Re: Fair price for TD04-18 turbocharger - Saab 9000 Bulletin Board -

[General | Members | C900 | 9000 | NG900 & OG93 | 93 | 95 | NG95 | 99 | Sonett | Vintage Models | Performance | Detail | Clubs & SOC | Other Cars | FAQs | Gifts | Member Photo Galleries | Member Directory | Classifieds | Service/Mechs | Manuals | *Buddy Registry | *Mileage Registry | Polls | What's New | Raffle | Photo of the Month | Sponsors]

9000 Bulletin Board
1985-1998 [Subscribe to Daily Digest]
(Search Author's Posts: e.g. Keyword:username)*Members Only

[Main 9000 Bulletin Board | Post Followup | BBFAQ ] [ Prev by Date ] [ Next by Date ] Member Login / Signup [Latest Member Gallery Photos]
Re: Fair price for TD04-18 turbocharger
Like This Post:
Posted by thetallguy [Email] (#1698) [Profile/Gallery] (more from thetallguy) on Thu, 20 Sep 2018 20:28:58 Share Post by Email
In Reply to: Re: Fair price for TD04-18 turbocharger, Ned, Tue, 18 Sep 2018 13:53:48
Alert me when someone posts in this thread:

Saab performance goals VS money spent. In looking over the different comments, I perceive the question but the answers do not appear to cover all of the costs. If it is an Aero/Anniversary model then you will have the Mitsubishi turbo which has the larger (more better) #6 exhaust housing. If this is the case, going to an 18T or 19T wheel on the cold side of the turbo could be a cost effective upgrade. Larger wheels require the cold side alloy housing to be machined out to precisely match the larger 18T wheel. If you are rebuilding your turbo "stock" this is a cost that can be avoided. It is also less stressful in a DIY rebuild of an existing unit with the original 15T wheel and original turbine. You could go larger than 19 but that generally presents some issues with balance and flow which adds costs to the project which might possibly include, as I understand it, a "clipped" wheel and the installation of a "pipe" into the alloy housing because the machining for a 22 removes so much material. I have seen prices for just the machining of the housing for 18 or 19T between $80 and $100 dollars. Naturally there is the cost of the 18, 19, etc wheel-that cost depends upon the size and "cast" VS "billet".The 19T use to be regarded as the largest go to size. Going beyond a 19T risks durability because of shaft size VS the amount of air you are pushing. Some would argue this point about pushing to a 19T. Balance also becomes more critical. If you have a cost of $350 for a full 18T turbo rebuild, I am assuming they are using your core, that could be a very fair price: That would/should include the cost of the new wheel, the machining of the housing (preferred over replacement-my opinion), the cleaning of the turbine and turbine housing, and the replacement of the bearings, the shaft's oil seals, and the balance of the unit. They might also check the waste gate function plus repaint it. That is about what I paid to have my original turbo rebuilt (no upgrade to larger wheel) years ago. A Pro rebuild gives the best performance most peace of mind. Mine returned looking like new.

Since cost is the subject I will expand slightly on some other expenses you will encounter which others have touched upon. Going to an 18T or 19T wheel on the turbo effectively increases the amount of air moved for a given pressure within the existing software parameters...if you are using "stock" software and hardware then you will achieve slightly elevated stock power. This fact is why many Saabnet posters are requesting a performance "goal". If the turbocharger requires a rebuild and more performance is desired then going to an 18T or 19T makes perfect sense if the additional hardware and software/tune will be purchased at some future date in say one to three years. However, if you are not looking for the associated costs of a larger exhaust system, larger injectors, tune, and intercooler then getting an 18T nets you almost nothing except more lag.

Conversely, one can buy a rebuild "kit" for around $75 to $120 dollars plus a machined housing for about $100 plus the wheel (cost depends on what you get) and do the re-build yourself. There are kits which allow this to be accomplished on turbos that do not have any damaged parts or bent shafts. This is a somewhat risky proposition and requires a good deal of knowledge to set the turbo up correctly so that balance is maintained within a reasonable window. The oil shaft seals can be a bitch! I have successfully rebuilt my 9000 Aero turbo (no upgraded wheel) using a kit. That turbo has covered 150K miles. Based upon that success I would submit that it is possible. If anyone is interested in the low cost, not as safe as a professional approach, but possibly more satisfying to the ego and pocketbook, I can expand on that subject. After all, our cars are getting old. I am guilty of taking a shortcut or twelve to reduce costs.

->Posting last edited on Fri, 21 Sep 2018 06:13:56.
Posts in this Thread:
Alert me when someone posts in this thread:

Post a Followup

No Site Registration is Required to Post - Site Membership is optional (Member Features List), but helps to keep the site online
for all Saabers. If the site helps you, please consider helping the site by becoming a member.

Name: Member Login / Signup [Latest Member Gallery Photos]
E-Mail: (Optional)
Re-Enter E-Mail: (Confidential & Secure - Not revealed to other users!)
Note: Please check your spam folder for BB responses.


Posting rules are simple - No for sale/wanted ads may be posted here - use the site classifieds.
You may not cross-post your message to multiple BBs.
Not permitted: political/religious topics and being disrespectful (personal attacks, insults, etc...).
Site Members do not see any red text, inline ad links, bottom of page anchor ads, box ads, or anti-spam check.

Message: (please no for sale/wanted classifieds - post those in the Classifieds)
Links are now automatically made active, no need for any special code (or use the Option Link field below) - don't put links in () or end with a '.'
To add inline images to your post, use [img][endimg] (or use the Optional Image Link field below).

Links are now automatically made active, no need for any special code (or use the Option Link field below) - don't put links in () or end with a '.'
To add inline images to your post above, use [img][endimg] (or use the Optional Image Link field below).

Optional Link: (e.g.
Link Title: (Optional)
Optional Photo/Image Link: (e.g.
Photo/Image to Upload: [Member Only Feature] - Sign Up

The content on this site may not be republished without permission. Copyright © 1988-2020 - The Saab Network -
For usage guidelines, see the Mission and Purpose Page.
[Contact | Site Map | on Facebook | on Twitter | Shop Amazon via TSN | Site Donations]

This is a moderated bulletin board - Posting is a privilege, not a right. Unsolicited commercial postings are not allowed (no spam). Please, no For Sale or Wanted postings, SERIOUSLY. Classifieds are to be listed in The Saab Network Classifieds pages. This is a problem solving forum for over 250,000 Saab owners, so expect to see problems discussed here even though our cars are generally very reliable. This is not an anything goes type of forum. has been a moderated forum since 1988. For usage guidelines, see the Mission and Purpose Page. Please remember that you are not anonymous. Site Contact | Site Donations | Other Sites by SP -
Your address is: - Using CCBot/2.0 ( - Logged.

Site Members do not see red text instructions, bottom of the page anchor ads, or box ads.
Click here to see all the Site Membership Benefits!