Know your engines: Interference and non – interference engines

Posted: Jul 23, 2015 in Maintenance tips, Reviews
Tags: , , , , , , ,

Do you know that if your car’s timing chain or belt snaps, your engine can either survive it or fail? This means that there are two types of engines in this regard: interference and non-interference engines.

Interference engines, also known as “destructive head” engines are the ones that have little clearance between the valves and pistons and if the cam stops turning as a result of broken timing belt or chain, the valve(s) will bend or break. Timing chain warns the driver unlike timing belts. If you start hearing clanking noise when the engine is on, the timing chain is due for change.

picture credit: carpartkings.com

picture credit: carpartkings.com

NonInterference engines are the type that have significant clearance between the valves and pistons. Below is a list (but not all vehicles) of interference and non-interference engines:

Volkswagen

• 1.3L and 1.6L are interference

• 1.8L 2.0L and 2.3L V6 are non interference

Toyota

•1.5L (3A-C, 1A-C and 3E) interference (Tercel etc)

•1.5L (3E-E & 5E-FE) non interference

•1.6L DOHC (4A-F & 4A-FE) non-interference (Corrolla, Carina II, etc )

•1.6L DOHC (4A-GE &4A-GZE) non-interference

•1.6L SOHC interference

•1.8L Diesel Interference

•1.8L DOHC petrol Interference

•2.0L Non-interference

•2.2L Diesel Interference

•2.4L Diesel Interference

• 2.4L Non-Interference (petrol

•2.5L Non-interference

• 2.7L V6 VVT-i Non Interference (Hilux, Fortuna etc)

•2.8L Non-interference

•3.0L inline 6 (excluding 1998 2JZ-GE) non-interference

•3.0L V6 non-interference

•3.3L V6 non-intereference

•3.4L non-interference

•4.7L interference

Audi

• 1.8L 1.9L Interference
• 2.8L V6 90 100 Quattro A4 A6 Interference.

Volvo

. All Interference (XC90, GLE, S40, 240 etc).

Mazda

• 1.6L Non-Interference

• 1.5L Non-Interference

• 1.8L 4 Cyl. Non-Interference

• 1.8L V6 Non-Interference
• 2.0L Diesel Interference
• 2.0L DOHC (626, MX-6 & Protege) Interference
• 2.0L DOHC (Tribute) Non-Interference
• 2.0L SOHC Non-Interference
• 2.2L Interference
• 2.3L 4 Cyl. (B2300) Non-Interference
• 2.3L V6 Non-Interference
• 2.5L 4 Cyl. (B2500) Non-Interference
• 2.5L V6 Non-Interference
• 3.0L DOHC Interference
• 3.0L SOHC Interference

Ford

• 1.3L Non-Interference
• 1.6L DOHC Non-Interference
• 1.6L SOHC Interference
• 1.8L Non-Interference
• 1.9L Non-Interference
• 2.0L DOHC (Contour, Escape, Focus, Mystique, ZX2 & 1999-2002 Cougar) Non-Interference
• 2.0L DOHC (Probe) Interference
• 2.0L Diesel Interference
2.0L SOHC Gasoline (Escort, Focus & Tracer) Non-Interference
• 2.0L SOHC Gasoline (Capri, Pinto & Ranger) Non-Interference
2.2L Interference
• 2.3L Diesel Interference
• 2.3L SOHC Gasoline Non-Interference
• 2.4L Diesel Interference
• 2.5L SOHC 4 Cyl. Non-Interference
• 2.5L V6 Non-Interference
3.0L SOHC Interference
• 3.0L & 3.2L SHO Non-Interference
• 3.3L Interference

Honda

All Except 3.0L & 3.2L Interference
• 3.0L & 3.2L Non-Interference

Hyundai

• All Interference

Infinity

• 3.0L & 3.3L Interference

Isuzu

• 1.5L Interference
• 1.6L DOHC Interference
• 1.6L SOHC Non-Interference
• 1.8L Diesel Interference
• 1.8L DOHC Gasoline Interference
• 2.0L Interference
• 2.2L Diesel Interference
• 2.2L Gasoline Interference
• 2.3L Interference
• 2.6L Interference
3.2L Non-Interference
• 3.5L Non-Interference

BMW

• 2.5L 325I 525I Interference
• 4.0L 740I Interference

Acura

• All except SLX Interference
• SLX Non Interference

Lexus

• 2.5L Non-Interference
• 3.0L V6 Non-Interference
• 3.3L V6 Non-Interference
• 3.0L Inline 6 (1992-97) Non-Interference
• 3.0L Inline 6 VVT-i (1998-2006) Interference
• 4.0L Interference
• 4.3L Interference
• 4.7L Interference

