Timing belt or chain in Maverick hybrid engine?

[jts047]

Does anyone know if the hybrid engine has a timing belt or timing chain?

Sponsored

 

[Red Ryder]

Unless something has changed, the MZR-based engines have chains.

 

[bwiese]

How long (for normal driving conditions) do you go before you need a timing chain replacement?

Bill Wiese
San Jose CA

 

[Rkbrumbelow]

How long (for normal driving conditions) do you go before you need a timing chain replacement?

Bill Wiese
San Jose CA

The answer presently is “lifetime”

 

[oljackfrost]

How long (for normal driving conditions) do you go before you need a timing chain replacement?

Bill Wiese
San Jose CA

Timing chains normally don’t break and seldom wear out. On rare occasions an engine with many, many miles the chain might start to stretch; this would change the timing, thus the performance, which is a heads up that the chain needs attention.

 

[FirstFord]

Timing chains normally don’t break and seldom wear out. On rare occasions an engine with many, many miles the chain might start to stretch; this would change the timing, thus the performance, which is a heads up that the chain needs attention.

True, but all modern engines have chain tensioners that can accommodate stretch over the lifetime of the engine. Also, chains don't actually "stretch." Instead the pins/bushings wear and the additional slop results in the chains becoming longer. This is the wear mechanism in motorcycle and bicycle drive chains which see a lot of road grime. An engine chain isn't exposed to all that muck and consequently sees much less "chain stretch."

 

[Joe Rambo]

My Salesman told me it was a belt, but he asked someone else who may or may not have been guessing. I’m glad to see here that it’s possibly a chain

 

[Rkbrumbelow]

Every other hybrid 2.5 from Ford is a chain we can safely assume this is as well

 

[Falcon first]

BMW had a major problem with timing chain guides on a discontinued N20 engine. A plastic chain guide fit around the chain I guess to keep it from hitting anything once it stretched. Problem was the guide would fall apart (plastic) in some engines and if you caught it in time $1400+ to fix, if you didn’t catch it in time $15,000+ for a new engine. Many manufacturers use a plastic chain guide so its not isolated. BMW settled a class action lawsuit and I know some other mfgs had some issues. Best way to prevent it supposedly was changing the oil. Of course making one that didn’t fall apart would have helped.

 

[FirstFord]

BMW had a major problem with timing chain guides on a discontinued N20 engine. A plastic chain guide fit around the chain I guess to keep it from hitting anything once it stretched. Problem was the guide would fall apart (plastic) in some engines and if you caught it in time $1400+ to fix, if you didn’t catch it in time $15,000+ for a new engine. Many manufacturers use a plastic chain guide so its not isolated. BMW settled a class action lawsuit and I know some other mfgs had some issues. Best way to prevent it supposedly was changing the oil. Of course making one that didn’t fall apart would have helped.

Interesting. They had the same problem with motorcycles in the K1200/K1300 family. They fixed it before my model year.

 

[Falcon first]

We had a 2013 BMW X1 that was going to hit 7 years old so we traded it because it had the N20 engine. Thing is they figured it out in about 2014 but had used the engine in a couple hundred thousand engines so they extended the warranty.

 

[bwiese]

Last time I checked, it was a good idea to change timing chains on Ford V8s (4.6L or 5L) around 125K just-in-case though I am sure many went well above 200K OK.

Does anyone know if the 2.5L hybrid engine is "noninterference"? (i.e. no risk of piston ever touching valves?

Bill

 

[jimmy fitzwell]

Last time I checked, it was a good idea to change timing chains on Ford V8s (4.6L or 5L) around 125K just-in-case though I am sure many went well above 200K OK.

Does anyone know if the 2.5L hybrid engine is "noninterference"? (i.e. no risk of piston ever touching valves?

Bill

A loose timing chain makes distinct noise long before it snaps. Lift the hood with a warm engine at idle, can't miss it.
My 2000 4.2 V6 was tight at 235k. My bud's 5.0 Mustang had like over 350k before before the crankcase exploded. The timing chain was fine. He put that car through hell.
I would guess the 2.5 is interference.

 

[Rkbrumbelow]

Last time I checked, it was a good idea to change timing chains on Ford V8s (4.6L or 5L) around 125K just-in-case though I am sure many went well above 200K OK.

Does anyone know if the 2.5L hybrid engine is "noninterference"? (i.e. no risk of piston ever touching valves?

Bill

It is a 2.5 L Duratec iVCT Atkinson cycle I4 hybrid so it is variable cycle and interference

 

[JohnnyBravo]

Timing chains normally don’t break and seldom wear out. On rare occasions an engine with many, many miles the chain might start to stretch; this would change the timing, thus the performance, which is a heads up that the chain needs attention.

they dont wear out.... unless you have a big block mustang....then they do get stretched a tiny bit

Sponsored