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Stupidest Designs....... #5298476 12/18/19 10:21 PM
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ToadU Offline OP
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So many to choose from....off the bat I am going w a liquid cooled alternator. Thanks Cadillac. oilburner

Last edited by ToadU; 12/18/19 10:22 PM.
Re: Stupidest Designs....... [Re: ToadU] #5298489 12/18/19 10:36 PM
Joined: Jul 2008
Posts: 1,475
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rubberchicken Offline
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Originally Posted by ToadU
So many to choose from....off the bat I am going w a liquid cooled alternator. Thanks Cadillac. oilburner


A buddy of mine was selling his BMW 750i, and I considered buying it. He related how he had to replace the liquid cooled alternator and it was a very expensive repair- over $2000. The car was in great shape otherwise, but had a rear main seal leak. I was serious considering it but he encouraged me not to buy it, as it was a money pit. It had close to 200k miles on it and he was looking for around $10-11k. A BMW mechanic finally bought it, but it took him a while to sell.

Re: Stupidest Designs....... [Re: ToadU] #5298515 12/18/19 11:05 PM
Joined: Jun 2008
Posts: 6,390
ls1mike Offline
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I have changed a few 3800 oil pan gasket. I hate doing them. The don't leave any room to get at some of the fasteners.

I don't like where any modern heater core is.

Last edited by ls1mike; 12/18/19 11:05 PM.

Mike
00 Trans Am WS6 5.7 LS1
17 Silverado 3500HD 6.0
14 Caprice PPV 6.0
15 Malibu LTZ Turbo
12 Passport TT
Re: Stupidest Designs....... [Re: ToadU] #5298573 12/19/19 12:27 AM
Joined: Aug 2004
Posts: 2,685
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double vanos Offline
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BMW cheap plastic expansion tanks and hard to get to oil separators.


Sabine Schmitz is the Queen of the 'Ring; Svetlana Kapanina is the Queen of the SKIES...
Re: Stupidest Designs....... [Re: ToadU] #5298575 12/19/19 12:33 AM
Joined: Nov 2018
Posts: 2,662
Skippy722 Offline
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This blend door gear from a 2011+ Durango/Grand Cherokee.

[Linked Image]


2019 Ram 1500 Classic
2018 Dodge Grand Caravan GT

Slight Mopar obsession
Re: Stupidest Designs....... [Re: ToadU] #5298581 12/19/19 12:43 AM
Joined: Sep 2015
Posts: 299
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JEL01 Offline
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Posts: 299
Minor thing but gen7 and gen8 Accord headlight bulb changes require going through the wheel well and opening up the fender liner


Cars I maintain:
02 Mercedes CLK430
09 Honda Accord V6
13 Lexus RX350 AWD
02 Toyota Tundra 4x4
18 Lexus GX460
Re: Stupidest Designs....... [Re: ToadU] #5298582 12/19/19 12:44 AM
Joined: Jun 2004
Posts: 941
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ctechbob Offline
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Posts: 941
Drain plug on a (I forgot what year) Kia minivan transmission. Yay for a drain plug, stupid that they put it right over a non-removable frame member so you can't actually get it out.


2008 Acura TL Type S-170k
2003 Honda Accord V6-222k
Oil-Havoline HM 5W30
Filter-Partsmaster 61334
Trans-Idemitsu H+
Re: Stupidest Designs....... [Re: ToadU] #5298587 12/19/19 12:48 AM
Joined: Jul 2013
Posts: 935
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The_Nuke Offline
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EGR tube/port-inlet on the 3.5L engine Dodge used in the ‘05-10 LXs.

Once unhooked from the intake plenum, it would never seal back completely upon reinstallation of plenum. Plus, given the fact that the engines used Speed Density/MAP fueling, the inevitable vacuum leak at the EGR inlet could go unidentified for weeks.

I swear that design was the product of some drunken monkey detoxing off of benzodiazepines and in the middle of a seizure episode.


