Xk8 timing chain problems Seems like watching you competitors TSBs might not be such a bad idea for the design guys…– It’s hard to be humble driving a Jag… Chandler, AZ Oct 17, 2008 · Well after reading for nearly 2 years here about timing chain problems, I had the misfortune of being stuck in a traffic jam on the Kennedy Expressway here in Chicago yesterday. She politely declined, due to the car being out of warrenty. A quick run-through of what’s involved in changing the timing gear of your Jaguar XK8, V8, AJ-V8 engine. For earlier XK8 owners like me, there are some serious issues but thankfully all can be resolved. 75 hrs. I’m new to the forum. Same deal, cheap plastic used in the tensioner gave way and the timing chain skipped. The tensioners keep the chain tight so it doesn't flop around; they work like the spring loaded derailleur on a bike. The engine noise may also be accompanied by a rough or uneven engine idle. 2 uses timing chains and tensioners which should last the life of the car and have been greatly improved since the 4. Would this be 2003 or 2004. The main purpose of a timing chain tensioner is to maintain an ideal level of tension in the timing chain and when the plastic material becomes brittle with age, the tensioners are bound to malfunction. I'm astonished at the mark up for Jaguar parts and am looking at the 2000 Lincoln LS V8 or Ford Thunderbird chain sets. XJR 3. I think from what I have read this is about the time that they fitted the steel tensioner. Improved components are available to remedy Apr 27, 2017 · I've been using the forum a lot as I've started cylinder head gasket replacement on my 1997 XK8 The engine is an AJ26 I will do the chains and tensioners at the same time. Jan 22, 2009 · Hi all. Dec 12, 2002 · To: xk8@jag-lovers. 0L. The inlet manifold is off, as is the water pump and the radi Secondary Timing Chain Tensioner - ‘A’ bank NCA 2017AF 1 Secondary Timing Chain Tensioner - ‘B’ bank NCA 2017BE 1 Warranty Information: FAULT R. What happens is that the chain tensioner Episode 21 Fitting new timing chains, guides and tensioners. Jul 2, 2017 · Life isn't that simple . May 11, 2020 · It has 140k miles on the clock and I can't see any documentation to say if the timing chains and tensioners have been changed. I seem to recall reading on here about excessive bore wear and timing chain problems on the earlier engines. O. I have a good chance to buy a '97 XK8 with 80,000 miles, but a little hesitant, as the best price for the parts and tools needed for the job, is a little over $1000. I am aware of the issues with the older models like my current one. Can anyone advise me the year that the above problem was finally solved. 2 engines fitted to cars from 2003 onwards are on the whole virtually bullet proof with all the problems associated with the earlier XK8 engines fitted from 1996 to 2002 having being resolved. org Subject: [xk8] Timing Chain Issue. Hello, Does anyone have any information about a timing chain vulnerability that the early XK8s have? Do you know what parts need to be replaced to correct any potential problems? Is there a retro-fit kit? I am replacing engines and need to know if the timing Mar 4, 2008 · yup, after sourcing all the right tools for locking off the cams , and the crank pulley remover along with the flywheel ( torque converter ) locking tool , and after buying all the right parts from my local Jag dealership including all new gaskets for the cam-cover ( outer seal, spark plug seals , bolt seals , variable cam sensor sealing ring etc etc ) i plucked up the courage to take the Jul 3, 2020 · Problem This is an excellent example of what you do not want to see happen to your Jaguar, you’ll note the broken secondary timing chain, and consequently the damaged engine valves. First of all - there are four timing chains on the Jaguar V8 engine - the so-called "primary" chains x2 which connect crankshaft to camshafts, and the "secondary" chains x2 which connect the two camshafts to each other. I believe there was an upgrade made around 2002 and then another about 2004. Should a customer express concern, and the fault has been confirmed as a timing chain tensioner, new primary or secondary timing chain tensioners must be installed. Chain & Tensioners come in at around £600 and fitting quoted at about £550. The Jaguar World articles available here don’t give the answer. in this field. Are there any other weak points I should be thinking about? The problems originated prior to 1996 as part of the Jaguar V8 engine design process and the objective of reducing weight as much as possible through the use of plastic component parts. TIME CODE NUMBER DESCRIPTION ALLOWANCE AN DF 07 12. I then appealed to the Jaguar Cars Board of Appeals I have a 1997 jaguar xk8 and it sounds like the timing chain has skipped, is the engine done or can i change the chain Anthony ASE Master Automobile Technician with over 20 years exp. com The Fine Print: The following is a summary of my experience replacing the secondary timing chain tensioners on my California-based ’01 XK8, VIN NA11439, with 53,500 miles. Gwen - The Jag V8 you have uses a chain drive (like a bicycle chain) to drive the cams that open and close the engine's valves. for help in paying for the replacement. On the 4. 