hi,guys,how is everyone doing,i am brandnew here,i have 2005 tahoe,Ls 4x4,i had all fluid changed in my truck when it was 50000 miles at a non-dealer shop over 2 monthes ago,now it has 62000 on.a few days ago,i randomly found transmission fluid is overfilled by 1 inch above hot mark on dipstick,i took it back to shop yesterday,after awhile,they told me they took out extra fluid,it was only a half of pint.so,here are my questions:
1,is this ture only a half pint for 1 inch on stick?
2,in past 2 months,sometimes when i started engine,i noticed there is a short-quick kicking noise with vibration from engine or around transmission
3,in past 2 months and now,when a normal driving,i see 1->2 shiftpoint is at 1500rpm,which is same as it was,but 2->3,3->4 is at around 2000rpm which is different as it always was 1500rpm that i remembered,but correct me if i was wrong
4,are these issues can be linked to overfilled,except these issues,my truck runs good,whatelse should i concern,i looked underneath around trans,no leaking,but very oily dirt!
all comment are thanksful!

 

Welcome to the forum. WHEN YOU CHECKED THE FLUID LEVEL WAS THE FLUID KINDA BUBBLY OR NORMAL. iF BUBBLY THEN THAT IS NOT THE BEST AS IT WAS REALLY TO FULL.
1,is this ture only a half pint for 1 inch on stick?

COULD BE BUT AS LONG AS IT IS IN THE HASH WHO CARES HOW MUCH CAME OUT.

2,in past 2 months,sometimes when i started engine,i noticed there is a short-quick kicking noise with vibration from engine or around transmission

THIS COULD BE FROM CHEAP GAS OR THIN OIL. iF ITS GONE NOW IT MIGHT HAVE BEEN FROM THE TRANNY BUT I DOUBT IT.

3,in past 2 months and now,when a normal driving,i see 1->2 shiftpoint is at 1500rpm,which is same as it was,but 2->3,3->4 is at around 2000rpm which is different as it always was 1500rpm that i remembered,but correct me if i was wrong

YOU SHIFT POINTS CHANGE WITH THE AMOUNT OF LOAD YOU HAVE ON THE TRUCK AND GOGO PEDAL

4,are these issues can be linked to overfilled,except these issues,my truck runs good,whatelse should i concern,i looked underneath around trans,no leaking,but very oily dirt!
all comment are thanksful!

 

hi,thumper,thank you for quick reply,i checked about 3 times to make sure it was overfilled,only once i saw 2 bubles on stick,other times oil liked normal and with pink color.i do use regular gas all time,maybe it is time to use better gas? for shiftpoint changes i learned from you,thank you,maybe i worried 2 much

 

The ethanol content the gas stations use if its high your truck will make all kinds of racket. I notice it every time we head south of the border. Up here they use a max of 10% ethanol at some stations. It also gums up the motor so im told.