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#3996731 - 02/01/16 05:24 PM typewriter noise
dieselguy67 Offline

Registered: 04/11/14
Posts: 7
Loc: ma
Hi guys I have a 2013 Ford F250 with a 6.7 diesel. 60,000 miles
I have used 10w30,5w40,15w40 and even 10w40 for oil choices. I have read here and on other forums about this noise after a oil changes and I also get the typewriter noise for about the first 500 miles or so. It doesn't bother me it seams to be a prevalent thing with Fords and Duramax's.
My question is what actually changes with the oil that makes it go away after some time?

Thanks Brian......

#3996842 - 02/01/16 07:18 PM Re: typewriter noise [Re: dieselguy67]
clinebarger Offline

Registered: 12/19/13
Posts: 1629
Loc: Fort Worth, Texas
My Duramax has a typewriter tick, Mine doesn't change at all throughout a OCI, I am curious about what others will post about this.
Here is the GM TSB on the subject....Though mine is louder when the engine is cold-Opposite of what the TSB says.

2001-2015 Chevrolet Silverado
2003-2009 Chevrolet Kodiak C4500/C5500 Series
2006-2015 Chevrolet Express Vans
2001-2015 GMC Sierra
2003-2009 GMC TopKick C4500/C5500 Series
2006-2015 GMC Savana Vans
Equipped with Duramax(TM) Diesel Engine (RPOs LBZ, LB7, LGH, LLY, LML, LMM)

Some of the above vehicles may exhibit a random ticking noise that is most audible on an engine with a coolant temperature of 70C (158F) or higher and from idle to approximately 1500 RPM. The noise usually is most noticeable at the rear of the driver's side front wheel well. Customers may also comment about hearing a tick noise inside the vehicle at idle such as when sitting at a drive through window. All 6600 Duramax(TM) diesel engines have this condition; however, some are more audible than others. Engine build variation from engine to engine contributes to differences in perceived volume. All Duramax(TM) engines are manufactured to very close tolerances to meet the durability and reliability standards.

This noise is caused by the relationship of the engine cylinder block, crankshaft journals, bearing inserts and the oil film. This relationship may allow a vibration that resonates through the cylinder block and is heard as a metallic ticking noise. The noise could be described as an irregular ticking or clacking sound, like random typing on a mechanical typewriter.

This condition has been present in diesel engines produced for the last 20 or more years. The overall noise reduction in engines produced today makes this noise seem new when, in fact, it was masked by other noises in the past. Many manufacturers such as Isuzu, Hino, Mitsubishi, and Nissan report a similar condition in their diesel engines. Testing and engine teardowns with this condition reveal no condition that would affect reliability or durability of this engine.

Dealers should not attempt to compare any customer vehicles exhibiting this noise with other similar vehicles as the noise is different from vehicle to vehicle and this may lead to the incorrect conclusion that the vehicle has a condition. This noise is a normal operating characteristic of the engine. This noise has no short or long term effects on the engine. Do not attempt repairs for this noise.
2001 Chevy Camaro L92/4L80E
2006 Chevy 2500HD LBZ/Allison 1000
2007 Chevy Cobalt SS LSJ/F35
2010 Toyota Corolla 2ZR-FE/Auto

#3996937 - 02/01/16 08:53 PM Re: typewriter noise [Re: dieselguy67]
another Todd Offline

Registered: 05/15/06
Posts: 2195
Loc: Lakeside CA
I have a 2015 Ford PSD and it is very loud in the morning with the "typewriter noise". Then after about two blocks from my house it disappears and just goes quiet like a gas engine.

Edited by another Todd (02/01/16 08:54 PM)
2015 Ford F250 Diesel Crew Cab FX4
2017 Ford Escape 2.0
2002 GMC Yukon
2015 Hyundai Accent
2008 Yamaha Rhino 700 FI

#3996951 - 02/01/16 09:16 PM Re: typewriter noise [Re: dieselguy67]
Pontual Offline

Registered: 10/08/14
Posts: 1648
Cranck journals and bearing insets clacking ... Perfectly normal, wink

#4509767 - 09/07/17 08:40 AM Re: typewriter noise [Re: dieselguy67]
redneck47441 Offline

Registered: 03/31/15
Posts: 27
Loc: Indiana
From what I've read people have been able to quiet it down with different oil brands?

#4509772 - 09/07/17 08:45 AM Re: typewriter noise [Re: another Todd]
JohnnyJohnson Offline

Registered: 10/22/09
Posts: 2130
Loc: Wet side WA
Originally Posted By: another Todd
I have a 2015 Ford PSD and it is very loud in the morning with the "typewriter noise". Then after about two blocks from my house it disappears and just goes quiet like a gas engine.

My 1989 Ford 7.3 Diesel ran great but it was never quiet!
2004 Toyota Corolla 118717
Out: QSUD 5W-30 Purolator One 5030 mile OIC
In: Valvoline ML 5w-30 Fram TG4967 117530
2006 Duramax 73712

#4510524 - 09/08/17 01:25 AM Re: typewriter noise [Re: dieselguy67]
asleepz Offline

Registered: 11/25/11
Posts: 85
Loc: Luling, LA
Ive run Delo, T6, and now have been running MC, they all make the typewriter noise for the first 1000 miles or so.
14F350 6.7L 86K MC15w-40/Donaldson
09Pilot 3.5L 83K PP5w-30/OEM
07Elite 80 2675mi HGMO10w-40/ScreenDoor
92Accord 2.2L 132K PP5w-30/OEM