TSBs and How-To Articles This is for information on Technical Service Bulletins and for posting How-To Articles.

Need help - compression test?

Thread Tools
 
Old Mar 12, 2011 | 06:33 PM
  #1 (permalink)  
kszoz's Avatar
Thread Starter
Joined: Jun 2008
Posts: 207
Likes: 0
From: Vallejo CA
Default Need help - compression test?

Hubby changing spark plugs today & wants to do a compression test of the cylinders. Can't seem to get to the service manual. Been searching & I know it's on this forum somewhere. .. Would someone kindly send me the link? He also said something about the fuel pump. Is he going to blow up my car??? Anything to watch out for?

Thanks in advance for your help.

Never mind! I told him to just change the plugs. I did find the link, though. Sometimes it's easy to find what I'm looking for, sometimes it's not... Going to try to find a service manual set on ebay. Old school. Hoping to get the Eurocharged tune & trying to get my ducks in a row. Would like to reward my car for saving my life 2x.
 

Last edited by kszoz; Mar 12, 2011 at 06:48 PM.
Reply
Old Mar 13, 2011 | 01:36 AM
  #2 (permalink)  
Bladecutter's Avatar
Forum Regular
Joined: Nov 2008
Posts: 482
Likes: 4
From: Arvada, CO
Default Re: Need help - compression test?

Here's the link to all the service manuals, and everything else available for the Crossfire:

https://www.crossfireforum.org/forum...ollection.html

Short version is that the compression must be done with engine fully warmed up, and the readings must not be lower than 100 psi, nor must there be greater than a 25% difference between the cylinders. Make sure the throttle plate is wide open, or remove the throttle body from the intake manifold.

BC.
 

Last edited by Bladecutter; Mar 13, 2011 at 01:49 AM.
Reply
Old Mar 18, 2011 | 12:13 AM
  #3 (permalink)  
kszoz's Avatar
Thread Starter
Joined: Jun 2008
Posts: 207
Likes: 0
From: Vallejo CA
Default Re: Need help - compression test?

Installed iridiums. Took hours. Extra trip to PepBoys. Guy said only SRTs had 12 plugs. Even I knew that was wrong. Car runs very smoothly. One old plug had some carbon at 37,400 miles. Slight oil coating around coil packs. Ugh. How concerned should I be?
 
Reply
Old Mar 18, 2011 | 09:09 AM
  #4 (permalink)  
tunaglove's Avatar
Senior Member
Joined: Mar 2010
Posts: 1,413
Likes: 5
From: White Bear, MN
Default Re: Need help - compression test?

The valve cover gaskets and little covers on top are known to leak oil. Easy fix compared to doing the plugs LOL.
 
Reply
Old Mar 18, 2011 | 12:45 PM
  #5 (permalink)  
Bladecutter's Avatar
Forum Regular
Joined: Nov 2008
Posts: 482
Likes: 4
From: Arvada, CO
Default Re: Need help - compression test?

Which cylinder had the carbon build up on the plugs?

BC.
 
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
TerryR
Cars For Sale - Archive
13
Dec 13, 2019 03:27 PM
Jonacross
Wheels, Brakes, Tires and Suspension
20
Jul 17, 2017 11:19 PM
Reliableron
Crossfire Roadster
11
Oct 17, 2015 10:19 PM
Sweet2002
Crossfire SRT6
1
Sep 28, 2015 07:40 PM
tritongreen
Troubleshooting & Technical Questions & Modifications
0
Sep 18, 2015 07:32 AM

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 



All times are GMT -4. The time now is 09:09 AM.