Category: Piston Slap

By on December 17, 2014

 

(photo courtesy: underhoodservice.com)

Robert writes:

I have changed the seal 2 times on my 3.8L Chevy and it still will leak. I had a place on harmonic balancer.I put the recommended slave to repair.It was not long enough to cover the bad spot on the balancer.It was close but they seal was damaged.They offer a different one that is$30+.This all occurred just out of the blue.I rebuilt the engine and it has 30,000 on it.I was wondering if there is something causing pressure around this seal.Pressure check on cylinders was good.Any ideas what to do or pressure is good too good.

Thank you sincerely – Robert Read More >

By on December 15, 2014

 

You are still a good person. (photo courtesy: Dealer.com)

Seth writes:

Dear Sajeev,

I have terrible luck with oil drain plugs. Of the last 4 oil changes I’ve done, only one has been successfully completed in a single day, because I can never get the drain plug loose.

The culprits in these comedies of errors are a 1999 Saab 9-3 and a 2006 Honda Pilot. The first time I came across the stuck plugs, the Saab was a recent acquisition, and the Pilot had had its last oil change done at a local mechanic’s shop down the road. Therefore, I assumed that an overzealous shop jock who got trigger happy with an air gun was to blame. In the process of getting the plugs out, I managed to mangle the Saab’s bad enough to require the purchase of a new one, and should have also bought a new plug for the Pilot, too (but didn’t). When I reinstalled them, I put them in fairly snugly, but with the mindset that I didn’t want to get myself into this mess again. Read More >

By on December 10, 2014

 

IMG_20140927_115357

Done Duratec’d Out? (photo courtesy: Supaman)

TTAC Commentator Supaman writes:

Hi Sajeev,

Haven’t visited TTAC in a while but I’m back! My Mazda 6 has now crossed the 101k mileage marker and all your nuggets of wisdom have helped keep this classic functional and beautiful. However, there’s another problem rearing its head that has plagued even the Mazda forums I’ve visited for a resolution.

It involves the car’s driveability at anything below 3000 rpm. Doesn’t matter whether the engine is just warming up or at operational temperature, the car will hesitate (sometimes violently) in a stuttering/bucking fashion when accelerating from a stop through the gears until I crest that magic 3000 mark on the tach. Out on the highway, passing in top gear is almost impossible because of the engine’s hesitation if revs fall below that number, requiring a downshift to 4th to keep them up. At first I thought my manual skills were to question but then I never started experiencing this issue until around the 87,000 mile mark. It has since gotten worse. Sometimes the bucking is enough to trigger the CEL but then it always goes away after a while.

Browsing the forums I’ve tried everything from cleaning the MAF sensor, fuel injector cleaner, throttle body cleaning as well as replacing the O2 sensor. I’ve narrowed it down to either spark plugs (some forum members replaced theirs but the problem came back hours later), the coils or possibly a vacuum leak. One post I read indicated a potential cylinder misfire. Even Mazda dealers were confounded. Read More >

By on December 8, 2014

 

My 98 booming with a trunk of funk, Don’t Believe the Hype. (photo courtesy: Ford)

GCH writes:

Sajeev:

Could you/somebody please explain what a “flat plane crankshaft” is in the new Mustang GT350, and older Porsches and Ferraris?

I have seen numerous references to it online and in print but nobody, including Wikipedia explains it in non-calculus terms.

Read More >

By on December 3, 2014

 

The Obvious Choice. (photo courtesy: forums.vwvortex.com)

TTAC Commentator anti121hero writes:

Hello Sajeev! Very long time reader, but first time I’ve ever reached out. To start, I happen to be a huge RWD ford fan, (I’m actually helping my best friend put together his 94 mark viii). Now with your interest gained… Read More >

By on December 1, 2014

 

Dat Complexity. (photo courtesy: byzantineempire1.weebly.com)

Mehran writes:

Greetings to you Sajeev and your evil twin Sanjeev, (yeah he’s dead to me – SM)

First of all thank you very much for answering my other question, just to give you an update on that, I ended up not buying the extended warranty. Now we recently bought a 2012 Toyota Highlander Limited to replace my wife’s old car(V6, 5 Speed automatic with the towing package which adds the trans cooler) it has 34K miles and this one has the extended warranty (100K or 2019). The issue that we have with the car is as follow, after a cold start (in the morning) if I put it in any gear (D or R) something funny happens, the transmission acts funny, it goes in and out of the gear couple of times. For example if I want to back-out of the garage when I put in R and give it a little gas it starts going but for a quick second it seems like that the transmission dis-engages and then re-engages and the tachometer jumps from 1K to 3K. If I wait about 10 sec after I start the car and then put in gear everything is OK. Read More >

By on November 26, 2014

 

Or not? (photo courtesy: www.mazda3forums.com)

Sam writes:

Hello,

I have a 2006 Mazda 3 S with 120,000 miles on it. I live in Oakland Ca, where the pot holes shoot back. I blew out a front strut a last year and had both front struts replaced. After replacement, one of the struts squeaks like a rusty spring at slow speeds and is annoying. What is actually driving me crazy is a week ago the other front strut started making loud thunking under acceleration at slow speeds. Read More >

By on November 24, 2014

 

Because SedanLimo. (photo courtesy: forums.vwvortex.com)

TTAC Commentator Nick 2012 writes:

Archangel of the Panther Platform –

A nice looking 2005 LWB Lincoln Town Car with only 107,000mi popped up for sale at a nearby dealer with a what-I-hope-to-be-optimistic $8,000 asking price. As any follower of the good book of fat Panther Love(tm), I keep my eye out for a good one on the local boards.

I took a new position a while back that has me commuting about 65mi a day – about 90% interstate. Going from my comfortable, competent Accord to the extremely comfortable TC would cost me about $10/week in increased fuel costs if I exclusively used the TC (which I wouldn’t do).
Read More >

By on November 19, 2014

(photo courtesy: kdeissy.files.wordpress.com)

TTAC commentator “Stuck in DC Traffic” writes:

Hello Sajeev, B&B and your evil doppelganger Sanjeev,

I have a 2004 Acura TSX 6MT with 263,000 miles on it. The car runs great, owned out right, still looks good, and is almost problem free except for an airbag light. Being that I live in the DC metro area and we are rated one of the worst places in the US for accidents, that light makes me nervous. What I want to know; is it worth getting fixed? Or for that matter is it even worth getting diagnosed? Read More >

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 >

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