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Is this mechanic ripping me off? #1072203 06/05/14 02:41 PM
Joined: Nov 2002
Posts: 7,892
stony-man Offline OP
Web Wheeler
Guys, I just got a call from the garage. I dropped my 2005 Montero off to have some coolant pipe on the back of the engine? (that's what they told me was causing my coolant leak. They told me that would be 500 bucks. I said do it. They called and said for another 400 they could do the timing belt and water pump. Since I didn't know for sure if it had been done prior, and I have 97k miles, I said go ahead. A week and a half later they call to tell me it is done. Over 100 bucks more than the estimate, AND they say the check engine light is on (wasn't before) and that the engine has a miss. Reason for miss is damage manifold. They had to take the manifold off to get to that coolant leak, and now my manifold is damaged? They want 1100 to replace the manifold!! I can't believe my luck. My engine did NOT have a miss when I dropped it off.

- '92 LWB V6 3.0 5 sp
33x10.5 BFG M/Ts & Bouncy seat
- '95 LWB V6 3.0 Auto (Scrapped)
- '05 Montero Limited. Bone stock <img src="/forums/images/graemlins/frown.gif" alt="" />
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Re: Is this mechanic ripping me off? [Re: stony-man] #1072204 06/05/14 03:40 PM
Joined: Jan 2014
Posts: 295
Malykaii Offline
Any way you can go see the damage and or get a pic? Like if its something, say like a rust issue, and they removed it and its now no good then thats kust bad luck and a fact of life. However if they I sed a hammer to remove it or something its on them.

88 Montero, StarQuest turbo, Kormex 5speed +tuff-pan w/phoenix f. stage2 clutch, 4in lift+33' tires, 4.875 lsd, short-throw shifter, Aisin hubs, SR big brakes, gen2 uca's, elantra alt, and so much more... 16g turbo w/hardpipes + 4.90 locking disk-brake axle soon (maybe lsd or aussie front??)
Re: Is this mechanic ripping me off? [Re: Malykaii] #1072205 06/05/14 09:37 PM
Joined: Jan 2001
Posts: 13,649
fasteddy Offline
Web Wheeler
Tell them you have a friend who is a cranky old suspicious guy who has taken apart a few hundred motors.

First, in exactly what manner is the manifold damaged/ruined now? IF it has a miss due to manifold damage, it can only be a vac leak on one runner of the manifold. The possible native leak sources are the head/lower manifold joint, and the lower/upper manifold joint. Both require a failure of the gasketed union. The possible third source is the changeover butterflies in the intake runners, most likely the end bushing on #1 cylinder, or #6, as leaks on the inter runner bushings only lead to more mani vac, and not atmo pressure. It's leaking enough to leak out one cylinder to the point of misfire around idle speed, and perhaps starts to fire at higher rpms and airflow in the runner, which reduces the effect of the leak relative to the increased overall flow in that runner.

It's possible you had an already worn outer bushing which got knocked out by the removal procedures. It's possible they dropped the intake and bent something.

All these manis are dry, except perhaps the lower, so there is not likely any corrosion damage.

One note. It's somewhat difficult to get the lower intake sealed to the head air and water tight. I used Indian Head or KopperKoat or similar copper bearing gasket sealer on the head around the ports, lower the same, and a coat on both sides of the gasket. Carefully set the lower intake in place when the gasket goo is tacky. Set the fasteners finger tight with moderate downward hand pressure on the mani. Set the torque wrench to half spec torque and torque all the fasteners. Rap the lower intake with a soft faced hammer or hammer and wood block to settle it into the vee evenly. retorque to 75percent of spec, and repeat the hammer blows. Repeat to final torque all steps. I use the same sealer on the upper/lower joint gasket.

I think their prices on the original work were fair, but I have a large question about the replacement manifold. The proce quoted is suspiciously close to the cost of a new upper intake with new butterfly shaft bushings...

Not responsible for advice not taken...
Re: Is this mechanic ripping me off? [Re: stony-man] #1072206 06/06/14 01:56 AM
Joined: Feb 2007
Posts: 402
Pete_D Offline
Poor workmanship - see if you have something like the BAR Bureau of Automotive Repairs in your state - most states do and they a God when it comes to this....in CA an estimate cannot be exceeded by a penny..... + with the now present condition of the vehicle you have a strong case.....especially if they have had complaints before....that's one way you can track a business before using them for the 1st time......I used to assist the BAR in CA from time to time.....they hold the power of life and death in the repair industry......

3=(PI.98 SWB 2.8TD-TH92.LWB 2.8TD)Red90 SWB.V6/bal,forged pistons,bore/95SR lkr&spr/2 bouncies/(ARB.w/Gorilla 12K winch/new stg gear/stg&sus/CJ side mirr/cust tow rec/01 SR wh w/Mich 265-70-16LTX/Rancho5000's/Candy Apple/rock crawlers/Hellas/KC's

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