4.2L 6cylinder

[03 D-max]

anybody had any expirience with this motor or the trailblazers for that matter my dad is thinking about buying one and i just wondered if they were anygood or what your guys opinions were

thanks
jacob

 

[05' Ditry Duramax]

I know the oil filter is real beotch to get to..........

Never heard of too many issues with them. GM used them in both T-Blazers and the Colorados and H3 hummers. It's used a lot in that small truck platform

 

[EFI Support]

Check out www.trailvoy.com - they have their own dedicated forum.

You can also tune the Trailblazer with EFILive - FlashScan V1 will only support the 01-05, 06 to current requires FlashScan V2

Cheers
Cindy

 

[NelsonDiesel]

i like em.

They have 1 flaw. The cylinder heads... they came out with a redesigned head and valves. I beleive the valve seats crack or something happens with them. Slight misfire at idle. The new designed head completely fixes the problem as far as i am aware of.

Just something to keep in mind. Send me over the vin or maybe henry can look it up in the vin check area.

 

[draftee]

Have an 02 trailblazer 52,000 miles, starter,clutch fan, and water pump so far. It has a 3.42 rear, if I had it to do over it would be 3.73s......Hope this helps.

 

[03 D-max]

ok thanks guys when he picks one out i will give you or henry the vin :hug:

 

[RodZZilla]

Wife has had one for almost a year. We haven't had any issues w/it.

 

[NelsonDiesel]

the owners seem to really like them.overall decent power with decent economy. ride nice and interior is nice.

not all have the cylinder head problem maybe 1 in every 20 that come through here.....

 

[Big Block 88]

MOm has the long ass Envoy with the 4.2 it is a good little motor runs good good power and the truck is overall very nice.