Category: Piston Slap

By on December 20, 2016

TTAC regular David Holzman writes:

My brother and several of my friends are wondering what to do about their TDIs. There are probably hundreds of thousands more like them! Some issues with keeping them:

  1. Will they actually be forced to clean up the emissions? (I think this may depend on which state they’re in, but I’m not sure.)
  2. How much will the fix affect gas mileage and performance?
  3. Will the fix be a PITA after it’s installed? If so, how so?
  4. After all the above is considered, what’s the cost/benefit of keeping the TDI vs taking the money and getting a new car?
  5. Is there any reason not to simply wait and see how the fix works out and not rushing to take the buy out?

For my brother, sportiness is not a priority, but having a wagon is. As is reliability and having a very similar car so that his wife, who does not adapt easily to different cars and drives the TDI exclusively, will be happy. But I think VW has discontinued Jetta wagons, and the latest generation of Golf (which has a wagon) gets lousy marks for reliability from CR. In particular, they consider some fuel system problems to be “fairly serious.”

All the best,
David

Read More >

By on December 13, 2016

1995 Lincoln Mark VIII LSC HID headlights, Image: © 2016 Sajeev Mehta/The Truth About Cars]

George writes:

What can I do about the low-beam headlights on my 1996 Lincoln Mark VIII LSC? Does anybody make replacement parts for this car?

Please help!

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By on December 6, 2016

 

2010 Toyota Prius

Peter writes:

I drive a 2010 Toyota Prius. From top to bottom, I’m thoroughly impressed by the technology in this car. And yet this engineering marvel is so easily disabled by its inferior owner leaving a dome light on overnight and draining the 12V battery.

Is there any technical reason cars allow the 12V battery to be drained down beyond the point where the car will start? Who needs that extra 6 hours of dome lighting?

Read More >

By on November 29, 2016

1998 Toyota Sienna XLE Front 3/4, Image: Toyota

TTAC commenter MatadorX writes:

Sajeev, I wonder if you wouldn’t be able to offer some of your wisdom on the continuing saga of the van.

The new automatic went in and worked perfectly. The engine got fully rebuilt. New crate short block direct from Toyota, heads rebuilt-surfaced/valve job/adjusted/stem seals. Entire engine re-gasketed with Toyota FIPG/OEM gaskets. New pretty much everything else on the front of the car. Wires, plugs, all three O2 sensors (Denso), IAC, Coolant Temp sensor, MAF, resealed injectors, OEM fuel filter. Brand new main TWC catalytic converter. Converted both the exhaust manifolds to 1998 Sienna California emissions spec (integrated warm-up cats), so now the car has a total of THREE catalytic converters.

Broke in the entire setup for 1,000 miles the proper way with varying RPMs, letting off gas to allow rings to seat, and occasional three-quarter throttle bursts, special break in oil for the first 500, then over to Mobil1. Tons of power, smooth, quiet. At idle she is so smooth you can’t even tell the van is on. Checked the entirety of the engine for vacuum leaks — nothing. Compression is strong across the board. Zero blow by.

However, I live in California, and — you guessed it — the van still failed the smog check. Read More >

By on November 25, 2016

2015 Volkswagen Golf TDI white

Scott writes:

Sajeev,

I’ve got a two-year-old 2015 Golf with a scarred rear bumper after an encounter with a stone wall (lesson learned — use the mirrors to complement the fuzzy nighttime camera image). Two repair estimates for refinishing the bumper cover average $525.00. The damage is down low behind the rear wheel and I can live with the gouge, for now.

However, I’m wondering about being gouged later when I inevitably decide to trade the car in (probably a few years). My question is: Fix it now, fix it before I sell the car, or don’t worry about it and roll the dice on what a dealer will ding me at trade-in time? Read More >

By on November 15, 2016

2017 Fiat 124 Spider

Kirk writes:

Sajeev,

I asked Bark for advice a few months ago and this question is somewhat related: I’m now planning to get a Miata or maybe the Fiat 124. I live at 5,000 feet above sea level and from what I’ve read, it sounds like the average naturally aspirated engine loses 3 percent of its power for every 1,000 ft increase in elevation, which translates to a 15 percent power loss at 5,000 ft. However, it appears that turbo engines do not suffer as much, as they lose about 1.5 percent power per 1,000 ft on average due to the less dense air. (i.e. more dense with forced induction – SM)

If that is the case, than I expect it would be better for me to get a turbo engine — provided I’m okay with the Fiat. Read More >

By on November 8, 2016

 

manual transmission. Shutterstock user alexkich

Jack writes:

I have a W203 Mercedes-Benz C 230K/1.8L. Would a rear-drive GM DOHC 3.4-liter V6 with a turbo make the 300-plus horsepower I think this car needs? Would an LS V8 fit? Would a 392 Dodge Hemi fit? Unless AMG, even the Mercedes-Benz V12 is only 5.0-liters. My car has the six-speed found in manual transmission Camaros.

