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CP4 Class action lawsuit

Groover
Explorer II
Explorer II
I see that a class action lawsuit has been filed over the CP4 fuel pump: https://www.prnewswire.com/news-releases/american-diesel-trucks-are-time-bombs-lawsuit-filed-by-hilliard-martinez-gonzales-llp-300739064.html

From what I have heard here the claims in the lawsuit are somewhere between slight and gross exaggeration but are based on some solid evidence. It will be interesting to see where this goes.

As far as I can tell the Cummins in my Freightliner motorhome is not on the list of affected engines so hopefully I don't need to worry about it.
14 REPLIES 14

The_Mad_Norsky
Explorer
Explorer
Well, that leaves Ford for the big diesels, and most all the 1/2 ton sized diesels using the CP-4 or variants.

GM dumped the CP-4 in the Duramax engines for the Denso HP4 fuel pump, think in the 2017 models.

May be GM's dumping of the CP-4 says it all here.
The Mad Norsky, Doll, Logan and Rocky
2014 Ram 3500 w/ Cummins/Aisin
2019 Northern Lite 10-2 EX CD LE Wet Bath
RV'ing since 1991

I took the road less traveled .....Now I'm Lost!

azrving
Explorer
Explorer
goducks10 wrote:
RedRocket204 wrote:
goducks10 wrote:
Shame on Ford.


Opinion from someone who really knows nothing about the issue but trying to throw fuel on the fire?

What CP4 did you own?


Never did buy one. Read the horror stories and decided in 2012 to get a Cummins instead.


Yeah, our risk is having exhaust manifold problems from heat expansion contraction issues and broken bolts. 26,000 pounds gaining speed up hill. ๐Ÿ™‚

goducks10
Explorer
Explorer
RedRocket204 wrote:
goducks10 wrote:
Shame on Ford.


Opinion from someone who really knows nothing about the issue but trying to throw fuel on the fire?

What CP4 did you own?


Never did buy one. Read the horror stories and decided in 2012 to get a Cummins instead.

RedRocket204
Explorer
Explorer
goducks10 wrote:
Shame on Ford.


Opinion from someone who really knows nothing about the issue but trying to throw fuel on the fire?

What CP4 did you own?
I love me some land yachting

wnjj
Explorer II
Explorer II
Class action lawsuits aren't as much about making those who were wronged right again. They're more about levying a "fine" against the company who caused the problem and to that end we all benefit a little if the company cleans up their act. That said I don't know how much the lawsuit helps versus maintaining a good reputation with their customers.

Groover
Explorer II
Explorer II
B.O. Plenty wrote:
Class action lawsuits are a joke. Shyster lawyers pocket the cash. I won't waste my time making them rich.

B.O.


That is the worst part, the lawyers generally end up with most of the money and it has to come from somewhere. The consumers, employees and investors are about to get the shaft and none of them had any say in this decision.

It does seem that the issue mostly went away after just a year or two.

S_Davis
Explorer
Explorer
About to turn 100,000 with mine, I think good fuel is the key to these pumps lasting.

BenK
Explorer
Explorer
Well covered on this forum years ago...heated and opinionated...

Got a few tossed off this forum...several threads got closed...

Am a gasoline guy and never really paid much attention to diesel. A short investigation into the 7.3L around 1999, but ancillary research showed the SMOG freight train coming down to make diesel's overly complex for me (knowing how complex gas was and the horrible 1980's for gassers)...passed on diesel

Search on this forum: "water in fuel" "Bosch" "CP4"
-Ben Picture of my rig
1996 GMC SLT Suburban 3/4 ton K3500/7.4L/4:1/+150Kmiles orig owner...
1980 Chevy Silverado C10/long bed/"BUILT" 5.7L/3:73/1 ton helper springs/+329Kmiles, bought it from dad...
1998 Mazda B2500 (1/2 ton) pickup, 2nd owner...
Praise Dyno Brake equiped and all have "nose bleed" braking!
Previous trucks/offroaders: 40's Jeep restored in mid 60's / 69 DuneBuggy (approx +1K lb: VW pan/200hpCorvair: eng, cam, dual carb'w velocity stacks'n 18" runners, 4spd transaxle) made myself from ground up / 1970 Toyota FJ40 / 1973 K5 Blazer (2dr Tahoe, 1 ton axles front/rear, +255K miles when sold it)...
Sold the boat (looking for another): Trophy with twin 150's...
51 cylinders in household, what's yours?...

B_O__Plenty
Explorer II
Explorer II
Class action lawsuits are a joke. Shyster lawyers pocket the cash. I won't waste my time making them rich.

B.O.
Former Ram/Cummins owner
2015 Silverado 3500 D/A DRW
Yup I'm a fanboy!
2016 Cedar Creek 36CKTS

goducks10
Explorer
Explorer
Shame on Ford.

agesilaus
Explorer III
Explorer III
Yeah I just hit 110K w/o a problem. The level of complaints certainly seems to have decreased over a few years ago. Maybe the service depts are dealing with problems without trying to screw the owners like Ford especially was doing.
Arctic Fox 25Y Travel Trailer
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2003silverado
Explorer II
Explorer II
Interesting.

They use a lot of definitive statements. Claiming manufacturers "always deny warranty coverage", and that by 100,000 miles "all truck owners see the costly results".

I'm guessing there are more than a few 2012 vehicles out there with a quarter million miles that still have the original pump. I know that at least the early cp4 pumps were delicate, especially when water was introduced to the fuel system, and that's when I remember the manufacturers being a little finicky about replacement.

Not defending Bosch or their cp4 pump, but here we go again with lawyers driving up the cost of the products we buy.

agesilaus
Explorer III
Explorer III
The problem with these class action suits is that the lawyers get tens of millions, the ONE client in who's name the suit was filed gets thousands, and everyone else gets a free small drink at Jack-in-the-Box.
Arctic Fox 25Y Travel Trailer
2018 RAM 2500 6.7L 4WD shortbed
Straightline dual cam hitch
400W Solar with Victron controller
Superbumper