Question about 1998 Jaguar XJ8L

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Timing chain replacement

Can someone provide me with details on how to replace the timing chain,guides and tensioners for a 2001 jaguar xj8.I can't locate the timing marks and the camshaft sprockets don't have keyways to hold them in one place.

Steven

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Http://jeg.serverhouse.com/Jag_docs/Timingchain.pdf

Here it will show you step by step on how to do the job.

dssossg@aol.com

Posted on May 12, 2009

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I think Jaguar World Monthly magazine did an XJ8 maintainence book which covered this, it should be available direct or off that well known auction site.

Posted on Dec 13, 2008

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Hello Steven...this is not really a home job,you need special tools for locking the engine and camshafts,also re-timing the chains isnt the easiest of jobs with out the correct equipment

Posted on Dec 12, 2008

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1 Answer

The timing gear tensioner on my stype jaguar 2001 was replaced after the chain guides broke...a common failure for that year with plastic tensioners...would it not be a normal procedure to check or replace...


Failure to change your oil every 4,000 at most,
takes out VVT Actuators

When you do the guides you do the tensioners
Again no oil flow & gunked up

You can see the VVT on scan tool parameters & also
should mess with fuel trim data

If you change the upstream O2 Sensors at 100,000,
spark plugs every 3 years & clean the MAF you at least
have a clean start, with the exception of the cam & chain issues

Aug 31, 2013 | 2001 Jaguar S-Type

1 Answer

Jaguar xj8 2001 just completed timing chain & tensioner replacement. engine cranks won't start, what is the best trouble shooting sequence to use?


DID YOU RECONNECT IGNITION COILS AND THE VARIABLE VALVE TIMING SOLENOIDS.CHECK SPARK PLUGS IF YOU GETTING SPARK AT SPARK PLUGS.MORE LIKELY VALVE TIMING OFF.

Jul 04, 2011 | 1998 Jaguar XJ8L

5 Answers

When should the timing chain be replaced on a 2001 XJ8?


As most timing chains, when they start to get noisy, that is usually when they start to stretch beyond there limits, refer to owners/service manual for any periodic maintenance.

