Jump to content

Recommended Posts

01 Z71 5.3 155k miles

 

Apparent oil leak. The filter had an oil drip on it also that I wiped off. Wherever has been leaking for a while now but I cant tell where from. I got my mechanic to also look at it when it was in for a trans service once also and he claims he couldnt tell where it was coming from either. Has anyone seen this before? Any ideas? The bolts for the starter in one of the pics has oil on both of the bolt heads.

 

Thanks for any help!

post-14298-0-67315600-1341375175_thumb.jpg

post-14298-0-26590600-1341375199_thumb.jpg

post-14298-0-01303000-1341375222_thumb.jpg

post-14298-0-85503100-1341375247_thumb.jpg

post-14298-0-67315600-1341375175_thumb.jpg

post-14298-0-26590600-1341375199_thumb.jpg

post-14298-0-01303000-1341375222_thumb.jpg

post-14298-0-85503100-1341375247_thumb.jpg

post-14298-0-67315600-1341375175_thumb.jpg

post-14298-0-26590600-1341375199_thumb.jpg

post-14298-0-01303000-1341375222_thumb.jpg

post-14298-0-85503100-1341375247_thumb.jpg

post-14298-0-67315600-1341375175_thumb.jpg

post-14298-0-26590600-1341375199_thumb.jpg

post-14298-0-01303000-1341375222_thumb.jpg

post-14298-0-85503100-1341375247_thumb.jpg

Link to comment
Share on other sites

Check the crankshaft position sensor above the starter for leaking. Also check the area where oil cooler lines attach, if equipped. If not equipped check the block off plate in that area

Link to comment
Share on other sites

 

GM BULLETIN #05-06--01-034L: 5.3L, 5.7L, 6.0L, 6.2L, 7.0L - Engine Oil Leak at Rear Cover Assembly Area (Engine Block Porosity RTV Repair Procedure) - (July 23, 2010)

 

DOCUMENT ID: 2506955

Link to comment
Share on other sites

  • 1 month later...

So...was it the crankshaft position sensor or something else? Having the exact leak myself and have checked every conceivable source (besides the main seal since the motor is newly built with only 750 miles on it). If so...how difficult was it to remedy? Thanks...

Link to comment
Share on other sites

Did you pull the starter out in order to visually inspect the CPS in order to rule it out as the source? I'll be changing the oil for my second 500 mile break-in period on my new motor and will be pulling the starter to get a look at what I believe is the CPS leaking. Don't believe its the rear seal - not enough oil leaking for that IMO. Will post my discoveries or tragedies..

Link to comment
Share on other sites

Check the crankshaft position sensor above the starter for leaking. Also check the area where oil cooler lines attach, if equipped. If not equipped check the block off plate in that area

 

 

+1 i too think its a CPS leak

Link to comment
Share on other sites

Guess ill go ahead and ask..Is this a pretty easy fix if it is the CPS? The starter pretty easy to drop down?

 

CapitalTruck..Had to replace the fuel pump a month or so ago then the radiator a couple weeks back. Other than this little oil leak ive had no other problems that I can remember (knock on wood)...Think I have 156k on it and I can honestly say it's been a damn good truck..I would love a new one but having one thats paid for and thats been well taken of is a good feelin'...

Link to comment
Share on other sites

Yeah, you got that right. Financially it almost never makes sense to buy a new vehicle. I have 165k on my 2004 and I plan to keep going. The new models draw me in, but like you said, not having a car payment is serious freedom. I mean, a 600 buck repair (what I would consider to be expensive) is only two months car payment.

Link to comment
Share on other sites

Archived

This topic is now archived and is closed to further replies.

  • Recently Browsing   0 members

    • No registered users viewing this page.
  • Forum Statistics

    246.7k
    Total Topics
    2.6m
    Total Posts
  • Member Statistics

    334,649
    Total Members
    8,960
    Most Online
    Conman102
    Newest Member
    Conman102
    Joined
  • Who's Online   4 Members, 0 Anonymous, 369 Guests (See full list)



×
×
  • Create New...

Important Information

By using this site, you agree to our Terms of Use.