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Engine Discussion of preventative/corrective maintenance and other technical issues regarding your coach's engine.

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  #21  
Old 05-15-2019
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Quote:
Originally Posted by The Fuenti View Post
I need a favor from an owner with a 1995 S60.

The radiator shop states that there was no identifying serial or part number on either the radiator or CAC, which I need in order to provide to QS&T for an estimate.

If someone could please take a look, that would be greatly appreciated.

There was a post on this but it was for a 1997 S60. However, the part number that was posted only brought up the CAC, and not the CAC and radiator stack. I gave QS&T the number ending with both "CA" and "A", but it only came up as the CAC. They said that a serial number would work.

Thank you in advance!

The place i use just needs dimensions.
I have never seen a number.
The last time (a few months ago) i just sent them my old rad and cac,cratd it up and shipped it off,within a week i got a crate back with the new rad and cac inside.


when we had a local rad shop (owner died) they did several recores on rads for me,no problem at all,less than a week down time in a back country town..
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  #22  
Old 05-15-2019
The Fuenti The Fuenti is offline
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If only it had broken at home, it would have given me the opportunity to do some of the work myself and learn a few more things along the way.

I know that I’m in for a hefty bill as I’ve also had to replace the hydraulic fan motor. Empire CAT seem reasonable with their end of the work, but I would feel more comfortable with another estimate for the radiator.
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  #23  
Old 05-15-2019
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the 95-96 are the same,the 97 is NOT even close.
I have a good used but rebuilt rad here,but i would get new.
if you crate the stuff up i can hook you up with the right people,way over in Alabama
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  #24  
Old 05-15-2019
The Fuenti The Fuenti is offline
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I may have to look into that. Unfortunately, the CAC and rad are not at Empire, so I may need to drive out to Phoenix to have it crated up if the shop won't do it.

Alternatively, if I can't get a part number for QS&T to reference, our house is close to some major truck depots (off the I-10), so I'm sure there must be a commercial radiator shop nearby that may be able to assist. If I have to drive out to AZ, I have a mind to bring it back and have this done closer to home.

They quoted me a decent price for the CAC, but 5200 for a radiator seems to be a bit too high.

It's good to know that you have not seen numbers, it gives me more confidence with what I'm hearing from the radiator shop. QS&T say that they put tags on all their products, but I suspect these may have a propensity to fall off, especially after 25+ years of use.
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  #25  
Old 05-15-2019
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Quote:
Originally Posted by The Fuenti View Post
I need a favor from an owner with a 1995 S60.

The radiator shop states that there was no identifying serial or part number on either the radiator or CAC, which I need in order to provide to QS&T for an estimate.

If someone could please take a look, that would be greatly appreciated.

There was a post on this but it was for a 1997 S60. However, the part number that was posted only brought up the CAC, and not the CAC and radiator stack. I gave QS&T the number ending with both "CA" and "A", but it only came up as the CAC. They said that a serial number would work.

Thank you in advance!
The radiator and CAC are separate pieces. I don't think you will find a single # that includes both items.
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  #26  
Old 05-15-2019
The Fuenti The Fuenti is offline
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Makes sense to me. However, if memory serves me right, the post on the 1997 coach indicated that the number ending with CA was for the CAC only whereas the number ending in A was for the CAC and rad stack (or vice versa). Perhaps the letters make it a different part????

That said, QS&T was only able to pull up one of the numbers (don't recall if it was the one ending with A or CA) and it was only in reference to the CAC. Unfortunately, Randy confirmed my concerns that the 1997 is a separate beast from the 95-96, so that number does me no good.

It's a shame that their database does not track by application. I would have thought that if they had a contract to supply multiple units that the information would be included in their database for future reference. But as we know all too well, hindsight is always 20/20.
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  #27  
Old 05-15-2019
GregOC GregOC is offline
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AZ bus sales. in Colton they service a thousand Bluebirds. parts guy has access to the build sheets. he can then compare it to other models and may be able to set you up. Stewarts in Riverside does-did all their radiators. I would run it by stewarts first. he can pull the tanks and look while it is in the back of your truck. I had a N-14 re- cored in Fontana once because it was $200. less but the repaint and gasket work was slop. I just didnt feel good about what I then did not see. the Fontana Rad held up another 100K untill I pulled it for Stewarts to rod so I guess it was good
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  #28  
Old 05-15-2019
The Fuenti The Fuenti is offline
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Thank you, I will give them a call tomorrow morning!
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  #29  
Old 05-16-2019
The Fuenti The Fuenti is offline
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Update

The issue has been resolved within an acceptable price range. I'm excited to get the coach back, it should have significantly improved performance and gas mileage...looking forward to both!

Thanks again to all!
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  #30  
Old 4 Weeks Ago
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I picked up the coach yesterday and made the trek back home from Blythe to San Bernardino with a new radiator, CAC, and hydraulic fan (new oil, filters, etc, as well). All I can say is WOW! For the first time since purchasing the coach 5 years ago the engine performed as designed. For the return trip home I borrowed a ScanGauge Diesel so I could compare readings to the dash gauges. I'm glad I did as I discovered some discrepancies in the readings.

The new Radiator and CAC worked flawlessly. Here are some of the performance highlights/changes I observed:

1. Turbo boost hit 25+ when needed, actually passing trucks on grades. I have never been able to do this. I easily maintained 60+MPH up grades for the first time EVER in this coach and could have easily gone faster had I chosen to do so. As mentioned before, my turbo boost would not pass 7 prior to this repair. Clearly, my CAC has been cracked all along.

2. The pyrometer never hit 600°F...the whole trip. This includes the climb up Chiriaco Summit, and the climb up to Banning through the windmills. In the past, temps would rise to about 1,000°F, at times I would even have to pull over to let the engine cool (even in cooler weather). Heck, in the past, I was thrilled to keep the pyrometer below 700°F

3. No smoke coming out through the exhaust on the roof. Even when under a load, there was no discernible smoke. In the past, I would see brownish exhaust with the engine under load or while climbing a grade.

4. Water temps maintained at about 184-186°F (ScanGauge not dash gauge). During the steepest climb it got to 193°F (got back to mid-high 180's within a few minutes of my letting off the gas), although I was also in 6th and maintaining 60+MPH. I suspect that I could have controlled the temp by downshifting and increasing my RPM's, which I will attempt during our subsequent travels. Based on the readings on the ScanGauge, my analogue gauge reads about 10°F higher. When taking this into consideration, I would estimate that previously the water temps exceeded 205°F and possibly as high as 110°F+ when taking on steep grades (e.g., Cajon Pass, Grapevine, east bound Chiriaco Summit, etc.). Nonetheless, operating temps are now at least 10°F cooler than before, with no significant spiking.

5. MPG improved from about 4.4mpg to 6.2mpg for this leg of the trip. When taking into consideration the cost of fuel in CA, this is HUGE!!! I suspect I can do even better if I am more mindful of fuel economy, but to be perfectly honest, I was simply having too much fun experiencing what this coach was capable of doing.

6. Not sure this is even related to the CAC, but it appeared to me that even the engine brake was working better. It was holding the speed during the descent to Indio better than it had in the past. This may well have been a placebo effect on my part, but it sure seemed better to me.

We will be upgrading to the SilverLeaf VMSpc before we head off on our next trip. I like the accuracy of the digital gauges along with the additional bells and whistles it offers. The ScanGauge did its job, but I like the option of being able to see more data at a glance. Long term, I think it will be a better investment. It's also cheaper than replacing the dash gauges.

As always, I appreciate the support of the WOG. A quick shoutout to Randy for his quick response to my need of a hydraulic fan motor and thermostat.
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