Problem Reports
Isuzu Trooper
Report: Valve Train Noise Due to Varnish Build up
Isuzu Trooper Problem
Model Years Affected: 1992, 1993, 1994, 1995, 1996, 1997, 2002
Engines Affected: 3.2L V6, 3.5L V6
Average Mileage: 198,200 mi (147,000 mi - 275,000 mi)
A ticking noise may be noted from the engine valve train area. This is commonly caused by varnish build up in the hydraulic lash adjusters (HLA). Our technicians tell us that using Mobil 1 synthetic oil has been successful in cleaning the varnish deposits and quieting the lifter noise.
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Visitor, 1996 Isuzu Trooper, 3.2L V6, 177,000 mi
same basic "ticking" noise. my mechanic recommended and began using a treatment called BG at every oil change in addition to synthetic oil and it has greatly helped!
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Visitor, 2002 Isuzu Trooper, 3.5L V6, 212,000 mi
Problem valve tap no solution yet still trying.
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Visitor, 1994 Isuzu Trooper, 3.2L V6, 275,000 mi
have not found a solution
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Visitor, 1997 Isuzu Trooper, 3.2L V6, 147,000 mi
I have had a ticking noise in the left bank of the motor (passenger side) and thus far I have run a 5 min motor flush through it and changed the filter and drained it, then put 3 qts of oil, 1 qt of transmission fluid (because of the high detergents and low viscosity it can be a good cleaner), and a qt of extra detergents in the engine, ran it for a 100 or so miles, then drained it again and put 4 qts of Pennzoil 20W-50 oil and 1 1/2 qts of Lucas Oil Stabilizer (the really thick stuff). So far this has still not solved the ticking but I still have around 80 Psi oil pressure so I don't know what to do next. This problem remains unresolved.
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