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noticed a "ticking" noise

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Old 21 Apr 2004, 10:46 pm
Fresh Cruiser
Join Date: Apr 2004
Location: .
Posts: 9
Default noticed a "ticking" noise

Last night, a noticeable ticking noise was detected coming from under the hood. It wasn't the typical sound you hear from the fan running, but more like a lifter/tappet or a small exhaust leak. The dealership said the noise was a common problem on the turbo motors and I was wondering if this was true. Has anyone who owns an '03 GT Turbo experienced this?

Thanks for any responses that may help...

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Old 22 Apr 2004, 12:33 am
Dedicated Cruiser
Join Date: Jan 2003
Location: Washington State, USA.
Posts: 2,525

Welcome to the forum, jsp70.

I experienced this problem with my 2003 Inferno Red GT. [:0] Read about the SAGA of the "mysterious" turbo engine noise here:
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Old 22 Apr 2004, 12:30 pm
Senior Cruiser
Join Date: Jan 2003
Location: Huntington Beach, CA, USA.
Posts: 1,799

No ticking noise here @ 13,000 miles. That sounds like the dealership's "I'm to freakin' stupid and don't care about you go screw yourself unless you can bring your car in here for something I can charge you full retail for" standard answer. Hope there are other dealers in your area. Although they all seem to be trained with this response.
'03 Inferno Red GT, 5 speed, STAGE 1, Mopar BOV, Plastic Intake, Modified Upper and Lower Airbox, Custom Airbox-to-turbo pipe, Borla dual exhaust, Maddog Short Shifter, Drilled/Slotter Rotors, Ceramic Pads, chrome wheels, chrome door spears, AMP chrome fuel door, PT Cruiser 3rd light diffuser, H&R Springs, Rear Sway Bar added, MGW chrome door lock pulls, Blane's hood struts, Custom license plate mount, some interior dress up stuff...more to come
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Old 22 Apr 2004, 05:49 pm
Senior Cruiser
Join Date: Sep 2002
Location: Just south of the Mason/Dixon line
Posts: 1,713

mine does it. Has since new. I notice no ill effects from it so far. And I did say, So far[8D]
'03 GT base w/175k and a 2 speed autostick (read: trans is shot) and powered by a hybrid MOPAR S3 with DSP untuned
1st Forward Motion E1 powered PTGT w/Psi-Fi Power pack fuel tuner back in '07
FS: '03 GT Elec Blue w/rear suicide doors or '03 auto PCM, S3 turbofold, WGA, 3.5" o2 & 3" DP - make offer
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Old 23 Apr 2004, 11:15 am
Cool Cruiser
Join Date: Jul 2003
Location: ON, Canada.
Posts: 467

I've had that sound since new also, some are of the opinion that it comes from poorly adjusted lash adjusters.

So far I can't see any problems from it, to be honest i am afraid to let them wrench on the motor at the dealer.

It is a distressing problem for sure, on one hand I'm not sure if letting it go will cause problems down the road, on the other hand I feel more trouble will come of the repair.

I don't really have the time to fight back and forth with a dealer on this kind of thing, I need this car every day.


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Old 23 Apr 2004, 11:28 am
Dedicated Cruiser
Join Date: Oct 2003
Location: Jacksonville, NC, USA.
Posts: 2,612

Welcome to the forum jsp70!

2002 Inferno Red PT Limited
Photos and more at:
Mercedes Wiki
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  #7 (permalink)  
Old 23 Apr 2004, 01:12 pm
Fresh Cruiser
Join Date: Mar 2004
Location: High Point, NC, USA.
Posts: 21

My 03 Turbo did this too. Dealer replaced the cam bearing caps. That fixed it.

NUMBER: 09-007-04
GROUP: Engine
DATE: March 2, 2004
This bulletin is supplied as technical information only and is not an authorization for repair. No part of this publication may be reproduced, stored in a retreival system,
or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise, without written permission of DaimlerChrysler Corporation.
Irregular Engine Snapping Sound
This bulletin involves chamfering the bore radius on cam bearing caps
L2 through L5 and R2 through R5.
2001 - 2004 (JR) Sebring Convertible/Sebring Sedan/Stratus Sedan
2002 - 2004 (KJ) Liberty
2002 - 2004 (KJ) Cherokee (International Markets)
2003 - 2004 (PL) Neon
2001 - 2004 (PT) PT Cruiser
2001 - 2004 (RG) Chrysler Voyager (International Markets)
2001 - 2004 (RS) Town & Country/ Caravan/Voyager
2003 - 2004 (TJ) Wrangler
NOTE: This bulletin applies to vehicles equipped with a 2.0L, 2.4L DOHC or 2.4L
Turbo engine (sales code ECC, EDZ, ED1, EDV, ED2 or EDT).
The sound may be noticed when the engine is idling in park between idle rpm and 1400
rpm at normal operating temperature. The sound is on the upper end of the engine
(cylinder head) towards the front of the engine or passenger side (right side). The sound is
irregular, not periodic or harmonious. The frequency of the sound will increase with RPM.
The sound is more of a higher pitch snapping noise not a low metallic knock.
If the vehicle operator describes the Symptom/Condition and the technician determines
that the sound is from the upper end of the engine (cylinder head) towards the front of
the engine or passenger side (right side), perform the Repair Procedure.
09-007-04 -2-
1. Remove the cylinder head cover (Refer to information available in TechCONNECT
2. Remove L2 cam bearing cap (Fig. 1).
NOTE: Do not remove the #L1/R1 or L6 cam bearing caps, or loosen the fasteners.
NOTE: Only remove one cam bearing cap at a time.
3. Lightly chamfer the two bore radius edges with a small hand file, creating a 45 chamfer
1.0 to 1.5 mm in width along the edge of each bore radius (Fig. 2).
CAUTION: Be careful not to scratch bore surface of cam bearing
cap. Chamfer both bore radius.
4. Clean part to remove any aluminum filings prior to reinstalling.
-3- 09-007-04
5. Reinstall L2 cam bearing cap by loosely assembling fasteners. Prior to and during the
torquing of each fastener, twist the cam bearing cap by hand in a clockwise direction,
as viewed from the top of the engine. Torque M6 fasteners to 12 N·m (105 in. lbs.)
while maintaining a clockwise twisting force on the cam bearing cap.
6. Repeat steps 2 through 4 for cam bearing caps L3, L4, L5, R2, R3, R4, R5 and R6.
Reimbursable within the provisions of the warranty.
Labor Operation
52 Improperly Machined
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  #8 (permalink)  
Old 23 Apr 2004, 02:42 pm
Cool Cruiser
Join Date: Jul 2003
Location: ON, Canada.
Posts: 467


Did they replace the bearing caps or "hand file" them as described in your post?

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  #9 (permalink)  
Old 23 Apr 2004, 05:49 pm
Fresh Cruiser
Join Date: Mar 2004
Location: High Point, NC, USA.
Posts: 21

Well...I was told that they were replaced. But who really knows. It was a warranty repair so the details of how it was fixed were not on the paperwork I received.
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