Feb 14, 2011 | 2001 Jaguar XJ8

1 Answer

I need to know how to set thte timing chain


Discoverd this indepth expalaination of process steps involved in the installation of the timing chain from an ASE certified technician. I hope this helps. See the repair manual on the link below.<br /> <br /> Link: <a href="http://www.2carpros.com/forum/2002-jaguar-xj8--gearbox-default-appear-on-dashboard/2000-jaguar-xj8-timing-chain-replacement-vt218070.html">http://www.2carpros.com/forum/2002-jaguar-xj8--gearbox-default-appear-on-dashboard/2000-jaguar-xj8-timing-chain-replacement-vt218070.html</a><br /> <table id="table14" style="BORDER-RIGHT: #000000 1px dashed; BORDER-TOP: #000000 1px dashed; BORDER-LEFT: #000000 1px dashed; BORDER-BOTTOM: #000000 1px dashed" bordercolordark="#000000" width="100%" bordercolorlight="#000000" border="0"> <tbody> <tr> <td style="BORDER-TOP-WIDTH: 1px" width="700"></td></tr> <tr> <td style="BORDER-TOP-WIDTH: 1px" width="700"><span class="name" roundtrip="0" lastvisited="3">By <a name="755408"></a><b roundtrip="0" lastvisited="0">Dave H</b>,<b> </b></span><span class="postdetails" roundtrip="0" lastvisited="0">Certified ASE Technician</span></td></tr> <tr> <td style="BORDER-TOP-WIDTH: 1px" width="100%" roundtrip="0" lastvisited="6"></td></tr> <tr> <td style="BORDER-TOP-WIDTH: 1px" width="700"></td></tr> <tr> <td style="BORDER-LEFT-WIDTH: 1px; BORDER-BOTTOM-WIDTH: 1px; BORDER-RIGHT-WIDTH: 1px"> </td> </tr> <tr> <td colspan="2"> <span class="postbody" roundtrip="0" lastvisited="77">PRIMARY TIMING CHAINS (NON-SUPERCHARGED) <br />NOTE:The 4.0L V8 has no engine timing alignment marks on the crankshaft or camshafts. Engine timing is achieved by installing the Crankshaft Setting Peg (303-531) and Camshaft Locking Tool (303-530). With the crankshaft setting peg in position, ensure the timing flat on each camshaft is in the uppermost position before installing camshaft locking tool. Variable camshaft timing unit may also be referred to as Variable Valve Timing (VVT) unit. <br /><br />NOTE:Special Tools Required: Crankshaft Setting Peg (303-531), Camshaft Locking Tool (303-530), Chain Tensioning Tool (303-532), Primary Chain Wedge (303-533) and Variable Camshaft Timing Oil Control Unit Setting Tool (303-654). See Fig. 232-Fig. 236 . <br /><br />NOTE:"A" bank refers to the right/passenger side of the vehicle and "B" bank refers to left/driver side of the vehicle. <br /><br />NOTE:Each door glass automatically drops 12 mm when the door is opened or when the convertible top is raised or lowered. It is important that windows are lowered before battery is disconnected to allow doors to shut properly. <br /><br />Removal ("A" Bank) <br />Tips Click a link to view tip <br />Tech1Tip: special tool <br /><br /><br />Remove timing cover. See TIMING CHAIN COVER (NON-SUPERCHARGED). <br />Remove the variable camshaft timing oil control solenoid. </span><br /> <span class="postbody" roundtrip="0" lastvisited="77">Remove the variable camshaft timing oil control unit housing retaining bolts and remove the variable camshaft timing oil control unit housing. </span><br /> <span class="postbody" roundtrip="0" lastvisited="77">Remove and discard the variable camshaft timing oil control unit housing "O" rings. <br />Raise and support vehicle. Remove the bolt which secures the Crankshaft Position (CKP) sensor to the flywheel housing. Remove the CKP sensor and allow it to hang free under the engine. Remove the torque converter bolts access grommet from the flywheel housing. </span><br /> <span class="postbody" roundtrip="0" lastvisited="77">Install the crankshaft damper bolt (old one) to the crankshaft, hand-tight only. Rotate crankshaft until the triangular arrow indent on the flywheel is visible through the access hole. See Fig. 144. Confirm that the timing flat on each camshaft is uppermost position. <br />Position the crankshaft so that the Crankshaft Setting Peg (303-531) engages fully into the timing slot. Install and tighten the bolt to secure the crankshaft setting peg. See Fig. 145. Remove the crankshaft damper bolt from the crankshaft and lower the vehicle. <br />Install the Camshaft Locking Tool (303-530) to the "A" bank camshafts, aligning the shafts slightly as necessary. Loosen the bolt that secures the exhaust camshaft sprocket and the bolt that secures the variable camshaft timing oil control unit. See Fig. 146. Remove camshaft locking tool. <br />Remove the primary chain tensioner bolts, primary chain tensioner and tensioner backing plate. See Fig. 147. <br />Remove the primary timing chain tensioner pivot bolt and remove the primary timing chain tensioner blade. See Fig. 148. <br />Remove the bolt which secures the primary timing chain guide. Noting the position of the primary timing chain guide, remove the primary timing chain guide from the upper retaining pin. See Fig. 149. <br />Remove the primary timing chain from the variable camshaft timing oil control unit and from the crankshaft sprocket. Clean and inspect all components. <br />Installation <br />If "B" bank timing chain was removed, see INSTALLATION. If not, go to next step. <br />If previously removed, install the timing chain sprocket to the crankshaft. The teeth of the "A" bank and the "B" bank timing chain sprockets on the crankshaft must be out of phase with each other. If they are in phase after installing, remove the sprocket, turn it on its vertical axis and reinstall sprocket. See Fig. 150. <br />Install the chain tensioning tool to the exhaust camshaft sprocket. Reposition the sprocket (and the variable camshaft timing oil control unit) for the most advantageous position for use of the tool. See Fig. 151. Remove the tool. <br />Install the primary timing chain into position over the crankshaft sprocket and the variable camshaft timing oil control unit. There must be no slack on the drive side of the primary timing chain and the sprockets must not be rotated on the camshafts, or the tensioning tool may not fit. See Fig. 152. <br />Install the primary timing chain tensioner blade to the cylinder block. See Fig. 148. Install the pivot bolt and tighten specification. See TORQUE SPECIFICATIONS. <br />Push the primary timing chain tensioner piston into the tensioner body to provide clearance for installing the primary timing chain. Insert a thin rigid wire through the hole in the end of the tensioner piston to displace the ball from the non-return valve seat. See Fig. 153. With the wire in position, press the piston fully into the tensioner body. Remove the wire. <br />Install the 2 primary timing chain tensioner bolts to the primary timing chain tensioner and locate the tensioner backing-plate on to the 2 bolts. Align and install the primary timing chain tensioner to the cylinder block and to the mating slot on the rear face of the primary timing chain tensioner blade. See Fig. 147. Tighten the primary timing chain tensioner bolts to specification. See TORQUE SPECIFICATIONS. <br />Use a Primary Chain Wedge (303-533), or 2 if needed, between the primary timing chain tensioner and primary timing chain tensioner blade, to take up the slack in the chain for tightening of the variable camshaft timing control unit and exhaust camshaft sprocket. See Fig. 154. <br />Using the chain tensioning tool, apply force to the tool in an counterclockwise direction to tension the chain on its drive side. See Fig. 151. While applying opposing force to the sprocket and chain, tighten the exhaust camshaft sprocket bolt to specification. See TORQUE SPECIFICATIONS. <br />Using the Variable Camshaft Timing Oil Control Unit Setting Tool (303-654), rotate the variable camshaft timing oil control unit fully counterclockwise to the fully retarded position. See Fig. 155. <br />Check that the primary chain wedges are still in place. While applying opposing force to the sprocket and chain using the chain tensioning tool, tighten the variable camshaft timing oil control unit bolt to specification. See TORQUE SPECIFICATIONS. Remove the chain tensioning tool and the primary chain wedges and camshaft locking tool. <br />Raise and support vehicle. Remove crankshaft setting peg. Install the CKP sensor and bolt to the flywheel housing. See Fig. 143. Tighten the CKP sensor bolt to specification. See TORQUE SPECIFICATIONS. Install the access grommet to the housing and lower the vehicle. <br />WARNING:Check that the ring dowels are engaged squarely. Fully locate the assembly as much as possible by hand. Failure to follow this procedure may result in damage to the vehicle. <br /><br />Install NEW "O" rings to the variable camshaft timing oil control unit housing. Lubricate the "O" rings and the bushing. Install the variable camshaft timing oil control unit housing. See Fig. 142. Install the variable camshaft timing oil control unit housing bolts. Tighten to specification. See TORQUE SPECIFICATIONS. <br />Install the variable camshaft timing oil control solenoid. See Fig. 141. Install and tighten the variable camshaft timing oil control solenoid bolt to specification. See TORQUE SPECIFICATIONS. <br />Install the timing chain cover. See TIMING CHAIN COVER (NON-SUPERCHARGED). </span><br /></td></tr></tbody></table>