Thanks!

JKD Read More >

By on November 1, 2016

 

obd ii fault codes

TTAC commentator Igozoom writes:

Hi Sajeev,

I’ve been reading your postings for years and decided to actually share my (maddening) issues with you.

I have a 2006 Mazda3 S five-door (five-speed manual, 2.3-liter) that I purchased new in December 2005. It only has 101,000 miles on the clock but has had a few significant problems along the way despite regular maintenance. However, the most recent issue has me stumped.

Read More >

By on October 25, 2016

2008 Ford Fusion Automatic Shifter, Image: Ford

Mike writes:

Hi Sajeev,

I bought my 2008 Ford Fusion V6 AWD about two years ago from a Ford dealer. At the time, it had about 65,000 miles. I’m now at 85,000 miles. I also bought the three-year extended warranty (one year left).

Despite my usual aversion to buying extended warranties, it’s proven to be a sound investment. I’ve had a few things (including an oil leak) fixed for free (minus deductible). The warranty has already paid for itself. The dealer I used for the warranty service (not the purchasing dealer) gave me a few free oil changes and some credit on an account, so I’ve been going there for routine oil changes/tire rotations.

At the last oil change/tire rotation, I noticed they didn’t check the transmission fluid. I asked them to do so. The technician checked the fluid: it was at the correct level, but getting dirty. I asked if I should change it and he mumbled, “If you don’t do it now, don’t ever do it. Transmissions get used to the fluid and replacing it might ruin the transmission.”

Read More >

By on October 18, 2016

 

third brake light chmsl. shutterstock user Bhakpong

Chris writes:

I’ve noticed various new-ish cars, ranging from Kias to Lincolns, with a flash-then-steady mode on their center high-mount stop lights. Is this becoming standard? I expect it’s not federally mandated, but I can’t imagine where else it’s coming from.

More importantly, how is it being implemented? I’m thinking about grabbing one from a salvage yard in a few years.

Read More >

By on October 12, 2016

2015 Chrysler 200 Steering Wheel Buttons, Image: FCA

Ronald writes:

I have an hour-plus commute with light to moderate traffic that fluctuates between 50 to 70 miles per hour. Adaptive cruse control would be great, but how cheap of a used car can I find with the technology?

Read More >

By on October 5, 2016

 

tempo allegro. shutterstock user icon99

Chris writes:

I was wondering where to get advice for a free car I’m about to acquire …

The car in question: a 1991 Ford Tempo LX with a four-banger and automatic transmission — not exactly a racer or show car. My dad used it as a work beater for the last 13 years so he didn’t have to drive his garage queen Cadillac. Now that he’s about to retire, he no longer needs it and has decided to give it to me to do with as I please.

Read More >

By on September 28, 2016

Sajeev's Mystery Machine, Image: © 2016 Sajeev Mehta/The Truth About Cars

Every “How To” automotive series pushes the aftermarket hard for free stuff, even under-the-radar journos like Zach Bowman and Regular Car Reviews find themselves with free/discounted goodies. I’ve done product reviews in TTAC’s past, so this isn’t a Baruthian hit piece on journalistic greed. Heck, Bowman generously donated his pre-sponsorship clutch for TTAC’s Ford Sierra (more on that much later) and Mr. Regular seems like a righteous enough dude.

So instead, think of my work as the alternative to PowerBlock TV. What work is this, you may ask?

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By on September 27, 2016

 

2009 Honda Civic. Image: Honda

Yaw A writes:

Sajeev,

Second time caller, long time fan. I have a 2009 Civic EX five-speed sedan I bought about 18 months ago and am hoping to drive into dust. I bought it instead of the Si because the EX gets slightly better gas mileage, uses regular gas instead of premium, and isn’t as … extreme?

Yet, naturally, I threw all the EX’s comfort out the window and let my inner ricer take over.

Read More >

By on September 20, 2016

20151030_151824-1

Zac writes:

Hi Sajeev,

I have a confession to make. I may have lied on my last TrueDelta survey. I reported ‘No Repairs,’ but, while technically true, I have been struggling with a problem for a few months now. My 2011 Ford Taurus SHO has been my long distance cruiser for 99,000 miles now, often times pulling an eight-foot trailer full of bikes and gear to track days all over the Southeast. I installed an Airraid cold air intake, Corsa Cat-Back exhaust, and Stage 3 tune from Livernois Motorsports at 17,000 miles, and the car has run fantastic until about 4,000 miles ago.

Read More >

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