0 liter V8, The designers used some lightweight plastic parts in the tensioner system. 0 June 2006 Distribution: www. 00 to have Scott Jaguar of Charlotte replace the engine, I appealed to the regional customer rep. I can’t wait to get my first XK8. 65 Timing chain tensioner, engine set XK8 2. Enquire if the vehicle you are interested in has had Removing the cylinder heads from a Jaguar 4. Another issue under the hood with the Jaguar XK8/XKR is timing chain tensioner problems, as early models were fitted with flawed tensioners. org TIMING CHAIN TENSIONERS V. Jun 4, 2016 · 1999 Jaguar xk8 rattle - possible secondary timing chain tensioner issue, this is the last time i started the vehicle, since then i have removed the sump pan to check misc parts that may have failed and are sitting in the bottom of the sump but there was not any. Apr 14, 2004 · Also, with the timing chain tensioners, Infiniti had very similar problems with their early 90s Q45 V-8s. I'm currently l… If you own a Jaguar XK8 or XJ8 sedan you need to read on, otherwise you may return to reruns of the SuperBowl half-time show. But don’t want to run into tensioner failure Many thanks, George– Camgear –Posted using Jag-lovers JagFORUM [forums. 1. After about 45 minutes of bumper to bumper traffic out of O’Hare, I got an ‘‘engine stalled’’ warning. Dealer tells me the Timing Chain Tensioners need replacing as they are worn and as it's quite a big job I may as well renew the chain as well. Many people say it was M/Y 2002, but others say it is not that simple; that some 2002 cars still had the plastic ones. jag-lovers. After repeated attempts to start the car, and after being sworn and and getting the finger several times Second opinion] I own a 2000 Jaguar XK8 with approximately 60K miles. 2's to avoid this issue, but the two nicest cars I've seen so far are both 4. This included the timing chain tensioners, in particular the secondary/upper chain tensioners but there have also been problems with the primary/lower chain Dec 22, 2010 · Is there any way to tell if a timing chain has been replaced without a service record. Sep 15, 2010 · Because the timing chain tensioners were made from plastic, they can fail prematurely and cause serious engine damage. After spending $10,000. This short video shows how we fitted and set the new timing components. From the start checking right through th Feb 23, 2004 · I reported last month that my 97 XK8 experienced a timing chain tensioner failure that effectively destroyed the engine. 0's, one with 70k and the other with about 93k Jul 29, 2018 · The plastic housing of Jaguar XJ8 timing chain tensioners as opposed to a metallic housing. Is it the same for the 4. chains are not likely to be an issue - it's the tensioners and guides that cause problems. On the early XK8 and XJ8 Jaguar vehicles, there is a known flaw in the upper timing chain tensioner. While the facts are not fully known to those outside Jaguar's engineering staff it appears that you are at risk of a failure of the camshaft secondary timing chain tensioner which, in the worst case, can lead to Nov 17, 2006 · I’ve been doing research on XKR weak points (thank you Jag-Lovers XK8 Forum) and understand them to be the primary/secondary chain tensioners and thermostat/waterpump. Some of the May 5, 2015 · Considering getting an XKR from around 2000 - 2002. A telephone call to my local dealer was handled more like a nuisance The good news is that XK8 4. I recently read that the early XK8 models had problems with timing chain tensioners that could cause expensive damage if not repla … read more Jan 18, 2007 · 1998 XK8 on 72K Just had a 70K service and post extended warranty check. The secondary timing chain tensioners were revised with another plastic bodied design which also failed over time with the disadvntage you'd not get the early warning rattle on start up as the mk2 . XJR) 2. 85 hrs. I can’t find any specific info on the changeover from early plastic to metal tensioners. 2ltr engine model? Episode 48. Apr 18, 2017 · V8 4. 65. Engines subject to this problem include XJ8/XJR engines with the last six digits of their VIN numbers between 812256-F41862, and XK8/XKR engines with the last six digits of their There are one or two very nice XK8/XKR's up for sale at the moment with very low mileages. 0 V8, normally aspirated, in a 1999 XK8 convertible. V8 XJ Series (exc. Chains, tensioners and gui May 16, 2022 · Without any major dismantling, is there any visual way to determine if the timing chain and tensioners have been replaced with the later upgraded type? I've been tentatively looking at X100's, and concentrating mainly on 4. A noticeable engine noise while idling or during a cold start can indicate a timing chain tensioner problem. The confusion maybe from the serpentine auxiliary belt which drives the alternator, air con compressor and power steering. May 10, 2008 · I've read a lot about the timing chain and tensioner problems but would like to know in what years the upgrades were made .
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