steam and squeak - Alfa Romeo Forum
You are currently unregistered, register for more features.    
Thread Tools Search this Thread
(Post Link) post #1 of 2 Old 21-03-10 Thread Starter
Status: -
Join Date: Nov 2009
Location: United Kingdom
County: Tyne and Wear
Posts: 6
steam and squeak

i own a 2001 1.6 tspark thats been converted to gas (lpg) it constantly puffs out steam from the tailpipe even when hot have asked speacilist about this and they say its nothing but im not convinced it does this on petrol and when on lpg any ideas?

also on a morning squeels like a virgin have checked belts and have had all pulleys and idler changed

any advice would be great
Paulncle is offline  
Sponsored Links
Status: - Update
Posts: n/a
First, what's the temperature around there? My diesel puffs out some steam on cold mornings.

Second, was it an LPG specialist you asked? I'd advise you check with one of those first.
One risk (at least with the older LPG setups I have used) is with the membrane inside the LPG vaporizer (it's the round part where the LPG line goes in and the small lines feeding LPG into the cylinders go out from) gets perforated. The role of the vaporizer is to warm up the LPG before it's sent to the engine - and it does that by using the engine coolant (hence the rule not to switch to LPG before the engine has warmed up); the coolant is separated from the gas by that membrane, so it's quite obvious what happens if it gets punctured.
Here's a picture of the part:
If I remember correctly, there's even a schedule for replacing for it, I believe yearly.

Once you've ruled that one out, you should check your head gasket. Are you loosing coolant without any obvious leak? Do you have mayo inside the oil filler cap? Do you see gas bubbles or oil residue in the coolant expansion tank with the engine running? Is the oil level rising on the dipstick? You can perform all these tests yourself at zero cost.
If you have none of those symptoms, you should be OK, but it's worth having a "sniff test" (checking for presence of exhaust fumes in the expansion tank) and/or a cylinder pressure test - those require some tools, so it's best to have a mechanic performing them and interpreting the results.

Go Back   Alfa Romeo Forum > Supported Alfa Romeo Models > Technical & Vehicle Assistance > Alfa 147, 156 & GT

squeak , steam

Thread Tools Search this Thread
Show Printable Version Show Printable Version
Email this Page Email this Page
Search this Thread:

Advanced Search

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is Off
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

For the best viewing experience please update your browser to Google Chrome