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Discussion Starter · #1 ·
First, thanks for the good diagnosis (few posts earlier). Brought my 95lx to the garage, and a loss in compression in cylinder 4 was indeed present. The car has 210 000 km on it - not sure if it's a normal mileage for such a problem?

Their estimate for gasket, water pump, timing belt, hoses etc etc was 1500 $ CAD. Any comments or ways to make a strict minimal repair?

My second question is - (given I was already planning to buy another car this summer, and it seems I will have to speed it up): How long can I hold on without repairing the car? So far, no misfire, 4 cylinders run smoothly, minimal coolant consumption, oil not creamy. 100 miles, 1000.. more? Should i disconnect plug #4 to cut off the fuel explosions so as to limit the coolant/oil mix?

Sad day... i feel as if someone told me i'm about to lose a limb :(
 

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1500?? i've never had a HG issue fixed before. If it was just the HG it shouldn't be nearly that much. Its possible with the pump, cause that depends on labor and stuff, but still.. if you wanted to do JUST the HG, it shouldn't cost too much.

Phone around some man, that seems high to me. let them know its not an immediate problem either, they are probably trying to rake you over the coals thinking you NEED it done right away.

but like I say I've never had this work done on any of my cars before. I'm sure someone will chime in on this.
 

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#4 cylinder is fairly infamous for dropping the valve seat, which may also be the cause of zero compression in #4.

im not sure what the price in canadian comes out to in us dollars, so i cant weigh in on that.. however, they will have everything removed to do the head gasket that the water pump and everythinhg else is less than an hours work. call around and do it that way, i wouldnt ever take it to 1 shop without calling around.

make sure that the head is checked for cracks, since like i said, it is fairly common for the seats to crack and drop.
 

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i've seen that board before, and it's kinda scary seeing how many people have had them drop, plus the people on here (myself included) who have had it happen.

but basically, there are a few ways to end up with zero compression in a cylinder.

1. the piston is not moving or has a hole in it
2. the valves aren't even close to seating properly
3. really bad leak in the head gasket (which would leave you with oil/coolant mix almost indefinitely)
 

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Discussion Starter · #7 ·
My bad, sorry about that, should have kept one post...

How long can I drive though with a blown head gasket? Is coolant loss the only problem (which needs me to refill it periodically), or will things deteriorate over time?
 

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The aluminum head could warp or crack with the coolant hitting it so soon after combustion. Most likely a crack will develope at a weak spot like a valveseat. You may be alright, check it real good when you do get the head off though.
 

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Discussion Starter · #9 ·
Would disconnecting the spark plug help? I'm kind of trying to buy time to look for a car while using this one as a daily commuter (~10 miles per day)
 

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If coolant gets into the cylinders you'll break conrods, bend valves, crack pistons, even break the crankshaft.

If much coolant gets into the oil you may spin the main bearings on the crankshaft, and destroy the valvegear.

There are very limited circumstances in which you should continue to run an engine with the head gasket blowing, and most of those involve being chased by a homicidal maniac when it blows. i.e. when it's the car or you.

Find a wreckers with a shop attached, they might swap you in an engine for about $400 and $200 labor. Exchange rebuilt cylinder heads are usually around $400 up here, that's probably what that shop is going to use.
 

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This is the kind of crack I'm refering to. My old 1.9L 160,XXX miles.

Could have been the cause of the blown headgasket or the effect. :?: :?:
 

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Discussion Starter · #12 ·
Ah, now I feel enlightened. Well if I trace back the first symptoms, it has probably been about two months actually. Still driving and checking oil/coolant daily now, no change..oil still clear.

Driving around, and looking for a replacement car... I think I settled my choice on a 2004 Mazda 3 hatchback.... but it wont have the spirit of the 95 lx :(
 
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