When first starting my Jag (89,500 miles) there is a ticking noise
coming from the engine. I then proceed in ‘‘D’’ for aprox. 25 feet
and I can hear a noise that sounds like things are synching up, the
ticking goes away and the car sounds completely normal while
idling. I can turn it off after driving and if I start it back up
relatively soon, it idles and sounds normal, but if it sits for
approx. 30 minutes or more, the car starts and acts as described
above. Any help is greatly appreciated. I’m aware of the tensioner
problems with this engine and don’t know if they have been replaced
but was thinking that that ‘‘noise’’ was more of a clanking rough
noise. The noise goes away almost immediately upon going forward
for a very short distance after hearing a sound like something has
fallen into place or ‘‘synched up’’. This is my best description. The
car drives beautifully otherwise and is only driven on weekends.–
HOFIII
Greenville, SC, United States
–Posted using Jag-lovers JagFORUM [forums.jag-lovers.org]–
In reply to a message from HOFIII sent Tue 17 Jul 2007:
Timing chain tensioners. Classic symptom.
Mine used to do that, it’ll get rattly at startup, and then when
you rev the engine to 1500-2000rpm, there’ll be the ‘‘syncing up’’
noise you describe.
Not a nice job, and expensive, but not getting it done quickly can
wreck the engine.–
1988 Daimler 3.6 Auto (Restoration Project - RHD)
Northumberland, United Kingdom
–Posted using Jag-lovers JagFORUM [forums.jag-lovers.org]–
–Support Jag-lovers - Donate at http://www.jag-lovers.org/donate04.php –
You are on the wrong list; this list caters to cars up to Series III.
Yours is a Series V XJ and there is a list dedicated to it. But the
sound you hear is consistent with a failing chain tensioner and this
should be investigated ASAP. Be aware that Jaguar has gone through at
least 3 designs for the tensioner for the V8, the latest and most
durable being made completely of aluminium.
Gregory
Victoria, Canada.
1966 Mark 2 3.8
1992 Series III V12 Vanden Plas
2002 X-Type-----Original Message-----
From: owner-xj@jag-lovers.org [mailto:owner-xj@jag-lovers.org] On Behalf
Of HOFIII
Sent: July 17, 2007 8:35 AM
To: xj@jag-lovers.org
Subject: [xj] X308 98 Vanden Plas ticking noise on startup
When first starting my Jag (89,500 miles) there is a ticking noise
coming from the engine. I then proceed in ‘‘D’’ for aprox. 25 feet
and I can hear a noise that sounds like things are synching up, the
ticking goes away and the car sounds completely normal while
idling
In reply to a message from Dr Gregory Andrachuk sent Tue 17 Jul 2007:
Well I had the tensioner update and timing chains and all parts
associated with it replaced with the latest metal, but that turned
out not be the problem causing the noise on startup, it was the
left variable value timing unit that had gone bad. The tensioner
and timing chains were still just fine but I’m glad to have
replaced them so I can drive freely with no worries of engine
failure like I was experiencing before.–
The original message included these comments:
Yours is a Series V XJ and there is a list dedicated to it. But the
sound you hear is consistent with a failing chain tensioner and this
should be investigated ASAP. Be aware that Jaguar has gone through at
least 3 designs for the tensioner for the V8, the latest and most
durable being made completely of aluminium.
In reply to a message from HOFIII sent Tue 17 Jul 2007:
Hi,
My car has developed the same problem - did you get a solution for
this? Is it still doing it. My car ‘ticks’ when cold before the
engine starts and then continues for a while after the engine has
been started. The noise seems to be coming from a box with fuel
lines coming out of it located behind the nearside (UK) headlamp.
In reply to a message from MattTodd sent Tue 17 Jul 2007:
Would these tick before the engine is fired up? My ticking starts
as soon as you turn the ignition key … could it be a fuel pump
priming up?–
The original message included these comments:
Timing chain tensioners. Classic symptom.
Mine used to do that, it’ll get rattly at startup, and then when
you rev the engine to 1500-2000rpm, there’ll be the ‘‘syncing up’’
noise you describe.
In reply to a message from Paul Larner sent Mon 8 Sep 2008:
If you have ticking before the engine is cranked, it won’t be the
cam chain tensioners. Sounds like maybe fuel pump. But, check
over on the X300 list. That list is for X300s, X308s and X350s.–
The original message included these comments:
Would these tick before the engine is fired up? My ticking starts
as soon as you turn the ignition key … could it be a fuel pump
priming up?
The original message included these comments:
Timing chain tensioners. Classic symptom.
Mine used to do that, it’ll get rattly at startup, and then when
you rev the engine to 1500-2000rpm, there’ll be the ‘‘syncing up’’
noise you describe.
–
1999 Jaguar XJR8
Hampshire, United Kingdom