Aug 26, 2010 | 2001 Jaguar XJ8

2 Answers

Just planing to buy a XJ8 1999 brand of Jaguar and want to be sure it's a good car in terms of general maintenance and gas consumption in particular


1998 to 2001 Jaguar XJ8 have a big engine design problem, timing chain tensioners are made out of plastic, and with time they brake ,causing big Damage to Engine, if you buy the car make sure those tensioners are replaced to a next generation tensioners wich are way better(made with some metal) as per gas consuption, about 16 miles per gallon in the city and 22 in the highway.

Mar 18, 2010 | 1998 Jaguar XJ8L

1 Answer

Jaguar XJ8 Restricted Performance Light


check ur air filter and flow to motor

Oct 24, 2009 | 2001 Jaguar XJ8

1 Answer

2001 jaguar XJ8 engine codes change what's the differences?


can be used but you must us your flywheel converter of original engine as crank sensor is different

Jul 02, 2009 | 2001 Jaguar XJ8

2 Answers

Timing chain broke and I was CURIOUS IF THIS IS A NORMAL MAINTENANCE ITEM THAT WASS NEGLECTED LIKE REPLACEMENT OF A TIMING BELT?


Timing chain broke on v8, 3.2 2001, will the piston hit the valves,and damage the pistons?

May 27, 2009 | 2000 Jaguar XJ

1 Answer

Engine Failsafe mode


Probably, your ZP HP-series transmission has failed. You didn't mention your car's mileage but failure is common from 60K - 120K miles. The "lifetime" synthetic fluid accumulates metal dust beyond the filter and magnet's ability to capture it, and sudden and catastrophoic failure occurs. Find a good independent shop (check your local Jag club) and they'll replace the transmission for around $6,000. The dealers charge twice that.

The other possibility is failure of the secondary cam chain tensioners. If you hear a clattering sound when you start the car, turn it off immediately and have the car transported to a good Jag shop. They can replace the plastic tensioners with metal ones for around $3,000. (Rough guess.) Make sure they do the same with the plastic primary tensioners and chain guides, and replace the chains. Failure to take this step after you hear the first symptoms will result in engine failure.

Also replace the plastic water pump and thermostat with alloy units.

Sorry for this bad news. I own a 2001 XJR and it is a fabulous car. It's still a Jaguar, though, and you're going to have to put a few thousand into it. Since these cars are selling for next to nothing on the used market ($12,000 for 80,000 miles), I consider preventive maintenance of $5,000 or so to be part of the investment in a world-class sedan.

Dec 31, 2008 | 2001 Jaguar XJ8

1 Answer

Engine light on, noisy idling, short coolant-2001 JAG VDP


Take the car to a specialist to check the timing chain tensioners, they are a known issue. I`d advise you to not use (or even start) the car till theyve been ruled out, the engine could be made scrap if the tensioners goes.

If it does need tensioners, get the later metal type ones fitted.

Dec 08, 2008 | 2001 Jaguar XJ8

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