| LOST JEEPS http://www.lostjeeps.com/forum/phpBB3/ |
|
| 2006 87,000 miles on the CRD - Turbo Unit possibly failing? http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=66561 |
Page 1 of 1 |
| Author: | n8martzolf [ Sun Apr 22, 2012 3:11 pm ] |
| Post subject: | 2006 87,000 miles on the CRD - Turbo Unit possibly failing? |
We have discovered oil in the air hoses leading from the turbo unit to the EGR valve. So far the EGR along with sensors are fine. We do not have a mechanic that knows this vehicle, however, the one we are working with loves turbo diesels on other vehicles and is a trusted source. He has determined that there is a 16th of an inch play in and out on the unit and thinks it needs to be replaced. Currently, we are unable to consider footing the bill of replacing the turbo unit (quoted at over $2500) and are looking for advice/other options to remedy this issue. Is the Turbo unit really bad? Has anyone removed the Turbo unit and just driven the CRD engine as is sans Turbo unit? Anyone want this baby? |
|
| Author: | papaindigo [ Sun Apr 22, 2012 4:38 pm ] |
| Post subject: | Re: 2006 87,000 miles on the CRD - Turbo Unit possibly faili |
I'll let others comment in more detail on the play but: 1. of course there is oil in those hoses. Absent an elephant hose or similar mode there is and always will be oil in those hoses. It comes from the CCV, hockey puck on top of the engine, via the hose that enters the airbox to turbo hose right in front of the turbo; goes thru the turbo and turbo>intercooler>engine hoses to the intake and EGR. 2. fore and aft play is normal and within limits ok. side to side play is bad and only allowable in tiny tiny limits. I'll defer to others on how much fore and aft play is ok and how to measure it. |
|
| Author: | hucorey [ Mon Apr 23, 2012 6:47 am ] |
| Post subject: | Re: 2006 87,000 miles on the CRD - Turbo Unit possibly faili |
n8martzolf wrote: We have discovered oil in the air hoses leading from the turbo unit to the EGR valve. So far the EGR along with sensors are fine. We do not have a mechanic that knows this vehicle, however, the one we are working with loves turbo diesels on other vehicles and is a trusted source. He has determined that there is a 16th of an inch play in and out on the unit and thinks it needs to be replaced. Currently, we are unable to consider footing the bill of replacing the turbo unit (quoted at over $2500) and are looking for advice/other options to remedy this issue. Is the Turbo unit really bad? Has anyone removed the Turbo unit and just driven the CRD engine as is sans Turbo unit? Anyone want this baby? All late model turbo diesels are the way you describe. Are you having any actual trouble with the Jeep??? |
|
| Author: | geordi [ Mon Apr 23, 2012 5:26 pm ] |
| Post subject: | Re: 2006 87,000 miles on the CRD - Turbo Unit possibly faili |
YOUR TURBO IS NOT BAD. Let me repeat this in case you didn't hear it in the cheap seats: YOUR TURBO IS NOT BAD. As Papaindigo states, the oil is NOT from your turbo at all. A favored "diagnosis" by mechanics-without-a-clue is that "the turbo oil seals have failed and you need to replace the turbo" which is COMPLETE BULLSHIPT! The turbo does not have any oil seals as such, it is sealed by thrust bearings. That is why you can feel a slight end-to-end shaft play, but I would doubt it is that much as 1/16". No matter what - If the turbo is bad, YOU WILL KNOW IT QUICK. These do not fail politely, they start making scraping / squeaking / grinding noises, your power drops away, and you start fogging the road behind you with smoke. The source of the oil in your hoses is from the CCV puck on top of the engine. Read through the NOOB GUIDE, and install an "Elephant Hose Mod" and you will be fine. The consequence of that oil in the hoses is that it will eventually eat through the hoses (Your airbox-to-turbo hose is probably already turned to mush) and when the boost pressure hits them while driving, eventually they will blow open a big hole. Look at those boost hoses now. Are they "growing hair" from all the filth on the outside? That is because the boost pressure is physically FORCING the oil through the walls of the