Two Engine Questions about my 2002 PT

[jackfrisch]

i have a 2002 pt limited with 121,000 miles on it.
it has alwasy run perfectly wth no issues or problems.
it is well maintained. i use full synthetic oil and change the filter every 3000 miles. i change all the oil at 9000 miles as recommended with synthetic.

QUESTION 1:
i just had some preventative work: i had a well recommended shop not a dealership change my timing belt, water pump and serpentine belt

before the work the car ran smoooth. i had done my plugs and wired 5-6 months ago.

the car now runs great a sit did , but idling at a red light or in park in my driveway it runs a tad bit rough. enough i can feel it as i sit in the car.

the shop that did the work they cant fix it when i brought the car back that to them a day or two later, they are telling me i need to go to the dealership now, to get the computer cheked.

have you ever experienced this?

QUESTION 2
i have been hearing tapping under the hood, cant tell if its on the top end or below, it doesnt occur at start up and is only noticable after driving for a little while. i find it hard to believe i might have a bad bearing or soemthign in the lower end near the oil pan. i place my hand there and feel nothing as far as vibration or other. i am oging to my dealrship monday cause i am concerned. othhrwsie the car i running very well.

have you experienced this?

[quicksilverdon]

question 1 -
Double-check that the plug wires are seated - they are tough to push on - you should feel a "click".
Forget 5-6 months, how many miles? What wires you use?
Also try putting in something like Techron in the gas. (can get it all WalMart).

Question 2 -
I hear a tapping every now and then, too.

There's a tech service bulletin:
09-007-04 03/02/2004 Engine & Engine Cooling:Engine -
Irregular Engine Snapping Sound

OVERVIEW: This bulletin involves chamfering the bore
radius on cam bearing caps L2 through L5 and R2 through R5.

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).

SYMPTOM/CONDITION: 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.

[jackfrisch]

Wow!!

thanks.

i think they are autolite wires and the plugs were bosch plugs

[quicksilverdon]

Those wires/plugs should be okay for a while. Did it run like a dog right after the belt was changed? Sounds like they could've been off a tooth when they put the new belt on. Do a search here on timing belt - severla have done it themselves and got the symptoms you describe by not having everything lined up properly with the new belt.

[jackfrisch]

no it ran smooooth and perfect before the etiming belt change.
if thats the case, that the belt is on wrong, does that mean it has to come off to be fixed?

[CREWZIN]

Originally Posted by jackfrisch

no it ran smooooth and perfect before the etiming belt change.
if thats the case, that the belt is on wrong, does that mean it has to come off to be fixed?

Yes, if the sprokets weren't aligned properly and your off just one tooth, the timing of everything will be off and it all has to come apart again.