2012 Charger Pursuit aka "The Bacon Hauler"
- 5.7L + NAG1 (A5) + 3.07 (215mm)
Re: Stupidest Designs....... [Re: ToadU] #5298656 12/19/19 05:49 AM
Joined: May 2007
Posts: 8,454
dnewton3 Offline
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The internal water-pump on 3.5L/3.7L Ford Cyclone engines. Fantastic engines until the water pump gets a leak. Expensive and time consuming job at the least, for FWD applications. Total engine failure if you don't catch it in time and it gels your lube and seizes the engine.


The act of preventative maintenance, in and of itself, is FAR MORE important than brand/grade/base choices among lubes and filters.
- under maintaining something is akin to abuse/neglect; that can kill equipment by shortening the lifespan
- over maintaining something has never been proven to be anything but a waste of time and money
Re: Stupidest Designs....... [Re: ToadU] #5298700 12/19/19 07:54 AM
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zzyzzx Offline
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There are those engines where you have to remove the intake manifold to replace the starter. Toyota and Honda come to mind.

Vehicles where you have to pull the dash to replace the heater core or HVAC doors and actuators.

Re: Stupidest Designs....... [Re: ToadU] #5298710 12/19/19 08:12 AM
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Posts: 346
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emmett442 Offline
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Joined: Dec 2016
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Dumbest design from a maintenance standpoint? V6 powered GMT330 trucks. All of them.

They are actually ok vehicles, but when there is a repair to be made, they always leave you scratching your head asking yourself "why'd they do it like that?". Truck as a whole is such a basic design whether it be the powertrain or chassis, but it's poorly assembled.


2011 Ford Crown Victoria LX 4.6L V8 auto
2009 Chevrolet Malibu LT 2.4L I4 auto
1974 Dodge D200 360 V8 4 speed manual
Re: Stupidest Designs....... [Re: ToadU] #5298732 12/19/19 08:39 AM
Joined: Jan 2010
Posts: 4,108
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JeffKeryk Online Content
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Any awkward placed ol filter. AKA Honda back of engine.
Why are there so many different sized oil filters?

Sealed transmissions with lifetime fluid. Please...


2018 Tesla Model 3, Medium Range Battery
2018 Lexus RX450h
2013 Lexus GS350 F Sport
2006 Acura TSX
2001 Tundra Access Cab, 1998 Accord LX, 1968 Corvette L36 Roadster, 1965 Olds 4-4-2
Re: Stupidest Designs....... [Re: zzyzzx] #5298781 12/19/19 09:23 AM
Joined: Jun 2008
Posts: 6,390
ls1mike Offline
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Originally Posted by zzyzzx
There are those engines where you have to remove the intake manifold to replace the starter. Toyota and Honda come to mind.

.

I think the NorthStar is like that too.


Mike
00 Trans Am WS6 5.7 LS1
17 Silverado 3500HD 6.0
14 Caprice PPV 6.0
15 Malibu LTZ Turbo
12 Passport TT
Re: Stupidest Designs....... [Re: ToadU] #5298786 12/19/19 09:26 AM
Joined: Jun 2019
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Echofled Offline
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J Body 2.2 ohv with 3T40. Ignition coils are located on bottom rear of the block & firewall. J Bodies with 4T40E had more clearance. 1998 & newer coils were relocated on the side of the valve cover.

Re: Stupidest Designs....... [Re: ToadU] #5298819 12/19/19 10:00 AM
Joined: Mar 2011
Posts: 1,571
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SLO_Town Offline
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BMW doesn't hold exclusive rights to this, but R&Ring AC evaporators on an E90/E92 require near total disassembly of the front half of the interior. My wife and I have an E90. Check out this video! See how mortified we were seeing what the repair encompassed.

https://www.youtube.com/watch?v=KVpp8CFcfVI

Scitt


03 BMW E46 330Ci ZSP (Euro Castrol 0W-30)
10 Honda Element SC (Castrol Magnatec 5W-30)
11 BMW E90 328i M-Sport (Pennzoil Euro 5W-40)
16 VW Passat VR6 3.6L SEL Premium (Castrol 0W-40)
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