hose, accelerating the destruction. The oil gets pushed to the outside of the hose, creating a porous hose, and once it reaches the outside of the hose, catches any little bit of dust or dirt... "growing hair" on your hose. You can't really clean them, the tiny holes are still there. If your hoses are FILTHY on the outside, they are already gone, and need to be replaced. SAMCO makes some great Silicone hoses for our Jeeps, or you can try at the dealer (or online) as there is supposed to be a new design of hoses for us that don't degrade. I like the SAMCO option. What will all this cost you? $320 instead of $2500... $300 (approx) for the SAMCO hoses... $20 at Home Depot for some braided 3/4" vinyl hose and some zipties to make an EHM. |
|
| Author: | krugerjq [ Tue May 08, 2012 10:53 am ] |
| Post subject: | Re: 2006 87,000 miles on the CRD - Turbo Unit possibly faili |
My local dealer wanted to replace my Turbo last week also. The Engine light was on and loss of power. They told me the turbo was damaged and that was why it was not boosting. Google pointed me to this forum and eventually I found the solution to the problem. It was the small solenoid next to the Vacuum Regulator. It is called the secondary runner valve. That solenoid was also part of the quote to repair my Jeep. So if they replaced everything the Jeep should be fixed. a Cost of more the $3200 instead of only $65 for the faulty part. So be careful. There are a lot of idiots out there Thanks again for this forum....... |
|
| Author: | Miyanovich [ Tue May 08, 2012 2:11 pm ] |
| Post subject: | Re: 2006 87,000 miles on the CRD - Turbo Unit possibly faili |
I will second what Geordi has stated. If your Turbo is going or has gone, there's no denying it. When it starts to go, you will notice whining / howling intermittently. When it goes, you will hear a "Wham" or a "Bahm", and grinding noises, followed by an almost complete loss of power. When mine went, I had all of these signs plus you could also hear the bearings clanking around inside. Undeniable. 
|
|
| Author: | naturist [ Tue May 08, 2012 5:32 pm ] |
| Post subject: | Re: 2006 87,000 miles on the CRD - Turbo Unit possibly faili |
I agree. The oil in your intake duct is not from the turbo. The play described by the mechanic, while it seems high to me, is NOT the sort of play that causes problems. When these turbos fail, they do so rather abruptly, not slowly, and not with symptoms that are found beforehand. If your turbo DID start leaking oil into the intake, the first sign you'd have is engine runaway, not an oily hose. As for driving it without the turbo, forget it. It wouldn't have enough power to get out of its own way. Finally, there is no earthly reason based upon just what you've told us for anybody to even consider ditching this vehicle. I don't know why the mech was poking around in there, but unless you've got some OTHER complaint, I'd tell him to get out of there. The situation is perfectly normal. |
|
| Author: | ATXKJ [ Tue May 08, 2012 7:49 pm ] |
| Post subject: | Re: 2006 87,000 miles on the CRD - Turbo Unit possibly faili |
krugerjq wrote: My local dealer wanted to replace my Turbo last week also. The Engine light was on and loss of power. They told me the turbo was damaged and that was why it was not boosting. Google pointed me to this forum and eventually I found the solution to the problem. It was the small solenoid next to the Vacuum Regulator. It is called the secondary runner valve. That solenoid was also part of the quote to repair my Jeep. So if they replaced everything the Jeep should be fixed. a Cost of more the $3200 instead of only $65 for the faulty part. So be careful. There are a lot of idiots out there Thanks again for this forum....... Great data point - Thanks for the feedback |
|
| Author: | camo [ Tue May 08, 2012 9:04 pm ] |
| Post subject: | Re: 2006 87,000 miles on the CRD - Turbo Unit possibly faili |
I have a good used working turbo for sale. I sold my second CRD and I don not think I will be needing it. let me know if you are interested. |
|
| Page 1 of 1 | All times are UTC - 5 hours [ DST ] |
| Powered by phpBB © 2000, 2002, 2005, 2007 phpBB Group http://www.phpbb.com/ |
|