24-01-2014, 11:32 PM Last Post: Tom
		Custom oil lines clarkey2010, 26-01-2014, 10:17 PM	5	1,623	0 Vote(s) - 0 out of 5 in Average	27-01-2014, 11:48 AM Last Post: anto
		Turbo help CJ_Derv, 27-01-2014, 01:23 PM	5	1,205	0 Vote(s) - 0 out of 5 in Average	27-01-2014, 03:14 PM Last Post: CJ_Derv
		306 1.9 TD DTurbo XUD9 engine replace questions shazilla, 28-01-2014, 11:12 PM	5	1,499	0 Vote(s) - 0 out of 5 in Average	04-02-2014, 10:13 PM Last Post: shazilla
		hdi rods "dw4" rryan, 29-01-2014, 08:50 AM	5	1,613	0 Vote(s) - 0 out of 5 in Average	29-01-2014, 01:52 PM Last Post: zx_volcane
		Tdo4 airfilter Daniel306, 01-02-2014, 03:14 PM	5	1,417	0 Vote(s) - 0 out of 5 in Average	01-02-2014, 09:08 PM Last Post: clarkey2010
		boost gauge pipe sizing maxlee, 06-02-2014, 06:30 PM	5	1,814	0 Vote(s) - 0 out of 5 in Average	08-02-2014, 06:20 PM Last Post: Tom
		Bosch pump question paul7278, 01-03-2014, 12:30 PM	5	1,141	0 Vote(s) - 0 out of 5 in Average	03-03-2014, 03:34 AM Last Post: Ben Jay
		205 with an xud randomcaller, 10-03-2014, 09:24 PM	5	1,309	0 Vote(s) - 0 out of 5 in Average	11-03-2014, 10:49 AM Last Post: td_dan
		Breather hose billythekid, 18-03-2014, 10:48 AM	5	1,500	0 Vote(s) - 0 out of 5 in Average	18-03-2014, 12:18 PM Last Post: padge
		Gov mod/LDA grind on standard turbo philpemberton94, 18-03-2014, 05:44 PM	5	2,112	0 Vote(s) - 0 out of 5 in Average	19-03-2014, 09:25 AM Last Post: mr_fish
		Rear water housing. ConorTRG, 02-04-2014, 01:06 PM	5	889	0 Vote(s) - 0 out of 5 in Average	09-04-2014, 11:24 PM Last Post: ConorTRG
Sort by: Subject Sort by: Last Post Sort by: Author Sort by: Creation Time Sort by: Rating Sort by: Replies Sort by: Views Order: Ascending Order: Descending From: Today From: 5 Days Ago From: 10 Days Ago From: 20 Days Ago From: 50 Days Ago From: 75 Days Ago From: 100 Days Ago From: The Last Year From: The Beginning