Chrysler

1.4L, 1.5L & 1.6L Interference

• 1.7L Non-Interference

• 1.8L Interference

• 2.0L DOHC Interference

• 2.0L SOHC Interference

• 2.2L DOHC Interference
• 2.2L SOHC Non-Interference
• 2.22L SOHC Interference
• 2.3L Diesel Interference
• 2.4L DOHC Non-Interference (Valves may hit if camshafts turn out of time)
• 2.4L SOHC Interference
• 2.5L 4 Cyl. Non-Interference
• 2.5L V6 Interference
• 3.0L SOHC 12 Valve Engine Non-Interference
• 3.0L DOHC Interference
• 3.0L SOHC 24 Valve Engine Interference
• 3.2L Interference
• 3.5L Interference
• 4.0L Interference

GM and Saturn

• 1.0L Interference
• 1.3L Interference
• 1.4L Non-Interference
• 1.5L Interference
• 1.6L (Chevette & 1000) Non-Interference
• 1.6L (LeMans) Non-Interference
• 1.6L (Tracker 16 Valve) Interference
• 1.6L DOHC (Aveo) Interference
• 1.6L DOHC (Nova) Non-Interference
• 1.6L SOHC (Nova) Non-Interference
• 1.8L Diesel Interference
• 1.8L Gasoline Non-Interference
• 2.0L Non-Interference
• 2.2L Diesel Interference
• 2.3L Non-Interference
• 3.0L Interference
• 3.2L Interference
• 3.4L Non-Interference
• 3.5L Non-Interference

GEO

• 1.0L Interference
• 1.3L Interference
• 1.5L Interference
• 1.6L DOHC (1989-92 Prizm GSI) Non-Interference
• 1.6L DOHC (1989-97 Prizm Except 1989-92 GSI) Interference
• 1.6L DOHC (Storm) Interference
• 1.6L SOHC (Prizm) Non-Interference
• 1.6L SOHC (Storm) Non-Interference
• 1.6L SOHC 8 Valve Engine (Tracker) Non-Interference
• 1.6L SOHC 16 Valve Engine (Tracker) Interference
• 1.8L DOHC (Prizm) Interference
• 1.8L DOHC (Storm) Interference

Jeep

• 2.0L Non-Interference
• 2.1L Diesel Interference
• 2.4L DOHC Non-Interference (Valves may hit if camshafts turn out of time)
• 2.8L Diesel Interference

Kia

• 1.5L DOHC Interference
• 1.6L DOHC Interference
• 1.6L SOHC Non-Interference
• 1.8L DOHC Interference
• 2.0L DOHC Interference
• 2.0L SOHC Non-Interference
• 2.4L DOHC Interference
• 2.5L DOHC Interference
• 2.7L DOHC Interference
• 3.5L DOHC Interference

P.S: 1995 Sportage has a non-interference engine

Mitsubishi

• 1.5L Interference
• 1.6L DOHC Interference
• 1.6L SOHC Interference
• 1.8L Interference
• 2.0L DOHC Interference
• 2.0L SOHC Interference
• 2.3L Diesel Interference
• 2.4L DOHC Interference
• 2.4L SOHC Interference
• 3.0L DOHC Interference
• 3.0L SOHC 12 Valve Engine Non-Interference
• 3.0L SOHC 24 Valve Engine Interference
• 3.5L DOHC Interference
• 3.5L SOHC Interference
• 3.8L Interference

Nissan

• All Interference

Porsche

4.7L 928 interference

2.0L 924 Turbo Interference
2.5L 944 Interference
2.7L 944 Interference
3.0L 944 Interference
4.5L 928 Interfererence

5.0L 928 interference

5.4L 928, Interference

Mercedes Benz

•All Interference

If this post has helped you or you have any input, Comment, Like or share on Google, Twitter or facebook.

Advertisements
Comments
  1. Raphael Echevarria says:

    What is the name of the engine or what car does it belong to in the photo from carpartsking?

    Like

  2. Ned Lancaster says:

    2013 CHEVROLET EQUINOX 2.4 – IS IT A NON-INTERFERENCE OR AN INTERFERENCE ENGINE?

    Liked by 1 person

  3. Linathi says:

    Is opel astra 1995 model a non or interference engine?

    Liked by 1 person

  4. Bogdan says:

    Hey guys. I can’t find whether a 2010 Citroen C Crosser 2.2 HDi engine is a interference or non interference engine. Anyone willing to let us know?

    Thank you

    Like

  5. Lenny says:

    Is the 2012 vw Jetta 2.0L s an interference or non-interference

    Like

  6. Anonymous says:

    how about scion xb 1.5l

    Like

  7. Ethan says:

    Hi is a 2.0 gt Toyota celica dohc engine a non interference engine

    Like

  8. Rajko says:

    Is Mazda 323 BF GT 1.6(gasoline engine, 3 doors hatchback) 1989 non interference or interference engine, thanks in advance.

