Cadillac in Southern Ontario
September 23, 2018, 05:25:26 PM *
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 1 
 on: September 22, 2018, 08:03:34 PM 
Started by EXCRUISERGUY - Last post by KevinW
Really? I was told anything over 14.2 was too high.
I have owned the car for 10 years now and the alt has never been replaced.

Preventative maintenance is always the more convenient option in the long run; keep the original unit as a spare and see if it needs new brushes and a front bearing so it's ready to be pressed back into service.

The internal resistance of the battery increases at lower temperatures, so a slightly higher voltage is necessary to drive the charge current to a desired level.  In the winter, a system voltage over 15.0 may be observed after a cold start.  In addition to battery and regulator temperature, there's also the positioning of the electrodes, the load on the 12 V system, calibration of the voltmeter, as well as the condition of the battery, as internal resistance increases with age.

When the original voltage regulator in the Delta 88 failed, the factory Reminder Package did an admiral job of indicating that the charging voltage was too high.  I measured over 16 V on a summer evening with a hot engine compartment; a spare 12SI swap took ~15 minutes.  About 3 years ago, I replaced the voltage regulator and brushes, greased the bearings, then re-installed the original.

 2 
 on: September 22, 2018, 03:50:37 PM 
Started by EXCRUISERGUY - Last post by Jon
While the oldest daughter and Tegan were sleeping (they weren't feeling well), younger daughter and me went outside and did the spark plugs on Peach. I had to do more of them from under the car than I did on Rocky, but the driver side ones were nice and easy to get at and teach her what was going on. She came in handy when I was under the car cause she had a much easier time then me crawling around to get me my different tools.

 3 
 on: September 22, 2018, 08:51:30 AM 
Started by CDV 429 - Last post by Jon
When I was a kid I had a cast replica of a 35 boattail speedster that was my favorite car. I played with it every day.

 4 
 on: September 22, 2018, 08:20:44 AM 
Started by EXCRUISERGUY - Last post by EXCRUISERGUY
I'll agree with that. Every time I replace plugs on an LT1 I lose skin off my knuckles.

 5 
 on: September 22, 2018, 07:33:41 AM 
Started by EXCRUISERGUY - Last post by Jon
I did the spark plugs on Rocky last weekend and I hope to do Peach this weekend. That's a job that definitely has increased in difficulty over the years.

 6 
 on: September 21, 2018, 06:49:29 PM 
Started by guidematic - Last post by CDV 429
My back hurts too thinking about this job but anyway Mike how do you replace the valves seals ? That's something I always wanted to know how to do.

Porter  Roll Eyes

 7 
 on: September 20, 2018, 01:01:16 PM 
Started by EXCRUISERGUY - Last post by EXCRUISERGUY
No. I replaced it about 8 years ago.
 Really? I was told anything over 14.2 was too high.
I have owned the car for 10 years now and the alt has never been replaced.

 8 
 on: September 20, 2018, 11:03:08 AM 
Started by EXCRUISERGUY - Last post by KevinW
Was the waterpump original? 

14.8 volts is normal for a cold regulator.

 9 
 on: September 20, 2018, 10:04:14 AM 
Started by EXCRUISERGUY - Last post by EXCRUISERGUY
Two weeks ago my waterpump crapped out and dumped coolant all over the optispark on my Fleetwood.
I spent the past 2 days replacing the opti and water pump.
A voltage test showed that the battery was charging at 14.8 volts so I replaced the alternator and put a new AGM battery in. I got 10 years out of the old one.
Getting ready for a road test now.

GJ

 10 
 on: September 20, 2018, 07:29:47 AM 
Started by CDV 429 - Last post by CDV 429
A little dated, 2014.

https://www.youtube.com/watch?v=hnzDIceKecw

Porter

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