Front end

[Westbury boy]

My 2005 3.0 Alpharetta front end skips under hard acceleration but is fine under normal acceleration?

[pipsyp]

It's probably axle tramp, most of these things don't have traction/stability control so you push 220hp through the front end of something like an Alphard harshly, it's somewhat to be expected.

[Westbury boy]

It only happens if for instance someone lets you out of a turning or a gap in traffic and have to be quick 

[Rojie]

1 hour ago, Westbury boy said:

It only happens if for instance someone lets you out of a turning or a gap in traffic and have to be quick 

 

Load shift.

 

The quicker, and more suddenly, you accelerate the more loading shifts (load transfer) to the rear axle/wheels.

As the vehicle is a fixed weight, less loading will be on the front axles, causing less adhesion. 

 

Is the rear end suspension in prime condition ?

 

Similarly, if your front suspension is less than optimal that will increase the tendency to 'tramp', as Paul described.

 

You should get your suspension checked, when is your next MOT ?

 

The quick, easy and inexpensive solution is to 'take' it easy.

[Westbury boy]

Thanks guys after the first time I now always take it easy on the gas  just booked it in for a. Heck anyway cheers