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Search: Posts Made By: qha_vn
Forum: LS400 09-03-14, 07:37 PM
Replies: 10
Views: 478
Posted By qha_vn
please think twice before doing it. I had mine...

please think twice before doing it. I had mine replaced, it was a very dangerous job.

to access the filter you would need to work from below, when filter removed, gas will keep flowing down until...
Forum: LS400 09-03-14, 07:27 PM
Replies: 10
Views: 478
Posted By qha_vn
I believe gas is not only dirty but not at...

I believe gas is not only dirty but not at advertised grade as well. you are right.

many stations were investigated and found at least 10% cheat. you pay 100 liters you get 90.
Forum: LS400 09-03-14, 02:16 AM
Replies: 10
Views: 478
Posted By qha_vn
thats a good idea but I didnt pick it. i may be...

thats a good idea but I didnt pick it. i may be thrown away :sad:

however, I am thinking how we can safely cut the filter, its highly flamable :egads:
Forum: LS400 09-02-14, 08:20 PM
Replies: 10
Views: 478
Posted By qha_vn
must share - small fuel filter makes big difference

my ls400 90 had long been having unstable idle and slow start-up (no matter engine is cold or hot)

I did a lot of guess work like replacing spark plugs, air hoses, temp sensor, ECU... didnt work....
Forum: LS400 08-31-14, 08:39 PM
Replies: 32
Views: 957
Posted By qha_vn
the hard hose wasnt the only cause, I am still...

the hard hose wasnt the only cause, I am still losing coolant hix
Forum: LS400 08-24-14, 08:34 PM
Replies: 24
Views: 767
Posted By qha_vn
I have after market HU (receiver) and stock sub

I have after market HU (receiver) and stock sub
Forum: LS400 08-24-14, 08:29 PM
Replies: 4
Views: 218
Posted By qha_vn
make sure you have a really good friend outside...

make sure you have a really good friend outside when you are in the truck locked :-)
Forum: LS400 08-24-14, 08:26 PM
Replies: 32
Views: 957
Posted By qha_vn
it is very like that the hard hose was the cause....

it is very like that the hard hose was the cause. I got it replaced and monitor water level for 2 days. Loss isnt significant as it was before. wish me luck :-)
Forum: LS400 08-24-14, 08:25 PM
Replies: 32
Views: 957
Posted By qha_vn
in rare cases, factory or big dealer could...

in rare cases, factory or big dealer could replace the engine, they would need to submit tons of paper work to prove it legally. the process would kill any individual.
Forum: LS400 08-20-14, 09:42 PM
Replies: 32
Views: 957
Posted By qha_vn
Thank you PureDrifter, you got the point. we...

Thank you PureDrifter, you got the point. we normally have to pay double the price on ebay for tax, shipping and 2 weeks for delivery. I did however mention about OEM head gasket set, which would...
Forum: LS400 08-20-14, 06:56 PM
Replies: 32
Views: 957
Posted By qha_vn
I am not sure about the new head gasket, but it...

I am not sure about the new head gasket, but it was after market and relatively cheap. I couldnt afford OEM one at the time because of both cost and delivery time.

yesterday I unintentionally...
Forum: LS400 08-20-14, 04:07 AM
Replies: 32
Views: 957
Posted By qha_vn
I found the song (by Paul Hardcastle) but I dont...

I found the song (by Paul Hardcastle) but I dont want to dig it up. war is bad anywhere by any reason.

I am not going to get it back to new, just want to keep it run fine long as possible.
Forum: LS400 08-20-14, 03:53 AM
Replies: 32
Views: 957
Posted By qha_vn
There is no visible sign of coolant on the...

There is no visible sign of coolant on the ground, or maybe very little to catch my eyes.

since I have to top up coolant every week, I use bottled drinking water instead of coolant, so nothing...
Forum: LS400 08-19-14, 07:16 PM
Replies: 32
Views: 957
Posted By qha_vn
dont get it mate, sorry :confused:

dont get it mate, sorry :confused:
Forum: LS400 08-19-14, 07:14 PM
Replies: 32
Views: 957
Posted By qha_vn
Thanks RA40, my car does not have the steam that...

Thanks RA40, my car does not have the steam that bad. smoke is clear in normal condition, during rain, there is steamy-look smoke but still not that bad. I notice my friend's GX470 sitting next to my...
Forum: LS400 08-19-14, 07:05 PM
Replies: 32
Views: 957
Posted By qha_vn
no unfortunately. i was advised that (re)machined...

no unfortunately. i was advised that (re)machined would make the block shorter tho very little but it may cause a lot more problems with pistons and valves
Forum: LS400 08-19-14, 01:34 AM
Replies: 32
Views: 957
Posted By qha_vn
let me check but its not easy to tell if there...

let me check but its not easy to tell if there is. the stain may not be obviously visible. I assume this is to determine if head gasket needs replacement.

it is likely because I got engine...
Forum: LS400 08-18-14, 02:16 AM
Replies: 17
Views: 510
Posted By qha_vn
buying a working used one off ebay will not be...

buying a working used one off ebay will not be that bad
Forum: LS400 08-18-14, 02:03 AM
Replies: 32
Views: 957
Posted By qha_vn
Thanks Yamae, but in Vietnam they do not allow...

Thanks Yamae, but in Vietnam they do not allow engine replacement. what a law!

so if I am going to replace the engine, I would need to get it fully disassembled and reassemble on original block...
Forum: LS400 08-17-14, 08:48 PM
Replies: 32
Views: 957
Posted By qha_vn
I see, thanks Largefarva

I see, thanks Largefarva
Forum: LS400 08-17-14, 07:08 AM
Replies: 32
Views: 957
Posted By qha_vn
ah I see, this is similar to how they test air...

ah I see, this is similar to how they test air con system for leak. I guess cooling system test would leave coolant inside (not drain it) and apply (air?) pressure. then check for leak by naked eyes....
Forum: LS400 08-17-14, 07:02 AM
Replies: 17
Views: 510
Posted By qha_vn
I read somewhere MAF is very sensitive to certain...

I read somewhere MAF is very sensitive to certain cleaning spray. cant remember where. if it is back to normal (after long highway trip), then why worry
Forum: LS400 08-17-14, 06:40 AM
Replies: 32
Views: 957
Posted By qha_vn
thanks Tek5 and RA40, I am just wondering how...

thanks Tek5 and RA40, I am just wondering how pressure test can identify where the leak could be. I am sure that there is leak as I have to top up quite frequently.

Finding where the leak is...
Forum: LS400 08-15-14, 08:49 PM
Replies: 32
Views: 957
Posted By qha_vn
Coolant leak - cancer can not be cured?

I am with my 90 ls400 for 8 years, that same time I have had coolant leak, which cause a lot of problems resulted from engine overheating.

I did a lot of search, brought my car to service center,...
Forum: LS400 07-11-14, 07:25 PM
Replies: 52
Views: 3,239
Posted By qha_vn
I just purchased a pair of dorman uca off Amazone...

I just purchased a pair of dorman uca off Amazone for 345.60 shipped to US address, hand carried to VN. it says made in Taiwan. will get them in today and post some pix and comments.

Amazon.com:...
Showing results 1 to 25 of 272

 
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