Piston Slap: Why You So Stupid, Smart Junction Box?!

TTAC commentator claytori writes:

Hello Sajeev,

This email is about my 80-year-old mother-in-law Shirley, who is a sweetie and thinks I can fix anything. I hit the MIL jackpot.

Shirley owns a 2010 Lincoln MKZ 3.5 V6 with about 35,000 miles on it. About a year ago, the battery died on the Lincoln. CAA replaced it with another battery with a 13-month replacement warranty, on which less than 1 week remains.

Two weeks ago, the car wouldn’t start again, so I boosted it from my Saab 9-3, which sits beside the Lincoln in a heated garage. It started right away. As she doesn’t drive it more than about 3 miles at a time, I drove the car for a day to charge up the battery.

The battery was great for two days — then dead again.

Read more
Piston Slap: TIPM and the Freemont's Enlightening Journey Down Under

Just a city boy, born and raised in South Detroit (photo courtesy: blog.fiat.com.au)

Thanks to the 40+ people who sent queries to Piston Slap over the week. I’ve insisted the satisfaction derived from our interaction is why I keep writing, that everything else is merely gravy. Delicious gravy, but just that. You’ve once again validated that fact. – SM

Bob writes:

Good Morning Sajeev,

I am asking a question about the headlights of my 2015 Fiat Freemont, 2.4-liter 4-cylinder variety. In particular, replacing the globe in the left headlamp assembly. In the manual it states to move/relocate the TIPM. On the forums there is nothing mentioned about how to remove this particular item, plus I read all the horror stories about the TIPM, unreliability, etc.

Read more
Piston Slap: The Body Control Module Electric?

Gary writes:

Good Afternoon,

Today when I got into my 2002 Saturn SL2, the power door locks started chattering. Each door, over the space of about 45 minutes, had the same thing happen. Sometimes it would be one at a time, other times it would be two or more. I also noticed that the inside locks – the “up/down” button, not the little lever you use to manually unlock the car – would not work, only later to work. For now I have removed the lock fuse and that stopped the problem. I wait and plug the fuse back in, and the sporadic chattering once again begins. Sometimes it is completely quiet. Any thoughts?

Thank you!

Read more
Piston Slap: Occam's Razor Cuts Hardbody Headlight Headaches?

Robin writes:

Hi Sajeev,

It’s me again, steady reader, random poster/questioner, with another D21 question. My good old ’94 Nissan D21 is soldiering on, 213,000 and steady on. Of course I don’t ever thrash it which I’m sure makes a difference.

But to get to the point: the other day I went out to go to work and presto! No low beams. High beams, check. All signals, markers and brake lights, check. Just no low beams.

Read more
Piston Slap: Spastic Saturn's Spacey Door Locks?

TTAC’s own Ronnie Schreiber writes:

My mom’s ’02 Saturn’s SL1 power locks freak out sometimes, sounds like solenoids are having spasms. I’ll go to lock or unlock them and they’ll start fluttering. Sometimes slamming a door will stop it.

My guess is that there’s a dirty switch somewhere, might be weather related too because it started happening in late autumn. It was easier to diagnose things when they didn’t use logic circuits for everything.

Read more
Piston Slap: The Cadillac Hack

Geek alert! This one is tech-heavy!

TTAC Commentator Skor writes:

Sajeev,

Not a question, but it’s good to know that as long as there are cars there are people who will come up with hacks, no matter how complicated things get.

I have an 1992 Cadillac Seville and the blower motor fan disintegrated and jammed up the blower motor, which in turn shorted out the blower resistor. The squirrel cage disintegrated. I checked inside the blower housing to see if there was anything loose, but I could find nothing except pieces of the fan. All of this stuff was OE, no one has been in there since the car came from the factory. I’m sure someone at GM thought that saving a nickel on plastic was a good idea. Well, I bought a new motor/fan assembly and installed it. Wasn’t too bad, about $40. When I tried it, it was a no-go. Next thing I do is check the fuse (30 amp) it was fine. Then I checked the blower motor controller. It was blown. Crap! Apparently when the fan blew up, it jammed the motor, which then took out the motor controller. I’m thinking to myself:

“Nice engineering. The components on this circuit blow before the fuse does. WTF is the fuse for?”

Read more
  • Zipper69 I'm sure it will sell just fine at all trim levels.I'd only note that IMHO the dashboard is a bit of a busy mess.
  • MaintenanceCosts Why do you have to accept two fewer cylinders in your gas engine to get an electric motor? (This question also applies to the CX-90.)
  • Zipper69 Do they have unique technology that might interest another manufacturer?
  • Ger65690267 The reason for not keeping the Hemi is two fold, one is the emissions is too high, it would need a complete redesign to make it comply. The other is a need for a strong modern 6 cylinder within Stellantis portfolio of vehicles moving forward.They decided they rather invest in a I6 turbo which is designed to incorporate future electrification systems and not also updating their V8 engine. Unlike both GM & Ford, a brand constantly pushing smaller displacement turbo engines has decided to still keep V8s in their truck line up, because they know it's important to their core customers.GM has invested billions for their next gen small block V8s and Ford has already updated their 5.0L V8. However, Dodge and RAM which is a brand built on the Hemi name and having a V8 has decided to drop it. I think it's clearly a strategic misstep for RAM not to do the same for their trucks, Chargers/Challengers going forward.Stellantis relies heavily on the profits from their NA operations, I think they may not fully understood how important the Hemi was in their 1500 class trucks. On a side note, no one in the media seems to be noting that while the Hurricane S.O. puts out more hp/torque to the outgoing Hemi, that for some reason has lost both towing and payload capability.  
  • Ajla I'm going to whine about it. It should have a V8 available. Preferably a new one but at least offering the old one as a mid-level option. That this brand new engine outperforms something introduced 2003 and last updated in 2009 doesn't impress me. Also, journalists seem to be unaware that it is possible to add forced induction to a V8.