Tag: Suspension

By on November 18, 2014

 

2009_infiniti_m35-pic-14982

TTAC Commentator CoreyDL writes:

Hey Sajeev,

I have had several questions floating around in my head for quite a while about proper suspension maintenance. My story begins a couple of cars ago when I couldn’t find answers, and ends here with this multi-part, OCD-approved question. My 09 M35x has just gone over 56,000 miles and I’m thinking I am past due for shocks (they’re originals, I believe). After riding in a G37xS the other day and noticing how much more compliant it felt over speed bumps and the like, my awareness of the issue increased.

When I go and look at various message board/etc. sources online, seems like whenever someone has tried to ask a serious question about their suspension, some dudebro usually replies with, “Aw man just put Bilstiens on there and lower it brah.” (Read More…)

By on November 3, 2014

Torque On The Left Hand side? (photo courtesy: www.moderndriveline.com)

Mark writes:

Sajeev–

Here’s a weird one to test your skills of remote diagnosis. Fire up your Magic 8 Ball for this one.

Car: 2012 Mustang V6, manual gearbox, performance package (currently running some crappy General AS Max-03 tires), 33,000 miles. I’m the only owner; special ordered to get it just the way I want. Mods limited to a Shaftmasters one piece drive shaft (scared into it by a few YouTube videos), a Draw-Tite receiver hitch to pull my one bike motorcycle trailer, and an 87 octane tune uploaded via SCT (on your recommendation). The car will go into a nearby Ford dealer for a look at this issue under warranty this coming Friday, but based on the “quality” of some of the work I’ve had done over the years, I thought it would help to give the techs some clues.

Problem: For the past few days, I’ve heard irregular “bangs” or “clunks” from under the car. (Read More…)

By on November 2, 2014

moz-screenshot-18

Just about all of my daily drivers have been stock, more or less. I did some engine, transmission and overdrive swaps on Volvos back in the 1980s, but everything was factory, if not on that particular vehicle when it left Goteborg. Also, there was a 1972 VW bus for which I built a high-performance Beetle *engine so it could cruise at fast enough speeds to be safe on the interstates. Other than those, I haven’t done any mechanical modifications to cars that I’ve driven regularly, at least not to the chassis, but now I’m taking the plunge. (Read More…)

By on May 7, 2014

TTAC Commentator slance66 writes:

Sajeev,

The B&B helped me choose a car three or four years ago, and now I’m thinking of its replacement, ahead of time. I bought a CPO 2007 BMW 328xi, which has been nearly flawless to 67k. I only drive 8,000 miles a year with a 3.5 mile commute each way, so it should last a long time. I love the car and do plan to keep it a few more years, but, I don’t know if it will survive the potholes. (Read More…)

By on February 25, 2014

Chris writes:

Dear Sajeev,

Back in 2005 I purchased a new Honda CR-V. It recently rolled over 200,000 miles. It has never given me any trouble or needed anything but normally scheduled service and the usual wear items (tires, brakes, battery). It has survived the New England winters rust free. Most importantly, it’s paid for.

Is there anything proactive I should do to keep it on the road, maybe even for another 100K? I don’t mind investing now if it will save me major repairs later. As trouble-free as it’s been I can’t see replacing it (nor am I in a position to right now), but given the mileage I feel like I should be waiting for that other shoe to drop! (Read More…)

By on December 16, 2013

TTAC commentator Seminole95 writes:

Sajeev,

The Wall Street Journal recently suggested that part of VW’s problem in the US is the slow growth in Passat sales. About the Passat sales, they attribute it to a cheapening of the components relative to the European Passat, stating: “The American model also got a simpler, lower-cost suspension that delivered a less precise ride.”

My question is: how does one tell a priori that they are buying a car with a cheap suspension? Many mainstream media car reviews do not discuss the objective quality and construction of suspension components, preferring to discuss subjective feelings of ride. In addition, a car’s ride may “feel” good now, but this does not mean that it will in 5 years. (Read More…)

By on October 7, 2013

TTAC commentator mnm4ever writes:

Sajeev,

I have 2 slightly older cars in my stable and both are having similar issues. We have a 2001 MR2 Spyder with 72k miles, and a 2002 Honda CRV with 230k miles. The CRV recently got new shocks and springs, new lower front control arms and front compliance bushings, and new front ball joints. While it now rides a little bit better, it still crashes over bumps and just feels like an old worn suspension even with all the new components. (Read More…)

By on December 24, 2012

Vincent asks:

Hi Sajeev,

I own a 2000 Audi A6 2.7T that I bought 3 years ago. It has been a surprisingly good vehicle to me – comfortable and fast. I even track it on occasion with no complaints. It’s been fairly reliable; the most major issues were having the ABS controller rebuilt and replacing the valve cover gaskets myself, which were not a big deal. As long as nothing catastrophic happens, I plan to keep the car for many more years. (Read More…)

By on October 18, 2012


A comment several articles ago on quantifying ride evaluation (the ‘ass-o-meter’ as one commenter put it) lodged in my brain. It reminded me that I never expanded on the additional data acquired during this magazine test three summers ago. I’ll do that here, add a few words on the timed track testing and then give you hungry readers some enticing graphs, to balance out my verbose ramblings (wink wink!).

(Read More…)

By on September 12, 2012

In the last article, we explored what influences a suspension to ‘feel sporty’ vs. actually deliver better performance. A great car rewards us with a sublime driving experience while many (most?) let us down in a various ways. As part of that article, I dove into fairly technical terms without much introduction, so I’m taking a step back to do an overview and define a few terms. Then, I’ll get into the real meat of Suspension Truth and why we’re on The Truth About Cars – more seat-of-the-pants impressions tied to juicy technical details and real-world test data like shock dyno graphs, 3-axis accelerometer results – even raw shock velocity measurements from our Aim EVO system! From here we’ll be able to give metrics for different vehicles and see what we like and what we’d like to improve.

(Read More…)

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