Skip to main content

Site Navigation

Your Account

Choose Language

Discussion Topic

A/C compressor snaping bolts?

I have a 1998 FLD with Detroit S60 in it and I keep losing the bolts on the A/C compressor. I do know that if the harmonic balancer is not working they could come loose over time ,but mine is cutting them in half within hours after I put them in and drive down the road. I'm puzzled as to what could cause such a force to cut a bolt in half.

If anyone has any ideas please post an answer and in the meantime if I find out what's causing the problem I'll post an answer.

Thank you

Reply to discussion Subscribe to discussion

Is this a worthwhile discussion?

Score 0
Add a comment

9 Replies

Most Helpful Answer

http://www.ebay.com/itm/Detroit-Diesel-S...

I got this bracket about 7 years ago. It fixed the problem and is still on my truck.

Was this reply helpful?

Score 1
Add a comment

Thank you I will order one as soon as I get home. I hope it solves the problem because I'm to the point where I carry couple of bolts with me at all times and they are not cheep.

Was this reply helpful?

Score 0
Add a comment

I know how you feel, I've been there with my 95 FLD120. A real nightmare. This bracket fixed my problem and I hope it will fix yours. Good Luck!

Was this reply helpful?

Score 0
Add a comment

I had a similar problem with my DDEC IV, I snapped one of the bolts that attach to the engine, I would replace it and it would snap, same bolt. I replaced my dampner and installed the balancer from Pittsburgh Power, solved my problem, engine is also very much smoother.

Was this reply helpful?

Score 0
Add a comment

My 2001 FLD120 had the same problem. It was almost like clockwork. It would break the compressor bolts once a year or so.

I replaced my crankshaft damper back in Dec of 2008 and have not broke a single AC compressor bolt since. I have had the truck for over 10 years and it happened from about 500,000 miles on so it really supports what Pittsburgh power recommends.

I also replaced my AC bracket back in 2005 and it still continued to break A/C compressor's every year.

Was this reply helpful?

Score 0
Add a comment

I have heard you can get high grade bolts, but you need to replace the damper anyway, possibly look into that bracket too.

Was this reply helpful?

Score 0
Add a comment

I installed the best bolts that I could buy and still broke them!! I have a Sanden type compressor so that bracket will not work for me. The dampner and balancer cured my problem..

Was this reply helpful?

Score 0
Add a comment

I had ploblem with a 1996 fld the front cover on the.engine holes were oblong. I tried liqwood steel it worked great

Was this reply helpful?

Score 0
Add a comment

go to e-bay and look under "Detroit Diesel Series 60 A/C Compressor Mounting Bracket" . It is a $160 bucks piece that was designed to fix that exact problem forever. Easy to install by yourself in less than an hour, no mechanic experience need it . I have bought it 3 times for different trucks of mine, and it is a real headache and money saver.

Was this reply helpful?

Score 0
Add a comment

Join the discussion

mateykolev will be eternally grateful.
View Statistics:

Past 24 Hours: 0

Past 7 Days: 5

Past 30 Days: 30

All Time: 2,989