How to: Camshaft Position Actuator Solenoid Cleaning - Page 16 - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum



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  #151  
Old 03-24-2011, 09:51 PM
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wakeboarder770 wakeboarder770 is offline
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2002 Chevy TrailBlazer LS
Black 4.2L I6 4X4
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Quote:
Originally Posted by the roadie View Post
Cat with pipe (non-California vehicles) around $200 from rockauto.com. O2 sensor around $50. Cam SENSOR $24. Assuming you mean sensor and not the CPAS (Solenoid), which is $41.
Based on the price i am thinking its the solenoid. There is oil in the connector but all the screens are okay. But the invoice says

1.0 Dealer Cam sensor 189.95
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  #152  
Old 03-27-2011, 08:49 PM
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jusbarron jusbarron is offline
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2004 Chevy TrailBlazer LS
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Had to replace the Camshaft Position Actuator Solenoid today. Intended on just doing a throttle body cleaning (25K since last cleaning), but noticed oil buildup around the solenoid connector and decided to just take care of that too. Pretty quick and easy job. Oil had made it's way all the way through to the connector.
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  #153  
Old 04-04-2011, 10:10 PM
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wakeboarder770 wakeboarder770 is offline
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2002 Chevy TrailBlazer LS
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Does it matter what sensor brand i use? AC Delco? AIRTEX. Also i have the autolite plugs in. I guess get a new set of AC Delco?
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  #154  
Old 04-05-2011, 04:07 PM
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HiPowerShooter HiPowerShooter is offline
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2003 GMC Envoy SLE XL
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First of all there IS a difference between the "Camshaft Position Sensor...CPS) and the Variable Valve Timing Solenoid(CPAS). Two ENTIRELY different parts altogether.

Assuming you are referring to the "CPAS"(VVTS)...the solenoid then:

http://www.rockauto.com/catalog/moreinfo.php?pk=2194618

This is what you need.

Itis working fine for me, however if you feel like spending the $$$, and it makes you feel better go for the OEM. Plugs?...As I've stated before...I'm not a big "plug conspiracy theorist", however I will also say that based on the banter here I stayed with the consensus...that being the AC 41-103's.

If you're NOT having misfire issues, AND have other brands in, then there really is no reason to change unless it makes you feel better.
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  #155  
Old 04-05-2011, 06:49 PM
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wakeboarder770 wakeboarder770 is offline
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Quote:
Originally Posted by HiPowerShooter View Post
First of all there IS a difference between the "Camshaft Position Sensor...CPS) and the Variable Valve Timing Solenoid(CPAS). Two ENTIRELY different parts altogether.

Assuming you are referring to the "CPAS"(VVTS)...the solenoid then:

http://www.rockauto.com/catalog/moreinfo.php?pk=2194618

This is what you need.

Itis working fine for me, however if you feel like spending the $$$, and it makes you feel better go for the OEM. Plugs?...As I've stated before...I'm not a big "plug conspiracy theorist", however I will also say that based on the banter here I stayed with the consensus...that being the AC 41-103's.

If you're NOT having misfire issues, AND have other brands in, then there really is no reason to change unless it makes you feel better.
Yeah well i am having misfire issues. I hope it is due to the spark plugs. I ordered the AC delco plugs, a new cam sensor(i already replaced the solenoid last week), i went ahead and ordered a new O2 sensor as well considering my gas mileage is 9-10MPG now. After this i am pretty much clueless...
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  #156  
Old 05-27-2011, 10:00 PM
juansc juansc is offline
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First off, thanks for the great thread, it took me about 15 minutes (the first time) So I get the solenoid from Rock Auto to replace mine which had oil in the connector. The truck throws the code every once in a while but doesn't run rough. Besides the dropping fuel mileage, the truck runs great. After putting in the new solenoid the truck started, performed the regular warm up routine then the RPM dropped like a rock and the truck had a seriously hard time remaining idle. My suspect was that I put the solenoid in backwards. Before you chime in, I mean that the screens that are supposed to be blocked off were 180 out. So I pull the thing out slightly, enough to rotate the solenoid 180 and reinstall the clip, bolt it in, then tried again. Once again, same warm up routine then rough idle and finally it died. Great. So I do the forum clean on the old solenoid and re-install it and the truck runs great. What do you think, bad part from Rock Auto or was there some sort of break in I didn't do? Thanks---
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  #157  
Old 06-02-2011, 09:25 AM
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alupparelli alupparelli is offline
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Grateful for the information reviewed here กกก

Grateful for the information reviewed here, succeeding failure very ugly in my TB. My camshaft position actuator Selena was dirty, desistate, clean it and as if by magic fail left.
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  #158  
Old 06-02-2011, 06:47 PM
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After reading this thread and noticing a slight erratic idle at times even after doing the plugs, throttlebody cleaning, fuel injector cleaning professionaly, I decided to check it out and it was a little dirty but not bad but replaced anyways since I already had the part and it made a nice difference. Smooth as silk idle. So even a slight build up seems to make a difference in idle quality. Definately should be part of a "tuneup" for this engine.
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  #159  
Old 06-18-2011, 11:24 PM
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This post is about 4 years old and I have NEVER seen it until now!! Read through 16 pages of posts! Gonna take mine out tomorrow and have a look
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  #160  
Old 07-17-2011, 04:50 PM
cmatt cmatt is offline
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2003 GMC Envoy SLT XL
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Replaced the CPAS on the wife's Envoy XL today. The GM P/N is 12615873.

Didn't see it in the last few pages and wanted to give an updated p/n because we all know how GM likes to change them.
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