    Like

  9. Anonymous says:

    Um, Volvo 240s are NON-interference

    Liked by 1 person

  10. Joe Joe says:

    Um, Volvo 240s are NON-interference

    Liked by 1 person

  11. omri roberts says:

    ford fusion/zetec 1.4 2007 Interference or none interference

    Like

  12. Euan Palmer says:

    Vauxhall Astra 1.6L Year 2000
    I or Non?

    Like

  13. Justin johnson says:

    Buick 3.8L engine a non interference or not?

    Like

  14. Bramo says:

    Hi so my Chevy 1400 cam belt broke and according to this list it has a non interference motor. So when I took to my mechanic he told me 2 valves had bent and charged me quite a bit to fix! Was he lying?? I was going like 60 kms/ph when it broke. What you guys think??

    Like

  15. Berni Mahon says:

    Hi. Timing belt went in a 2006 Chevrolet lacetti 1.4 petrol engine. Before I scrap it can anyone confirm what type of engine it is (interference or not) .I’m don’t seem to be able to find out if it’s a GM engine even….help!!

    Like

  16. M. G. Burg says:

    Mercedes Benz:
    ’76 – 117.985 engine
    “I” or “Non”
    Thank you.

    Like

  17. […] of interference engines out there, and chances are pretty good your car has one. There’s many, many lists you can check to see. So, the question is, […]

    Like

  18. Roy Engle says:

    Missing cars.
    The GM v6 2.8L 3.1L 1989s engine is INTERFERENCE!
    Pontiac 6000.
    Jeep.
    Cadillac.

    Like

  19. Jason says:

    The vw 1.8t is an interference engine.

    Like

  20. Miriam says:

    subaru foester 92/97 SFS JF1SF5LJ4WGO18888 -9 (2.0 Non Turbo is non-interference???
    Plese halp me

    Like

  21. Allan Mc Whirter says:

    Good information great help

    Liked by 1 person

  22. Mike says:

    1.6L 16 valve SOHC suzuki Tracker Sidekick engine is NOT an interference engine

    Like

  23. Chris morris says:

    I have a 2002 golf 2.0 an I was told it is an interference engine

    Like

  24. khaled says:

    what a bout Opel zafira 1.6 L ? is it’s engine interference or non interference?

    Like

  25. temblor65 says:

    Hello, I have a 2005 Honda Accord, 3.0 V6, you have it listed as Non interference, but my Honda mechanic told me it is? & there are a-lot of Honda forums and people speculate it is Interference.. but I can not find anything from Honda saying either way?
    How did you get your Honda 3.0 Non interference info?
    I would like to know for sure.. do you have a link to refer?
    Thank you!

    Like

  26. Anthony Smith says:

    I was told that Kia Sportage (4WD) was non-interference up until 2003., correct or not.

    Like

  27. Caine says:

    Hi please help..is “2004 holden astra city” non or ?

    Like

  28. Fayaz shaikh says:

    Is Tata Safari dicor 2.2 vvt a non interference engine?

    Like

  29. Duck says:

    Gentleman, I did not see if the 2007 Toyota Camry LE 2.4 was interference or non interference engine. Mechanic stated my timing belt just went…Does anyone know if it is or not?
    Thx
    Duck

    Like

  30. James says:

    Is the 2011 Ford Fusion 3.0 DOHC interference?

    Like

  31. craig watson says:

    I don’t see a toyota 1.5 1NZ-FE listed. The chain just went. Is it interference ??

    Like

  32. Dan says:

    The Geo metro/ Suzuki Swift 1.0 is not a interference engine I build these engines and have replaced over 11 of these belts that were broken I have never seen 1 bent valve in one from 1990 to 2002

    Like

  33. Randell says:

    Hi thanx for the info hope that i would not have to take my head if my 1.8 escort zetec

    Like

  34. Sherry Rovig says:

    95 2.5 liter 5 cylinder vw?

    Like

  35. Liviu says:

    Does Ford Focus mk2 (EU version) 1.6l 74kW have an interference engine?

    Like

  36. Deft says:

    volkswagon 1.8l 8v gti (PB)and 16v gti (KR) + (9A) are all interference engines. needs admending on your list

    Like

  37. Ayo says:

    Hello Admin
    Please is Mazda premacy 2002, 2.0L interference engine?
    Thanks

    Like

  38. Ayo says:

    Hello Admin
    Please is Mazda premacy 2002, 2.0Linterference engine?
    Thanks

    Like

  39. gary pearsall says:

    is ford f-250 triton motor interference

    Like

  40. MrT says:

    Toyota 4.0L V6 NOT LISTED

    Like

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s