X-Type ( X400 ) 2001 - 2009
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Noisy tappets

 
  #1  
Old 04-05-2019, 09:14 AM
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Default Noisy tappets

Does anyone have any tricks I could try to fix this?

I have tried the hydraulic valve lifter additive before with no luck , I don't really want to take apart the engine yet to try clean them or replace them.

Is there any tricks or additive good enough to help the tappets ?
 
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Old 04-05-2019, 09:30 AM
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Last edited by car5car; 04-05-2019 at 09:36 AM.
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Old 04-05-2019, 11:33 AM
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The X-Type engines are of the Overhead Cam design and as such do not have lifters. The cams are mounted directly above the valves. It is unusual to have have cam/valve rattling without some other condition creating it. Miracle additives are just that a miracle if they help.
When did it start making noise?
What occurred before the noise started?
Has the engine been overheated?
It would also be helpful to engine size and type.
 
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Old 04-05-2019, 07:10 PM
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Originally Posted by avern1 View Post
The X-Type engines are of the Overhead Cam design and as such do not have lifters. .
Click on my link and look at lifters.
 
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Old 04-06-2019, 04:14 PM
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More proof you can't believe everything you read on the internet. The seller doesn't know what they are called but he is sure they are valuable they are after all, a Jaguar part.
Below is what they really are. A round tube that holds the shim that adjusts the cam to valve clearance.



 
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Old 04-06-2019, 04:32 PM
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But.....but.....but, Avern.....the "professional mechanic" car5 said it fixes the OP problem. Even has a follow up "read my link"! I'm so confused.......
 
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Old 04-06-2019, 08:25 PM
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Originally Posted by Dell Gailey View Post
But.....but.....but, Avern.....the "professional mechanic" car5 said it fixes the OP problem. Even has a follow up "read my link"! I'm so confused.......
I am not a professional mechanic, Dell. I sell parts on ebay.
 
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Old 04-06-2019, 08:32 PM
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this is Kawasaki tool for shim replacement. You stick it between camshaft and lifter, pushing lifter down to replace shim. Make sure piston is down, lobe up.
https://www.ebay.com/itm/OEM-KAWASAK....c100005.m1851
 

Last edited by car5car; 04-06-2019 at 08:44 PM.
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Old 04-07-2019, 03:12 PM
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Can't wait to buy an ASIAN MOTORCYCLE tool to work on my British Automobile that is an OVERHEAD CAM ENGINE WITH NO LIFTERS, smfh.

 

Last edited by Dell Gailey; 04-07-2019 at 03:22 PM.
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Old 04-08-2019, 05:44 AM
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I can't remember when the noise started but it has been there over 4 months ,
The car was never over heated , it has been over cooled if anything as my thermostats were giving me problems until I replaced both of them , they were keeping the engine to cool.

It's a 2litre diesel,
She still drives normal, I would rather have my car a little quieter tho.
 
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Old 04-08-2019, 08:57 AM
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I don't know about adjustments for diesel engine, I checked gas engine. We don't have diesel in USA. Find service manual.
 
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Old 04-08-2019, 09:01 AM
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My ALLDATA program says to remove camshafts to adjust valves(gas engine). This is wrong, cam removal is necessary only when car has solid lifters w/o shims (04 Nissan Maxima, for example). Jaguar engineers are smarter than Nissan.
 
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Old 04-08-2019, 09:30 AM
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Luke thanks for getting back to us. The added information makes a difference in the response. All of the information I have provided so far is based on the petrol engine. You engine doesn't have the tappet and shim arrangement shown in my previous post. Below is the correct information for your engine. As you can see the rocker arm rides directly against the camshaft on one side and the valve on the other side.
I was unable to find anything about rocker arm adjustment in the engine manual. As such I don't know if the rocker pin point on one side can be adjusted. I would have my doubts. Most likely the best you can do is a visual inspection for any damage to the rocker arms individually or to the rollers on the rocker arms. You can attempt to get a rocker clearance reading to determine if one or more is considerably worn as compared to the majority.
One last thought is you might want to get a stethoscope and try to determine if the rattle is actually from the cam area or if it is from the timing change area. There are 2 tensioners on the chain that can fail and cause the chain to rattle.
Good luck with you endeavors and let us know how it works out.








 
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Old 04-08-2019, 02:22 PM
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+1 on the stethoscope
Possible timing chain guides noise

Found this old post from a Jag Tech in 2009 =

When the cars been sitting long enough that you think it will make its noise do this. Right after startup while the rattle is happening give the throttle a quick rap to 2000 rpm or so and see if the noise instantly goes away. If it does the VVT units are suspect. Not common but there is a VIN range with this potential problem not listed in any service bulletin.
 

Last edited by Dell Gailey; 04-08-2019 at 02:51 PM.
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Old 04-09-2019, 04:40 PM
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Quote from JTIS

This is a 4-cylinder, 16-valve, common rail direct injection 2.0L turbo charged diesel engine.This diesel engine design incorporates twin rocker shafts with 16 valves operated by hydraulically adjusted rocker arms.
 
 
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