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Replacing Camshaft

 
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Old 05 Feb 2011, 08:14 am
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Default Replacing Camshaft

I am replacing my camshaft in my 2001 Pt Cruiser w/o turbo. Does anyone know the torque spec and the bolt pattern for the cam cover caps?

Thank you
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Old 05 Feb 2011, 08:52 am
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Default Re: Replacing Camshaft

250 in lbs big, 110 in lbs small, 85 ft lbs on cam gears
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Old 05 Feb 2011, 08:58 am
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Default Re: Replacing Camshaft

Thank you!! Is there any pattern?
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Old 05 Feb 2011, 10:30 am
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Default Re: Replacing Camshaft

No. Do them incrementally, IOW- so the cam goes down slowly, evenly.

Make sure the 1/4 drill holes are up in the area with the Red arrows (disregard writing in pic)

Retard crank a few teeth so piston isn't at highest point
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Old 05 Feb 2011, 12:46 pm
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Default Re: Replacing Camshaft

I guess when you do 1 you have to do both???????
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Old 05 Feb 2011, 01:42 pm
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Default Re: Replacing Camshaft

No. Guy's'll use a 2.4 cam on one side and a Neon on the other.

Only the front cap has to come off for both.
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Old 06 Feb 2011, 07:28 pm
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Default Re: Replacing Camshaft

Actually the service manual says that when removing the cam to remove the two end caps first. They're referred to as cap no's. 1 and 6. Then remove the two center caps (referred to as no's 3 and 4). Then remove the remaining two caps (referred to as no's 2 and 5).

To install the replacement cam install the two center caps first (no's 3 and 4). Then install no's 2 and 5. The end caps (no's 1 and 6) are reinstalled last.

The M6 bolts should be torqued to 105 in-lbs
The M8 bolts to 20 ft-lbs
The camshaft sprockets to 85 ft-lbs.

All torqueing should be done in several sequintial steps

Make sure the crank is at around 3 notches btdc before starting to torque these caps down.

While you've got the cam cover off it would be a great time to drop in a DCR whistle.

Yes, you'll pick up a few horses by using the neon exhaust cam. It's been done many, many times.

This would also be a good time to install adjusable cam gears. I've found over the years that a good starting point would be around 3 to 4 degrees retard on exhaust and you'll probably end back at 0 change on the intake, but every engine is a little differant so it's best to dial it in on a dyno.

Jerry

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Old 02 Sep 2011, 04:06 am
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Default Re: Replacing Camshaft

I was browsing other sites when I saw this. You supplemented me with so much information. Thanks a lot! I am not fully aware of its specs but what I know about camshaft is that it has critical function of continuously opening valves to allow the intake of a mixture of air and fuel, as well as allowing exhaust to escape from the engine. Lubrication is the key to minimizing wear on the camshaft. Regular oil changes and filter replacement will save you from a pricey early replacement, which AOL Auto estimates at more than $3,000. Moreover, camshaft is in the list of the most expensive auto repair. Therefore, vehicle owners must know this: Preventing the four most expensive types of auto repair. Check that out for the details.
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Old 23 Jun 2012, 07:41 pm
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Default Re: Replacing Camshaft

sorry to dig up an old thread but, the exhaust cam on my 01 cruiser broke. If I can change just this cam to the 2.0 neon cam would be great if it is cheaper and offers any performance upgrade. Did the OP finish this cam change or can anyone help me???
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Old 24 Jun 2012, 01:20 am
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Default Re: Replacing Camshaft

Broke?

I'm sure I'd have one if you want, LMK.

Are the journals- Straight- or oil starved?
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