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The XU Engine

The XU engine was fitted to a lot of 306's throughout its production. 5 variants of the engine were used in the 306 ranging from the smallest in the range, the 1.8L 16 valve (XU7JP4) to the range topping 2.0L 16 valve 167bhp GTi/Rallye engine (XU10J4RS). All Petrol engines 1.8L and above form a part of the XU range and any questions regarding these should be posted here. If you have a smaller petrol engine like the 8 valve 1.6L, this comes under the TU range which is where you should post your engine related questions. If your engine runs on diesel then there is two ranges of engine used in the 306, both of which can be found on the main forum page under the 'XUD' or 'HDi' heading. Any diesel related questions should be posted under one of these sections depending on which engine you have.

Mark this forum read XU Petrol Engines
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Important Threads
		306 Rallye Register (Pages: 1 2 ) Dum-Dum, 05-05-2015, 06:14 PM	43	37,288	0 Vote(s) - 0 out of 5 in Average	28-04-2017, 02:26 PM Last Post: wainwrightj
Normal Threads
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		Cambelt change on XU7JP4 Morecowbell72, 11-06-2021, 05:57 AM	1	1,319	0 Vote(s) - 0 out of 5 in Average	13-06-2021, 02:40 PM Last Post: Mighty306
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		1.8 16v PH3 Meridian cold start 306meridian, 25-04-2021, 10:38 AM	4	1,731	0 Vote(s) - 0 out of 5 in Average	26-04-2021, 05:26 PM Last Post: Mighty306
		Turbocharging XU10J4R... ekjdm14, 24-01-2021, 06:31 PM	7	3,428	0 Vote(s) - 0 out of 5 in Average	21-02-2021, 02:20 PM Last Post: ekjdm14
		swat from 1.8 8v to 2.0 16v - wiring diagram fail green_enya, 07-02-2021, 10:04 PM	2	1,752	0 Vote(s) - 0 out of 5 in Average	08-02-2021, 08:56 PM Last Post: Mighty306
		XU10J4 - S16 Upgrade Pingaz, 25-10-2020, 02:50 PM	0	1,341	0 Vote(s) - 0 out of 5 in Average	25-10-2020, 02:50 PM Last Post: Pingaz
		Specialist Garage around Greater London Black306, 21-10-2020, 02:13 PM	1	1,195	0 Vote(s) - 0 out of 5 in Average	22-10-2020, 04:47 PM Last Post: Mighty306
		XU10J2 ENGINE NEEDED ukszatt, 14-10-2020, 02:37 PM	6	1,561	0 Vote(s) - 0 out of 5 in Average	22-10-2020, 09:43 AM Last Post: ukszatt
		Xsi engine upgrades (need advice) (Pages: 1 2 ) Adam-m-h, 25-08-2014, 03:09 PM	30	9,424	0 Vote(s) - 0 out of 5 in Average	05-10-2020, 10:38 AM Last Post: Mighty306
		K-light code 52, exhaust values ok Charlskalas, 07-06-2020, 04:20 PM	12	5,948	0 Vote(s) - 0 out of 5 in Average	29-07-2020, 07:16 AM Last Post: Charlskalas
		Cambelt change on 1.8 16 valve lukecrowley571, 27-07-2020, 01:05 PM	4	1,574	0 Vote(s) - 0 out of 5 in Average	28-07-2020, 02:51 PM Last Post: Mighty306
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		306 XSi Crankshaft pulley/balancer Premier 350, 30-03-2020, 09:49 PM	4	2,675	0 Vote(s) - 0 out of 5 in Average	02-04-2020, 08:23 AM Last Post: Premier 350
		306 asi Air box Jimy, 10-03-2020, 02:53 AM	1	1,549	0 Vote(s) - 0 out of 5 in Average	10-03-2020, 03:41 PM Last Post: Mighty306
		ICV robinco81, 28-02-2020, 04:02 PM	5	2,892	0 Vote(s) - 0 out of 5 in Average	29-02-2020, 03:00 PM Last Post: Mighty306
		GTI6 ECU KevinTW, 11-01-2020, 07:52 PM	0	1,382	0 Vote(s) - 0 out of 5 in Average	11-01-2020, 07:52 PM Last Post: KevinTW
		Radiator & Lower Hose Connection Type Mighty306, 15-11-2018, 09:45 AM	4	2,852	0 Vote(s) - 0 out of 5 in Average	23-12-2019, 08:30 PM Last Post: Mighty306
		AC Delete crazydave, 10-05-2018, 09:28 AM	6	3,892	0 Vote(s) - 0 out of 5 in Average	23-12-2019, 08:19 PM Last Post: Mighty306
		Silicone Hoses or OEM Replacements wainwrightj, 05-02-2019, 10:43 AM	6	4,109	0 Vote(s) - 0 out of 5 in Average	18-12-2019, 02:25 PM Last Post: crazydave
		flywheel s16 on td niciou, 16-08-2019, 10:35 AM	0	1,338	0 Vote(s) - 0 out of 5 in Average	16-08-2019, 10:35 AM Last Post: niciou
		Fuel line replacement... Bishop, 12-07-2019, 08:36 AM	2	2,251	0 Vote(s) - 0 out of 5 in Average	14-07-2019, 12:54 AM Last Post: Bishop
		More power xsi Quietone, 18-03-2019, 10:07 AM	5	3,402	0 Vote(s) - 0 out of 5 in Average	01-04-2019, 11:15 AM Last Post: Quietone
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